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Shanghai Woyuan Automatic Control Valve Co., Ltd.
Consulting Tel: 021-60486132 / 60528933
Product Categories
DRW72 air chamber back pressure valve
DRW72 air chamber back pressure valve
Characteristic parameter Material weight

,不锈钢活塞压力传输,压力控制准确,用手调节上游压力,适用于纯净气体、标准气体、腐蚀性气体、液体等。 RW72 series stainless steel high pressure back pressure valve , stainless steel piston pressure transmission, accurate pressure control, manual adjustment of upstream pressure, suitable for pure gas, standard gas, corrosive gas, liquid, etc.

Maximum regulating pressure: 6000 Psig
压力: 5~500 5~800 10~1500,15~2500,25~4000 50 ~6000psig Adjusting pressure: 5 ~ 500 , 5 ~ 800 , 10 ~ 1500 , 15 ~ 2500, 25 ~ 4000 , 50 ~ 6000psig
Safety test pressure: 150% of maximum rated pressure

: -40℃至+230℃(大于230℃咨询技术) Applicable temperature : -40 ° C to + 230 ° C (above 230 ° C consulting technology)

:无气体泄漏 Leak rate : no gas leakage

0.08,0.2 0.4 0.6 1.2 2 Cv values: 0.06 , 0.08 , 0.2 , 0.4 , 0.6 , 1.2 , 2

体: 316L , Brass,C276,TA2 Mother : 316L, Brass, C276, TA2

盖: 304 Cover : 304
Buna-N, Viton O -rings : Buna-N, Viton

: PCTFE ,Teflon, Vespel Seat : PCTFE, Teflon, Vespel
Seal: PCTFE
: 316L Spool jack : 316L

Design Features:

:1/4 NPT(F) 内设过滤网可采用面板或墙式安装 Piston-type decompression structureMaternal thread : 1/4 NPT (F)

Scope of application:

测试设备 Laboratory gas analysis test fluid control petrochemical industry test equipment


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  • DRW72 air chamber back pressure valve

    RW72 series stainless steel high pressure back pressure valve, stainless steel piston pressure transmission, accurate pressure control, manual adjustment of upstream pressure, suitable for pure gas, standard gas, corrosive gas, liquid, etc. Maximum adjustment pressure: 6000 Psig Adjustment pressure: 5 ~ 500, 5 ~ 800, 10 ~ 1500, 15 ~ 2500, 25 ~ 4000, 50 ~ 6000psig Safety test pressure: 150% of the maximum rated pressure Applicable temperature: -40 ℃ to + 230 ℃ (Greater than 230

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