檢測認證人脈交流通訊錄
Features:
- Suitable for high purity applications
- 316L Stainless Steel enhances, welding and corrosion resistance
- Both manual and pneumatic actuator are available
- Face seal fittings (FSR) and butt weld connections
- Internal springless
- Design for very low particle generation
- Metal-to-metal diaphragm seals
- High cycle life
- 1/4 turns of the handle to operate from fully open to closed
- Closed and open indication window
- 100% Helium leak tested
MATERIALS OF CONSTRUCTION
- Wetted
- Body: 316L stainless steel
- Seat: PCTFE*, Vespel®**
- Diaphragm: Elgiloy®
Non-wetted - Nut: 316 stainless steel
- Knob: aluminum
Operating Conditions - Maximum Operating Pressure: 250 psig (17 barg): Pneumatic and manual actuation;3500 psig (240 barg): Pneumatic and manual actuation
- Minimum Operating Pressure: vacuum
- Temperature: -40°F to 150°F (-40°C to 65°C)
- Pneumatic Actuator
Operating Pressure: 70 - 125 psig
Inlet Connection: 1/8”NPT (Female)
Normally: Closed
Functional Performance - Flow Capacity: Cv=0.3
- Maximum Leak Rate:
Inboard Leakage: 1 x 10-9 atm cc/sec He
Outboard Leakage: 1 x 10-9 atm cc/sec He
Across Seat Leakage: 4 x 10-9 atm cc/sec He - Proof Pressure: 150% of maximum rated pressure
- Burst Pressure: 400% of maximum rated pressure
Surface Finish - Standard Ra (EP): 7 μin (Electropolished)
Internal Volume
1.6 cc
上海德倫氣體設備有限公司
鄭溪松/張宇
- 地址:
- 上海市閔行區申南路59號泰弘研發園7號樓308室
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