Products
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Stainless Steel Check Valves – Fixed Cracking Pressure
▪ Working pressure up to 6000 psig (414 bar)
▪ Working temperature -23°C to 204°C (-10°F to 400°F)
▪ End connections: 1/8″ to 1″, 6 mm to 25 mm
▪ End types: tube fitting, male/female NPT, BSPT, BSPP, MR fitting, tube butt weld etc.
▪ Cracking pressure: 1/3 to 25 psig (0.02 to 1.7 bar)
▪ Seat ring continuously cleaned by media, avoiding secondary pollution
▪ Mountable in any directions, NACE MR0175 available
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Lift Check Valves – Fixed Pressure
▪ Working pressure up to 6000 psig (414 bar)
▪ Working temperature -53°C to 482°C (-65°F to 900°F)
▪ End connections: 1/8″ to 3/4″, 6mm, 1/4xSCH80, 3/8xSCH80, 1/2xSCH80
▪ End types: fractional tube fitting, metric tube fitting, male MR fitting
▪ Rugged, all-stainless steel construction
▪ Union bonnet design, horizontal installation with bonnet nut on top
▪ Reverse flow coefficient less than 0.1% of forward flow coefficient
▪ NACE MR0175 available
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One-Piece Check Valves – Fixed Cracking Pressure
▪ Working pressure up to 3000 psig (207 bar)
▪ Working temperature -23°C to 190°C (-10°F to 375°F)
▪ End connections: 1/8″ to 1/2″
▪ End types: male NPT, female NPT, male BSPT, female BSPT
▪ Cracking pressure: 1/3 to 25 psig (0.02 to 1.7 bar)
▪ One piece body, Compact design
▪ Mountable in any directions, NACE MR0175 available
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One Piece Check Valves – Adjustable Cracking Pressure
▪ Working pressure up to 3000 psig (207 bar)
▪ Working temperature -23°C to 190°C (-10°F to 375°F)
▪ End connections: 1/4″ to 1/2″
▪ End types: male NPT, female NPT, male BSPT, female BSPT
▪ Cracking pressure: 3 to 600 psig (0.2 to 41.4 bar)
▪ One piece body, Compact design
▪ Various springs available. Valves can be set and tested as per the specified cracking pressure
▪ Mountable in any directions, NACE MR0175 available
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Poppet Check Valves – Adjustable Cracking Pressure
▪ Working pressure up to 3000 psig (207 bar)
▪ Working temperature -23°C to 190°C (-10°F to 375°F)
▪ End connections: 1/4″, 6 mm and 8 mm
▪ End types: fractional tube fitting, metric tube fitting, male MR fitting
▪ Cracking pressure: 3 to 600 psig (0.2 to 41.4 bar)
▪ Various springs available
▪ Valves can be set and tested as per the specified cracking pressure
▪ Mountable in any directions, NACE MR0175 available
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Low Pressure High Purity Bellows-Sealed Valves
▪ End Connection Size 1/4″ to 1/2″, 6 mm to 12 mm
▪ Max. Working Pressure: manual 34.4 bar (500 psig), pneumatic 10 bar (145 psig)
▪ Pneumatic Actuator Operating Pressure: 4.2 to 6.2 bar (60 to 90 psig)
▪ 100% Helium leaking tested
▪ Leak Rate (Helium): internal ≤ 4×10^-9 std cm³/s, external ≤ 4×10^-9 std cm³/s
▪ Metal-to-metal gasket seal without external leakage
▪ Manual and pneumatic actuator available
▪ Panel mounting and bottom mounting available
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High Pressure High Purity Bellows-Sealed Valves
▪ End Connection Size 1/4″ to 3/8″, 6 mm to 8 mm
▪ Orifice Size: 0.15 in. (3.8 mm), Cv. 0.30
▪ Max. Working Pressure: manual 241 bar (3500 psig)
▪ Pneumatic Actuator Operating Pressure: 4.2 to 6.2 bar (60 to 90 psig)
▪ 100% Helium leaking tested
▪ Leak Rate (Helium): internal ≤ 4×10^-9 std cm³/s, external ≤ 4×10^-9 std cm³/s
▪ Manual and pneumatic actuator available
▪ Bottom mounting
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Bellows-Sealed Valves
▪ Maximum working pressure up to 1000 psig (68.9 bar)
▪ Working temperature from -20℉ to 900℉ (-28℃ to 482℃ )
▪ Flow coefficients (Cv) from 0.12 to 1.2
▪ Variety of end connections316 S.S., brass and monel 400 materials
▪ Hydraulic-formed multilayer bellows for longer cycle life
▪ Panel and bottom mounting
▪ Bar, round handle are available
▪ Precion-formed metal bellows providers reliable seal
▪ Nonrotating stem tip: spherical, conical and regulating
▪ Gasket body to bellows seal is standard, weld seal also available
▪ Externally pressurized bellows design for maximum strength
▪ Replaceable bellows and stem assembly
▪ Each valve is 100% tested with helium for 10s to a maximum leak rate of 4 ×10-9 std cm3/s
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Forged Body Needle Valves
▪ N1V SeriesWorking pressure up to 6000 psig (414 bar)
▪ N1VH Series: Working pressure up to 10000 psig (690 bar)
▪ Working temperature -24°C to 649°C (-65°F to 1200°F)
▪ End connections: 1/8″ to 1 1/4″, 6 mm to 28 mm
▪ End types: tube fitting, male/female NPT, BSPT, BSPP, butt weld, socket weld
▪ One-piece body and Two-piece stem design
▪ Steady and durable fastening of the handle by double lock-pins
▪ Panel mounting available
▪ Each valve leak tested with Nitrogen or compressed air
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Screwed Bonnet Needle Valves
▪ Working pressure up to 6000 psig (414 bar)
▪ Working temperature -24°C to 649°C (-65°F to 1200°F)
▪ End connections: 1/8″ to 1 1/4″, 6 mm to 28 mm
▪ End types: tube fitting, male/female NPT, BSPT, BSPP, butt weld, socket weld
▪ Cold drawn bar as body and Two-piece stem design
▪ Upper stem thread lubricant isolated from system media
▪ Safety back seating seal in fully open position
▪ Panel mounting available
▪ Every valve leak tested with Nitrogen or compressed air at the maximum allowable working pressure
▪ Handles of different colors available
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Integral Bonnet Needle Valves
▪ N3V Series: Working pressure up to 3000 psig (207 bar)
▪ N3VH Series: Working pressure up to 5000 psig (345 bar)
▪ Working temperature -24°C to 260°C (-65°F to 500°F)
▪ End connections: 1/8″ to 1 1/4″, 6 mm to 22 mm
▪ End types: tube fitting, male/female NPT, BSPT, BSPP, metric thread, tube butt weld
▪ One-piece forged body and Compact design
▪ Easy external adjustments by packing nut
▪ Live-loaded packing system
▪ Panel mounting and different color handles available
▪ Every valve leak tested with Nitrogen or compressed air at the maximum allowable working pressure
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Nonrotating-stem Needle Valves
▪ N4V Series: Working pressure up to 3000 psig (207 bar)
▪ N4VH Series: Working pressure up to 5000 psig (345 bar)
▪ Working temperature -28°C to 204°C (-20°F to 400°F)
▪ End connections: 1/8″ to 1/2″, 6 mm to 12 mm
▪ End types: double ferrule tube fitting, male/female NPT, BSPT
▪ One-piece forged body, Compact design
▪ Straight and angle pattern, Non-rotating stem
▪ Specially designed handle to stop contamination from entering into the valve
▪ SilcoNert 2000, Sulfinert coating available
