A Flow Controls & Accessories
A Flow Controls & Accessories
A Flow Controls & Accessories
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Catalog MRO-6WICheck Valves<strong>Flow</strong> <strong>Controls</strong> & <strong>Accessories</strong>“SPC” Series & “339” Series“SPC” Series – 1/8" to 1/2" Ports“339” Series – 1/8" to 3/4" PortsADSq.CFree<strong>Flow</strong>General DescriptionCheck valves provide free flow of air or oil in one directionand dependable shutoff in the opposite direction.These valves are available with NPTF ports in 1/8",1/4", 3/8" and 1/2" sizes.ABBValve SpecificationsMaximum Operating Pressure...........2000 PSI Non-Shock5 PSIG Cracking PressureOperating Temperature......................................0° to 140°F*40° to 140°F (Hydraulic service)* Ambient temperatures below freezing require moisture-free air. Ambienttemperatures below freezing and above 180° require lubricants especiallyselected for suitability at these temperatures. Pneumatic valves should beused with filtered and lubricated air.Component MaterialsBody...............................................................................BrassPoppet.............................................................Stainless SteelPoppet Seal.......................................................Buna (Nitrile)Poppet Retainer.............................................Stainless SteelSpring..............................................................Stainless SteelPoppet Style............................................ Soft Seal StandardModel Selection and DimensionsModelNumberA Port Size D CSPC200B 1/8-27 NPTF 0.62 2.00SPC400B 1/4-18 NPTF 0.81 2.62SPC600B 3/8-18 NPTF 1.00 2.75SPC800B 1/2-14 NPTF 1.25 3.44Performance Data ‐ <strong>Flow</strong>ModelNumberPort SizeInchesFree <strong>Flow</strong>SCFM*CvOrificearea, in. 2SPC200B 1/8-27 NPTF 29.2 0.53 0.023SPC400B 1/4-18 NPTF 86.1 1.56 0.068SPC600B 3/8-18 NPTF 125.3 2.27 0.099SPC800B 1/2-14 NPTF 282.0 5.11 0.224* At 100 PSI, Full ∆PGeneral Information“339” Series check valves allow free flow in one direction andprovide positive checked (zero flow) in the reverse direction.These valves are available with NPTF ports in 1/8", 1/4", 3/8",1/2" & 3/4" sizes. This series is recommended for pneumaticservice.Valve SpecificationsMaximum Operating Pressure:250 PSIGCracking Pressure: 1 to 2 PSIGOperating Temperature:Standard: 0° to 180° F*Extended Temperature Option: 0°F to 300°F** Ambient temperatures below freezing require moisture-free air. Ambienttemperatures below freezing and above 180° require lubricants especiallyselected for suitability at these temperatures. Pneumatic valves should beused with filtered and lubricated air.Component MaterialsBody Material............................................................... BrassInternal Components......................Brass / Stainless Steel /Zinc-Plated SteelSeals...................................................... Urethane (standard),Fluorocarbon (optional – consult factory)Model Selection and DimensionsModel Port <strong>Flow</strong> † Dimensions ServiceNumber Size (SCFM) A B Kit00339 3000 1/8" 35 1.22 0.56 00337 800000339 3001 1/4" 75 1.34 0.69 00337 800100339 3002 3/8" 143 2.00 0.88 00337 800200339 3003 1/2" 162 2.56 1.19 00337 800300339 3004 3/4" 323 2.66 1.38 00337 8004A15Pneumatic DivisionRichland, Michiganwww.wilkersoncorp.com
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