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Centro-Matic ® Automatic Lubrication Systems
2
A complete hydraulically-
powered pumping unit for
centralized lubrication of
individual machines. Usually
installed on machinery such
as coal mining and earth
moving equipment which
utilize a hydraulic pressure
system. The frequency of
the lubrication cycle can be
set manually or by mechani-
cal or automatic controls.
Hydraulic
Lincoln Centro-Matic ® systems and components are made to match your application. Systems can service one ma-
chine, different zones on one machine or even several separate machines. Regardless of the application, the principle
of centralized lubrication remains the same: a central pump station automatically delivers lubricant through a single
supply line to the injectors. Each injector serves only one lubrication point and may be accurately adjusted to deliver
the precise amount of grease or oil required. Centro-Matic systems give you multiple advantages over other designs.
Systems are easy to understand, install and maintain. You realize savings right from the start because one lubricant
supply line means lower installation costs.
Centro-Matic systems dispense either grease or oil in measured quantities, unaffected by normal temperature or
viscosity changes. For large systems, Lincoln’s single-line design and powerful pumps mean injectors can be located
long distances from original refinery containers or bulk lubricant tanks.
Lubricant injectors are externally adjustable without special tools so each bearing can receive the correct amount of
lubricant. No under- or over-lubrication at individual points.
Each injector incorporates an indicator pin that gives visual confirmation the injector is operating correctly. When
necessary, troubleshooting is the simple process of checking indicator pins.
When injectors finally need service, the job is quick and easy. No need to remove supply line connections or disturb
adjacent injectors. Replacement can usually be done between lubrication cycles, so there’s almost no lubricant loss
or downtime.
You’re never far from a Lincoln authorized distributor. Qualified distributors offer design engineering, startup help and
training for your personnel in the use and maintenance of Centro-Matic systems. They’ll back you up with parts and
service for years after the sale.
Actuated automatically by
compressed air at various
pre-determined intervals.
An air-operated pump
delivers lubricant to the
injectors. When all injectors
have cycled, the pump
shuts
off automatically and vents
lubricant pressure. Available
with automatic, manual or
mechanical controls.
Used where compressed air
is not available, or electri-
cal operation is preferred.
Totally
enclosed motor supplies the
power requirements of the
pumping mechanism. Time
control is adjustable to
provide predetermined
frequency of lubrication.
Designed for smaller,
individual machines, manual
systems provide a low-cost,
efficient method of distribut-
ing lubricant to the injectors.
Cycling a complete bank of
injectors takes only a few
seconds. In manually
operated systems, the
lubricant pump is hand-
operated and the machine
operator performs the
lubrication intervals.
Simplicity
Powerful Pumping Unit
External Adjustment
Visual Indicators
Ease of Service
Parts and Service
Air-Operated Electric
Manual
Introduction
Centro-Matic ® Automatic Lubrication Systems
3
Introduction
Each Lincoln Centro-Matic injector can be manually adjusted to discharge the precise amount of lubricant each
bearing needs. Injectors are mounted singly at each bearing, or grouped in a manifold with feedlines supplying
lubricant to the bearings. In each case, injectors are supplied with lubricant under pump pressure through a single
supply line. Two injector types are available: a top adjusting and a side adjusting. Both types can be used in the
same circuit; their selection is made on the basis of bearing lubricant requirements.
Stage 1—The discharge chamber is filled with lubricant from the previous cycle. Under pressure of incoming lubri-
cant, lubricant is directed to both sides of the measuring piston through the slide valve. The port to the bearing is
closed in this position which prevents the measuring piston from moving. The indicator stem will be at its innermost
position, having pulled away from the stop in the adjusting screw.
Stage 2—Pressure has built up and has moved the slide valve in position shown. This closes the flow passage to the
upper side of the piston (larger diameter) while simultaneously opening the port to allow lubricant to flow out of the
injector to the bearing. Pressure from the supply line continues to apply pressure to the lower portion of the measur-
ing piston, which causes a pressure difference across the measuring piston thus allowing it to move upward.
Stage 3—Movement of the measuring piston is shown caused by the pressure on the lower side of the measuring
piston dispensing lubricant out to the bearing. The indicator stem will move up against the stop in the adjusting screw
when all lubricant has been delivered to the bearing.
Stage 4—As the pressure in the supply line is vented down to 1,000 psi, the slide valve moves back to its rest posi-
tion. Flow of lubricant to the bearing is closed and simultaneously allows lubricant to flow to the upper (larger diam-
eter) of the piston. The displacement of fluid on the lower side of the measuring chamber is also allowed by the slide
valve to flow to the upper side of the piston. The injector is recharged by the residual pressure in the supply line to the
upper portion of the measuring chamber.
