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上海德倫氣體設(shè)備有限公司

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      • 產(chǎn)品說明
        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(shè)備有限公司

    鄭溪松/張宇

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