功能
内部泄压阀
627R 和 627MR 型行程限位器
泄压操作指示器
易于维护
安装灵活
应用多样化
抗干扰
流量范围广泛
规格
阀体尺寸和端面连接方式
3/4、1 或 2:NPT 端部连接
NPS 1 或 2 / DN 25 或 50:CL150 RF、CL300 RF、CL600 RF 法兰式端部连接
*大入口压力
NPT 钢:2000 psig / 138 bar
法兰连接钢:1500 psig / 103 bar
球墨铸铁:1000 psig / 69.0 bar
出口压力范围
5 至 500 psig / 0.34 至 34.5 bar 之间的 6 个范围
取压方式
627、627H 或 627R 型:内部取压 
627M、627HM 或 627MR 型:外部至阀膜箱体中的 1/4 NPT 内部控制管路连接
温度适用范围
-20° 至 180°F / -29° 至 82°C
Fisher 627 Series direct-operated pressure reducing regulators are for low and high-pressure systems. These regulators can be used with natural gas, air or a variety of other gases. Performance characteristics vary according to construction.
Features
Internal Relief Valve
Types 627R and 627MR Travel Stop
Relief Operation Indicator
Easy to Maintain
Installation Adaptability
Application Versatility
Tamper-Resistant
Wide Range of Flow Capabilities
Specifications
Body Sizes and End Connection Styles
3/4, 1, or 2: NPT end connections
NPS 1 or 2 / DN 25 or 50: CL150 RF, CL300 RF, CL600 RF flanged end connections
Maximum Inlet Pressure
NPT Steel: 2000 psig / 138 bar
Flanged Steel: 1500 psig / 103 bar
Ductile Iron: 1000 psig / 69,0 bar
Outlet Pressure Range
5 to 500 psig / 0,34 to 34,5 bar in six ranges
Pressure Registration
Type 627, 627H or 627R: Internal 
Type 627M, 627HM or 627MR: External through 1/4 NPT internal control line connection in the diaphragm case
Temperature Capabilities
-20° to 180°F / -29° to 82° |