Basic Operating Principles of Centro-Matic ® Injectors
SL-V, SL-V XL
Stage 1 Stage 2 Stage 3 Stage 4
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Centro-Matic ® Automatic Lubrication Systems
4
Introduction
Injector
Piston
Injector
Piston
Measuring
Chamber
Discharge
Chamber
Slide
Valve
Slide
Valve
Indicator
Stem
Discharge
Chamber
Outlet
Port
Lubricant
Supply Inlet
Passage
Passage
Stage 1 Stage 2 Stage 3 Stage 4
Stage 1—The injector piston is in its normal, or rest position. The discharge chamber is filled with lubricant from
the previous cycle. Under the pressure of incoming lubricant, the slide valve is about to open the passage leading
to the piston.
Stage 1—Incoming lubricant, under pressure from the
supply line, moves the injector piston forward. The pis-
ton forces a pre-charge of lubricant from the discharge
chamber through the outlet check valve to the feed line.
SL-1, -11, -41, -44
SL-32, -33, -42, -43
Stage 2—When the slide valve uncovers the passage, lubricant is admitted to the top of the piston, forcing the
piston down. The piston forces lubricant from the discharge chamber through the outlet port to the bearing.
Stage 2—When the system is vented (pressure relieved),
the piston returns to the rest position, transferring lubricant
from the measuring chamber to the discharge chamber.
Applications—When it comes to eliminating costly,
manual point-by-point lubrication, Centro-Matic systems
have proven to be the right solution for many industries
and applications. Examples include:
Stage 3—As the piston completes its stroke, it pushes the slide valve past the passage, cutting off further
admission of lubricant to the passage. Piston and slide valve remain in this position until lubricant pressure
in the supply line is vented (relieved) at the pump.
Stage 4—After pressure is relieved, the compressed spring moves the slide valve to the closed position. This
opens the port from the measuring chamber and permits the lubricant to be transferred from the top of the piston
to the discharge chamber.
• Paper Converting
• Plastic Processing
• Wood Processing
• Printing
• Packaging
• Textile
• Food & Beverage
• Metalworking
• Material Handling
Equipment
Outlet
Check
Valve
Measuring
Chamber
Discharge
Chamber
Adjusting
Nut
Indicator
Stem
Injector
Piston
Lubricant
Supply
Inlet
Lock
Nut
Stage 1 Stage 2
Centro-Matic ® Automatic Lubrication Systems
5
Grease Injectors
Series SL-33
Notes:
1. Injectors, except replacement injectors for manifold, include compression nut and ferrule for tubing — 1/8" O.D. as standard.
Other outlet connectors for feed line optional.
2. Injectors with manifolds include two mounting clips and screws.
3. Injectors have Nitrile packings (200°F max. / 93°C). Check packing compatibility with synthetic lubricants.
4. Output with indicator cap hand-tightened is .001 cu. in. Maximum output is achieved with two turns at .001 cu. in./turn.
• For single-line, high-pressure central lubrication system.
• For dispensing petroleum-based lubricants with a viscosity up to NLGI No. 2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of Injectors SL-32, SL-V, SL-V XL, SL-1 and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Available in stainless steel SAE 304, for application where environmental conditions are hazardous to carbon steel
or in industries preferring stainless steel.
Series
Output Operating Pressure
Min. Max. Min. Max. Typical Vent
SL-33
.001 cu. in.
.016 cc
.003 cu. in.
.049 cc
1200 psig
83 bar
3500 psig
241 bar
1500 psig
103 bar
200 psig
14 bar
Specifications:
Model
Number
of
Outlets
Connections Dimensions
Carbon Steel
Stainless Steel
(304)
Manifold Inlet Injector Outlet
A
in.
A
mm
B
in.
B
mm
83309-1 83715-1 1
⅛" NPTF (F)
⅛" O.D. Tube
1⅛ 29 1⅝ 41
83309-2 83715-2 2 1⅞ 48 2⅜ 60
83309-3 83715-3 3 2⅝ 67 3⅛ 79
83309-4 83715-4 4 3⅜ 86 3⅞ 98
83309-5 — 5 4⅛ 105 4⅝ 117
83309-6 83715-6 6 4⅞ 124 5⅜ 137
— 83715-7 7 5⅝ 143 6⅛ 156
83900 83900-9 1 ⅛" NPTF (M) Single Injector/No Manifold
83314 83314-9 — — Single Replacement Injector
Centro-Matic ® Automatic Lubrication Systems
6
Series SL-32
Grease Injectors
• For single-line, high-pressure central lubrication system.
• For dispensing petroleum-based lubricants with a viscosity up to NLGI No.2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-33, SL-V, SL-V XL, SL-1 and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Available in stainless steel SAE 304, for application where environmental conditions are hazardous to carbon steel
or in industries preferring stainless steel.
Series
Output Operating Pressure
Min. Max. Min. Max. Typical Vent
SL-32
.001 cu. in.
.016 cc
.008 cu. in.
