法兰安全阀

您的位置：罗浮安全阀 >> 真空负压安全阀
真空负压安全阀
所属系列：法兰安全阀
检索关键字：真空负压安全阀
销售电话：021-69783866
图文传真：021-69783899
在线客服：点击这里给我发消息

感谢您向我们发出订单我们会在最短时间与您联系

真空负压安全阀(TFA72W)
Description:

TFA72W-10P/10R
 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.
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

Working temperature 200
Suitable medium TFA72W-10P  Nitric acid etc. medium
TFA72W-10R  Acetic acid etc. medium

主要零部件材料 Explanation of materials for main parts
Nominal diameter
DN(mm)		   Dimensions
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
相关产品
 
相关新闻