真空负压安全阀（TFA72W）简介
TFA72W适用于温度≤200℃的负压系统，当容器内负压超过允许值时，该阀自动开启，吸入空气；当容器内负压达到允许值时，该阀自动关闭，从而保护设备及系统。安装在正常非负压系统，当容器和系统的放散阀未打开，产生负压时，此阀自动开启。
tive pressure system with temperature 200 . When the netative pressure in the container exceeds the allowable value, the valve will open automatically ａnd absorbs air When the netative pressure in the container reaches the allowable value, the valve will close automatically so as to protect the equipment and the system. It is to be installed in normal non-negative pressure systems. When the discharge valve of the container and system has not opened, which produces the negative pressure, this valve will open TFA72W is applicable in nega-automatically.
真空负压安全阀（TFA72W）主要性能规范
NO.	Name of part	TFA72W-P Materials	TFA72W-R Materials
1	Body	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
2	Seat	1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti
3	Adjusting ring	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Bonnet	ZG1Cr18Ni9Ti	1Cr18Ni9Ti
5	Stem	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Spring	50CrVA	50CrVA Coated Teflon

真空负压安全阀（TFA72W）主要零部件材料 Explanation of materials for main parts
Nominal diameter DN（mm）	Dimensions
Nominal diameter DN（mm）	D	D1	D2	Z- d	b	f1	H
15	95	65	45	4-14	14	2	110
20	105	75	55	4-14	16	2	130
25	115	85	65	4-14	16	2	150
32	140	100	78	4-18	18	2	180
40	150	110	85	4-18	18	3	200
50	165	125	100	4-18	20	3	221
80	200	160	135	4-18	22	3	245
100	220	180	155	8-18	22	3	253
125	250	210	185	8-18	24	3	280
150	285	240	210	8-23	24	3	329
200	340	295	265	8-23	26	3	377
250	395	350	320	12-23	28	3	440

安全阀

真空负压安全阀（TFA72W）,真空安全阀材质结构,温州安全阀厂家

产品展示

真空负压安全阀（TFA72W）TFA72W-10P/10R