.131 cc
1200 psig
83 bar
3500 psig
241 bar
1500 psig
103 bar
200 psig
14 bar
Specifications:
Notes:
1. Injectors, except replacement injectors for manifold, include compression nut and ferrule for tubing — 1/8" O.D. as standard.
Other outlet connectors for feed line optional.
2. Injectors with manifolds include two mounting clips and screws.
3. Injectors have Nitrile packings (200°F max. / 93°C). Check packing compatibility with synthetic lubricants.
4. Output with indicator cap hand-tightened is .001 cu. in. Maximum output is achieved with five turns at .0014 cu. in./turn.
Model
Number of
Outlets
Connections Dimensions
Carbon Steel
Stainless Steel
(304)
Manifold Inlet
Injector
Outlet
A
in.
A
mm
B
in.
B
mm
83336-1 83724-1 1
¼" NPTF (F)
⅛" O.D. Tube
1¼ 32 1¾ 44
83336-2 83724-2 2 2 51 2½ 63
83336-3 83724-3 3 2¾ 70 3¼ 82
83336-4 83724-4 4 3½ 89 4 101
83338 — 1 ¼" NPTF (M) Single Injector/No Manifold
83337 83337-9 — — Single Replacement Injector
Centro-Matic ® Automatic Lubrication Systems
7
Series SL-32HV High Venting - NEW
• For single-line, high-pressure central lubrication system.
• For dispensing petroleum-based lubricants with a viscosity up to NLGI No.2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-33, SL-V, SL-V XL, SL-1 and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
Series
Output Operating Pressure
Min. Max. Min. Max. Typical Vent
SL-32HV
.001 cu. in.
.016 cc
.008 cu. in.
.131 cc
1200 psig
83 bar
3500 psig
241 bar
1500 psig
103 bar
400 psig
28 bar
Specifications:
Notes:
1. Injectors, except replacement injectors for manifold, include compression nut and ferrule for tubing — 1/8" O.D. as standard.
Other outlet connectors for feed line optional.
2. Injectors with manifolds include two mounting clips and screws.
3. Injectors have Nitrile packings (200°F max. / 93°C). Check packing compatibility with synthetic lubricants.
4. Output with indicator cap hand-tightened is .001 cu. in. Maximum output is achieved with five turns at .0014 cu. in./turn.
Model
Number of
Outlets
Connections Dimensions
Carbon Steel Manifold Inlet Injector Outlet
A
in.
A
mm
B
in.
B
mm
83336HV-1 1
¼" NPTF (F)
⅛" O.D. Tube
1¼ 32 1¾ 44
83336HV-2 2 2 51 2½ 63
83336HV-3 3 2¾ 70 3¼ 82
83336HV-4 4 3½ 89 4 101
83336HV-5 5 4¼ 108 4¾ 120
83336HV-6 6 5 127 5½ 139
83336HV-7 7 5¾ 146 6¼ 158
83336HV-8 8 6½ 165 7 177
83336HV-9 9 7¼ 184 7¾ 196
83336HV-10 10 8 203 8½ 215
83338HV 1 ¼" NPTF (M) Single Injector/No Manifold
83337HV — — Single Replacement Injector
Grease Injectors
Centro-Matic ® Automatic Lubrication Systems
8
Grease Injectors
Series SL-V
Notes:
1. Injector manifolds have 13⁄32" (10.3 mm) dia. mounting holes for 3⁄8" bolt.
2. Injectors have polyurethane seals Check compatibility with synthetic lubricants.
3. Injector rated for 180°F (80°C) max. ambient temperature, depending on lubricant used.
4. Injectors include fitting for filling feedlines via alternate outlet port.
5. Output with adjustment screw hand-tightened is .015 cu. in. Maximum output is achieved with five turns at .014 cu. in./turn.
Series Material
Output Operating Pressure Connections
Min. Max. Min. Max. Typical Vent
Manifold
Inlet
Injector
Outlet
SL-V
Carbon
Steel
0.015 cu. in.
0.25 cc
0.08 cu. in.
1.31 cc
1850 psig
128 bar
6000 psig
413 bar
2500 psig
172 bar
1000 psig
60 bar
⅜" NPTF (F) ⅛" NPTF (F)
Specifications:
• For single-line, high-pressure central lubrication system.
• For dispensing lubricants compatible with polyurethane seals up to NLGI No. 2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-32, SL-33, SL-1, SL-V XL and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Each SL-V injector includes a clear polycarbonate protective cap.
1¼"
(32mm)
13/32" (10.3mm)
Mounting
Holes
⅜" NPTF
(both ends)
⅛"
NPTF
8¾"
(222mm)
⅜"
(19mm)
2⅛"
(54mm)
1½"
(38mm)
1⅜"
(35mm)
A
B
Model Type Number of Outlets
Dimension
A
in.
