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), compression tube fittings and butt weld connections
- Internal spring
- Metal-to-metal diaphragm seals
- High cycle life
- 100% Helium leak tested
MATERIALS OF CONSTRUCTION
- Wetted
- Body： 316L stainless steel
- Seat： PCTFE*, Vespel®**
- Diaphragm： Elgiloy®
Non-wetted
- Nut： 316 stainless steel
- Knob： ABS
Operating Conditions
- Maximum Operating Pressure： 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=0.16
- 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： 15 - 20 μin
Internal Volume
0.8 cc