A
mm
B
in.
B
mm
85770-1 One Injector Manifold 1
Single Mounting Hole
2½ 63
85770-2 Two Injector Manifold 2 3 76
85770-3 Three Injector Manifold 3 1¼ 32 4¼₄ 108
85770-4 Four Injector Manifold 4 2 63 5½ 140
85770-5 Five Injector Manifold 5 3¾ 95 6¾ 171
85770-6 Six Injector Manifold 6 5 127 8 203
85771 Replacement for manifold injectors
85772 Single injector/no manifold (⅜" NPTF(M) inlet)
Centro-Matic ® Automatic Lubrication Systems
9
1¼"
(32mm)
13/32" (10.3mm)
Mounting Holes
⅜" NPTF
(both ends)
⅛"
NPTF
11 3 ⁄ 16 "
(284mm)
¾"
(19mm)
2⅛ "
(54mm)
1½"
(38mm) 1⅜"
(35mm)
A
B
Series Material
Output Operating Pressure Connections
Min. Max. Min. Max. Typical Vent Manifold Inlet Injector Outlet
SL-V XL
Carbon
Steel
0.015 cu. in.
0.25 cc
0.305 cu. in.
5.00 cc
1850 psig
128 bar
6000 psig
413 bar
2500 psig
172 bar
1000 psig
69 bar
⅜" NPTF (F) ⅛" NPTF (F)
Specifications:
Grease Injectors
Series SL-V XL
High-Output
• For single-line, high-pressure central lubrication system.
• For dispensing lubricants compatible with polyurethane seals up to NLGI No. 2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-32, SL-33, SL-1, SL-V and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Two SL-V XL injectors are required to replace one SL-11 injector.
• Each SL-V XL injector includes a clear polycarbonate protective cap.
Spectrum Adjustment Sleeves:
Model Number
(10/bag only)
Output
in³ (cc)
Ratio from
Maximum Output
Ratio from
Minimum Output
Sleeve
Color
N/A 0.015 (0.25) 0.05 1 NA
85785-1 0.030 (0.50) 0.10 2 red
85785-2 0.045 (0.75) 0.15 3 silver
85785-3 0.060 (1.00) 0.20 4 gold
85785-4 0.075 (1.25) 0.25 5 green
85785-5 0.113 (1.88) 0.37 7.5 black
85785-6 0.150 (2.50) 0.50 10 purple
85785-7 0.188 (3.13) 0.62 12.5 blue
85785-8 0.225 (3.75) 0.75 15 orange
85785-9 0.263 (4.38) 0.87 17.5 brown
85785-10 0.300 (5.00) 1.00 20 yellow
Notes:
1. Injector manifolds have 13/32"
(10.3 mm) dia.mounting holes
for 3/8" bolt.
2. Injectors have polyurethane seals
Check compatibility with synthetic
lubricants.
3. Injector rated for 180°F (80°C) max.
ambient temperature, depending on
lubricant used.
4. Injectors include fitting for filling
feedlines via alternate outlet port.
5. Output with adjustment screw
handtightened is .015 cu. in.
Maximum output is achieved with
20½ turns at .014 cu. in./turn.
Model Type
Number of
Outlets
A
in.
A
mm
B
in.
B
mm
85780-1 One Injector Manifold 1
Single Mounting Hole
2½ 63
85780-2 Two Injector Manifold 2 3 76
85780-3 Three Injector Manifold 3 1¼ 32 4¼ 108
85780-4 Four Injector Manifold 4 2½ 63 5½ 140
85780-5 Five Injector Manifold 5 3¾ 95 6¾ 171
85780-6 Six Injector Manifold 6 5 127 8 203
85781 Replacement for manifold injectors
85782 Single injector/no manifold (⅜" NPTF(M) inlet)
Centro-Matic ® Automatic Lubrication Systems
10
Grease Injectors
Series SL-1
• For single-line, high-pressure central lubrication system.
• For dispensing lubricants compatible with flouroelastomer packings and viscosity up to NLGI No. 2
(refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-32, SL-33, SL-V, SL-V XL and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Available in stainless steel SAE 316, for application where environmental conditions are hazardous to carbon steel or
in industries preferring stainless steel.
Notes:
1. Injector manifolds have 13/32" (10.3mm) dia.mounting holes for 3/8" bolt.
2. Injectors have flouroelastomer packings. Check compatibility with synthetic lubricants.
3. Injector rated for 350°F (176°C) max. ambient temperature, depending on lubricant used.
4. Injectors include fitting for filling feedlines via alternate outlet port.
5. Output with adjustment screw hand-tightened is .009 cu. in. Maximum output is achieved with eight turns at .009 cu. in./turn.
2
A complete hydraulically-
powered pumping unit for
centralized lubrication of
individual machines. Usually
installed on machinery such
as coal mining and earth
moving equipment which
utilize a hydraulic pressure
system. The frequency of
the lubrication cycle can be
set manually or by mechani-
cal or automatic controls.
Hydraulic
Lincoln Centro-Matic ® systems and components are made to match your application. Systems can service one ma-
chine, different zones on one machine or even several separate machines. Regardless of the application, the principle
of centralized lubrication remains the same: a central pump station automatically delivers lubricant through a single
supply line to the injectors. Each injector serves only one lubrication point and may be accurately adjusted to deliver
the precise amount of grease or oil required. Centro-Matic systems give you multiple advantages over other designs.
Systems are easy to understand, install and maintain. You realize savings right from the start because one lubricant
supply line means lower installation costs.
Centro-Matic systems dispense either grease or oil in measured quantities, unaffected by normal temperature or
viscosity changes. For large systems, Lincoln’s single-line design and powerful pumps mean injectors can be located
long distances from original refinery containers or bulk lubricant tanks.
Lubricant injectors are externally adjustable without special tools so each bearing can receive the correct amount of
lubricant. No under- or over-lubrication at individual points.
Each injector incorporates an indicator pin that gives visual confirmation the injector is operating correctly. When
necessary, troubleshooting is the simple process of checking indicator pins.
When injectors finally need service, the job is quick and easy. No need to remove supply line connections or disturb
adjacent injectors. Replacement can usually be done between lubrication cycles, so there’s almost no lubricant loss
or downtime.
You’re never far from a Lincoln authorized distributor. Qualified distributors offer design engineering, startup help and
training for your personnel in the use and maintenance of Centro-Matic systems. They’ll back you up with parts and
service for years after the sale.
Actuated automatically by
compressed air at various
pre-determined intervals.
An air-operated pump
delivers lubricant to the
injectors. When all injectors
have cycled, the pump
shuts
off automatically and vents
lubricant pressure. Available
with automatic, manual or
mechanical controls.
Used where compressed air
is not available, or electri-
cal operation is preferred.
Totally
enclosed motor supplies the
power requirements of the
pumping mechanism. Time
control is adjustable to
provide predetermined
frequency of lubrication.
Designed for smaller,
individual machines, manual
systems provide a low-cost,
efficient method of distribut-
ing lubricant to the injectors.
Cycling a complete bank of
injectors takes only a few
seconds. In manually
operated systems, the
lubricant pump is hand-
operated and the machine
operator performs the
lubrication intervals.
Simplicity
Powerful Pumping Unit
External Adjustment
Visual Indicators
Ease of Service
Parts and Service
Air-Operated Electric
Manual
Introduction
Centro-Matic ® Automatic Lubrication Systems
3
Introduction
Each Lincoln Centro-Matic injector can be manually adjusted to discharge the precise amount of lubricant each
bearing needs. Injectors are mounted singly at each bearing, or grouped in a manifold with feedlines supplying
lubricant to the bearings. In each case, injectors are supplied with lubricant under pump pressure through a single
supply line. Two injector types are available: a top adjusting and a side adjusting. Both types can be used in the
same circuit; their selection is made on the basis of bearing lubricant requirements.
Stage 1—The discharge chamber is filled with lubricant from the previous cycle. Under pressure of incoming lubri-
cant, lubricant is directed to both sides of the measuring piston through the slide valve. The port to the bearing is
closed in this position which prevents the measuring piston from moving. The indicator stem will be at its innermost
position, having pulled away from the stop in the adjusting screw.
Stage 2—Pressure has built up and has moved the slide valve in position shown. This closes the flow passage to the
upper side of the piston (larger diameter) while simultaneously opening the port to allow lubricant to flow out of the
injector to the bearing. Pressure from the supply line continues to apply pressure to the lower portion of the measur-
ing piston, which causes a pressure difference across the measuring piston thus allowing it to move upward.
Stage 3—Movement of the measuring piston is shown caused by the pressure on the lower side of the measuring
piston dispensing lubricant out to the bearing. The indicator stem will move up against the stop in the adjusting screw
when all lubricant has been delivered to the bearing.
Stage 4—As the pressure in the supply line is vented down to 1,000 psi, the slide valve moves back to its rest posi-
tion. Flow of lubricant to the bearing is closed and simultaneously allows lubricant to flow to the upper (larger diam-
eter) of the piston. The displacement of fluid on the lower side of the measuring chamber is also allowed by the slide
valve to flow to the upper side of the piston. The injector is recharged by the residual pressure in the supply line to the
upper portion of the measuring chamber.
Basic Operating Principles of Centro-Matic ® Injectors
SL-V, SL-V XL
Stage 1 Stage 2 Stage 3 Stage 4
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Discharge
Chamber
Measuring
Piston
Slide
Valve
Indicator
Stem
Centro-Matic ® Automatic Lubrication Systems
4
Introduction
Injector
Piston
Injector
Piston
Measuring
Chamber
Discharge
Chamber
Slide
Valve
Slide
Valve
Indicator
Stem
Discharge
Chamber
Outlet
Port
Lubricant
Supply Inlet
Passage
Passage
Stage 1 Stage 2 Stage 3 Stage 4
Stage 1—The injector piston is in its normal, or rest position. The discharge chamber is filled with lubricant from
the previous cycle. Under the pressure of incoming lubricant, the slide valve is about to open the passage leading
to the piston.
Stage 1—Incoming lubricant, under pressure from the
supply line, moves the injector piston forward. The pis-
ton forces a pre-charge of lubricant from the discharge
chamber through the outlet check valve to the feed line.
SL-1, -11, -41, -44
SL-32, -33, -42, -43
Stage 2—When the slide valve uncovers the passage, lubricant is admitted to the top of the piston, forcing the
piston down. The piston forces lubricant from the discharge chamber through the outlet port to the bearing.
Stage 2—When the system is vented (pressure relieved),
the piston returns to the rest position, transferring lubricant
from the measuring chamber to the discharge chamber.
Applications—When it comes to eliminating costly,
manual point-by-point lubrication, Centro-Matic systems
have proven to be the right solution for many industries
and applications. Examples include:
Stage 3—As the piston completes its stroke, it pushes the slide valve past the passage, cutting off further
admission of lubricant to the passage. Piston and slide valve remain in this position until lubricant pressure
in the supply line is vented (relieved) at the pump.
Stage 4—After pressure is relieved, the compressed spring moves the slide valve to the closed position. This
opens the port from the measuring chamber and permits the lubricant to be transferred from the top of the piston
to the discharge chamber.
• Paper Converting
• Plastic Processing
• Wood Processing
• Printing
• Packaging
• Textile
• Food & Beverage
• Metalworking
• Material Handling
Equipment
Outlet
Check
Valve
Measuring
Chamber
Discharge
Chamber
Adjusting
Nut
Indicator
Stem
Injector
Piston
Lubricant
Supply
Inlet
Lock
Nut
Stage 1 Stage 2
Centro-Matic ® Automatic Lubrication Systems
5
Grease Injectors
Series SL-33
Notes:
1. Injectors, except replacement injectors for manifold, include compression nut and ferrule for tubing — 1/8" O.D. as standard.
Other outlet connectors for feed line optional.
2. Injectors with manifolds include two mounting clips and screws.
3. Injectors have Nitrile packings (200°F max. / 93°C). Check packing compatibility with synthetic lubricants.
4. Output with indicator cap hand-tightened is .001 cu. in. Maximum output is achieved with two turns at .001 cu. in./turn.
• For single-line, high-pressure central lubrication system.
• For dispensing petroleum-based lubricants with a viscosity up to NLGI No. 2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of Injectors SL-32, SL-V, SL-V XL, SL-1 and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Available in stainless steel SAE 304, for application where environmental conditions are hazardous to carbon steel
or in industries preferring stainless steel.
Series
Output Operating Pressure
Min. Max. Min. Max. Typical Vent
SL-33
.001 cu. in.
.016 cc
.003 cu. in.
.049 cc
1200 psig
83 bar
3500 psig
241 bar
1500 psig
103 bar
200 psig
14 bar
Specifications:
Model
Number
of
Outlets
Connections Dimensions
Carbon Steel
Stainless Steel
(304)
Manifold Inlet Injector Outlet
A
in.
A
mm
B
in.
B
mm
83309-1 83715-1 1
⅛" NPTF (F)
⅛" O.D. Tube
1⅛ 29 1⅝ 41
83309-2 83715-2 2 1⅞ 48 2⅜ 60
83309-3 83715-3 3 2⅝ 67 3⅛ 79
83309-4 83715-4 4 3⅜ 86 3⅞ 98
83309-5 — 5 4⅛ 105 4⅝ 117
83309-6 83715-6 6 4⅞ 124 5⅜ 137
— 83715-7 7 5⅝ 143 6⅛ 156
83900 83900-9 1 ⅛" NPTF (M) Single Injector/No Manifold
83314 83314-9 — — Single Replacement Injector
Centro-Matic ® Automatic Lubrication Systems
6
Series SL-32
Grease Injectors
• For single-line, high-pressure central lubrication system.
• For dispensing petroleum-based lubricants with a viscosity up to NLGI No.2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-33, SL-V, SL-V XL, SL-1 and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Available in stainless steel SAE 304, for application where environmental conditions are hazardous to carbon steel
or in industries preferring stainless steel.
Series
Output Operating Pressure
Min. Max. Min. Max. Typical Vent
SL-32
.001 cu. in.
.016 cc
.008 cu. in.
.131 cc
1200 psig
83 bar
3500 psig
241 bar
1500 psig
103 bar
200 psig
14 bar
Specifications:
Notes:
1. Injectors, except replacement injectors for manifold, include compression nut and ferrule for tubing — 1/8" O.D. as standard.
Other outlet connectors for feed line optional.
2. Injectors with manifolds include two mounting clips and screws.
3. Injectors have Nitrile packings (200°F max. / 93°C). Check packing compatibility with synthetic lubricants.
4. Output with indicator cap hand-tightened is .001 cu. in. Maximum output is achieved with five turns at .0014 cu. in./turn.
Model
Number of
Outlets
Connections Dimensions
Carbon Steel
Stainless Steel
(304)
Manifold Inlet
Injector
Outlet
A
in.
A
mm
B
in.
B
mm
83336-1 83724-1 1
¼" NPTF (F)
⅛" O.D. Tube
1¼ 32 1¾ 44
83336-2 83724-2 2 2 51 2½ 63
83336-3 83724-3 3 2¾ 70 3¼ 82
83336-4 83724-4 4 3½ 89 4 101
83338 — 1 ¼" NPTF (M) Single Injector/No Manifold
83337 83337-9 — — Single Replacement Injector
Centro-Matic ® Automatic Lubrication Systems
7
Series SL-32HV High Venting - NEW
• For single-line, high-pressure central lubrication system.
• For dispensing petroleum-based lubricants with a viscosity up to NLGI No.2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-33, SL-V, SL-V XL, SL-1 and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
Series
Output Operating Pressure
Min. Max. Min. Max. Typical Vent
SL-32HV
.001 cu. in.
.016 cc
.008 cu. in.
.131 cc
1200 psig
83 bar
3500 psig
241 bar
1500 psig
103 bar
400 psig
28 bar
Specifications:
Notes:
1. Injectors, except replacement injectors for manifold, include compression nut and ferrule for tubing — 1/8" O.D. as standard.
Other outlet connectors for feed line optional.
2. Injectors with manifolds include two mounting clips and screws.
3. Injectors have Nitrile packings (200°F max. / 93°C). Check packing compatibility with synthetic lubricants.
4. Output with indicator cap hand-tightened is .001 cu. in. Maximum output is achieved with five turns at .0014 cu. in./turn.
Model
Number of
Outlets
Connections Dimensions
Carbon Steel Manifold Inlet Injector Outlet
A
in.
A
mm
B
in.
B
mm
83336HV-1 1
¼" NPTF (F)
⅛" O.D. Tube
1¼ 32 1¾ 44
83336HV-2 2 2 51 2½ 63
83336HV-3 3 2¾ 70 3¼ 82
83336HV-4 4 3½ 89 4 101
83336HV-5 5 4¼ 108 4¾ 120
83336HV-6 6 5 127 5½ 139
83336HV-7 7 5¾ 146 6¼ 158
83336HV-8 8 6½ 165 7 177
83336HV-9 9 7¼ 184 7¾ 196
83336HV-10 10 8 203 8½ 215
83338HV 1 ¼" NPTF (M) Single Injector/No Manifold
83337HV — — Single Replacement Injector
Grease Injectors
Centro-Matic ® Automatic Lubrication Systems
8
Grease Injectors
Series SL-V
Notes:
1. Injector manifolds have 13⁄32" (10.3 mm) dia. mounting holes for 3⁄8" bolt.
2. Injectors have polyurethane seals Check compatibility with synthetic lubricants.
3. Injector rated for 180°F (80°C) max. ambient temperature, depending on lubricant used.
4. Injectors include fitting for filling feedlines via alternate outlet port.
5. Output with adjustment screw hand-tightened is .015 cu. in. Maximum output is achieved with five turns at .014 cu. in./turn.
Series Material
Output Operating Pressure Connections
Min. Max. Min. Max. Typical Vent
Manifold
Inlet
Injector
Outlet
SL-V
Carbon
Steel
0.015 cu. in.
0.25 cc
0.08 cu. in.
1.31 cc
1850 psig
128 bar
6000 psig
413 bar
2500 psig
172 bar
1000 psig
60 bar
⅜" NPTF (F) ⅛" NPTF (F)
Specifications:
• For single-line, high-pressure central lubrication system.
• For dispensing lubricants compatible with polyurethane seals up to NLGI No. 2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-32, SL-33, SL-1, SL-V XL and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Each SL-V injector includes a clear polycarbonate protective cap.
1¼"
(32mm)
13/32" (10.3mm)
Mounting
Holes
⅜" NPTF
(both ends)
⅛"
NPTF
8¾"
(222mm)
⅜"
(19mm)
2⅛"
(54mm)
1½"
(38mm)
1⅜"
(35mm)
A
B
Model Type Number of Outlets
Dimension
A
in.
A
mm
B
in.
B
mm
85770-1 One Injector Manifold 1
Single Mounting Hole
2½ 63
85770-2 Two Injector Manifold 2 3 76
85770-3 Three Injector Manifold 3 1¼ 32 4¼₄ 108
85770-4 Four Injector Manifold 4 2 63 5½ 140
85770-5 Five Injector Manifold 5 3¾ 95 6¾ 171
85770-6 Six Injector Manifold 6 5 127 8 203
85771 Replacement for manifold injectors
85772 Single injector/no manifold (⅜" NPTF(M) inlet)
Centro-Matic ® Automatic Lubrication Systems
9
1¼"
(32mm)
13/32" (10.3mm)
Mounting Holes
⅜" NPTF
(both ends)
⅛"
NPTF
11 3 ⁄ 16 "
(284mm)
¾"
(19mm)
2⅛ "
(54mm)
1½"
(38mm) 1⅜"
(35mm)
A
B
Series Material
Output Operating Pressure Connections
Min. Max. Min. Max. Typical Vent Manifold Inlet Injector Outlet
SL-V XL
Carbon
Steel
0.015 cu. in.
0.25 cc
0.305 cu. in.
5.00 cc
1850 psig
128 bar
6000 psig
413 bar
2500 psig
172 bar
1000 psig
69 bar
⅜" NPTF (F) ⅛" NPTF (F)
Specifications:
Grease Injectors
Series SL-V XL
High-Output
• For single-line, high-pressure central lubrication system.
• For dispensing lubricants compatible with polyurethane seals up to NLGI No. 2 (refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-32, SL-33, SL-1, SL-V and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Two SL-V XL injectors are required to replace one SL-11 injector.
• Each SL-V XL injector includes a clear polycarbonate protective cap.
Spectrum Adjustment Sleeves:
Model Number
(10/bag only)
Output
in³ (cc)
Ratio from
Maximum Output
Ratio from
Minimum Output
Sleeve
Color
N/A 0.015 (0.25) 0.05 1 NA
85785-1 0.030 (0.50) 0.10 2 red
85785-2 0.045 (0.75) 0.15 3 silver
85785-3 0.060 (1.00) 0.20 4 gold
85785-4 0.075 (1.25) 0.25 5 green
85785-5 0.113 (1.88) 0.37 7.5 black
85785-6 0.150 (2.50) 0.50 10 purple
85785-7 0.188 (3.13) 0.62 12.5 blue
85785-8 0.225 (3.75) 0.75 15 orange
85785-9 0.263 (4.38) 0.87 17.5 brown
85785-10 0.300 (5.00) 1.00 20 yellow
Notes:
1. Injector manifolds have 13/32"
(10.3 mm) dia.mounting holes
for 3/8" bolt.
2. Injectors have polyurethane seals
Check compatibility with synthetic
lubricants.
3. Injector rated for 180°F (80°C) max.
ambient temperature, depending on
lubricant used.
4. Injectors include fitting for filling
feedlines via alternate outlet port.
5. Output with adjustment screw
handtightened is .015 cu. in.
Maximum output is achieved with
20½ turns at .014 cu. in./turn.
Model Type
Number of
Outlets
A
in.
A
mm
B
in.
B
mm
85780-1 One Injector Manifold 1
Single Mounting Hole
2½ 63
85780-2 Two Injector Manifold 2 3 76
85780-3 Three Injector Manifold 3 1¼ 32 4¼ 108
85780-4 Four Injector Manifold 4 2½ 63 5½ 140

85780-5 Five Injector Manifold 5 3¾ 95 6¾ 171
85780-6 Six Injector Manifold 6 5 127 8 203
85781 Replacement for manifold injectors
85782 Single injector/no manifold (⅜" NPTF(M) inlet)
Centro-Matic ® Automatic Lubrication Systems
10
Grease Injectors
Series SL-1
• For single-line, high-pressure central lubrication system.
• For dispensing lubricants compatible with flouroelastomer packings and viscosity up to NLGI No. 2
(refer to Design Guide).
• Output is externally adjustable.
• Indicator stem permits visual check of injector operation.
• May be combined in a circuit of injectors SL-32, SL-33, SL-V, SL-V XL and/or SL-11.
• Individual injectors can be easily removed for inspection or replacement.
• Available in stainless steel SAE 316, for application where environmental conditions are hazardous to carbon steel or
in industries preferring stainless steel.
Notes:
1. Injector manifolds have 13/32" (10.3mm) dia.mounting holes for 3/8" bolt.
2. Injectors have flouroelastomer packings. Check compatibility with synthetic lubricants.
3. Injector rated for 350°F (176°C) max. ambient temperature, depending on lubricant used.
4. Injectors include fitting for filling feedlines via alternate outlet port.
5. Output with adjustment screw hand-tightened is .009 cu. in. Maximum output is achieved with eight turns at .009 cu. in./turn.
原创作者:福州市喜灵机械设备有限公司


