Check Valves

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  • 1" Check Valve 316 SS Body/Internals/Buna Seal 200 PSI
    $504.00
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: 316 Stainless Steel Body and Internals, Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1" Check Valve 316 SS Body/Internals/Spring/Buna Seal 200 PSI
    $554.75
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: 316 Stainless Steel Body and Internals, Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1" Check Valve Carbon Steel Body/Alum. Internals/Buna Seal 200 PSI
    $261.35
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: Carbon Steel Body, Aluminum Internals and Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1" Check Valve Carbon Steel Body/Alum. Internals/SS Spring/Buna Seal 200 PSI
    $252.40
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: Carbon Steel Body, Aluminum Internals and Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1" FPT Bronze In-Line Check Valve
    $148.87
    • 400 PSI @ 100 F
    • 125 PSI Steam @ 350 F
    • Maximum Temperature: 406 F
    • Apollo CBV Ball Cone Check Valves Offer Reliable Protection Against Reverse Flow and Exceptional Resistance to Chemicals and Corrosion
    • Can Be Installed in Both Horizontal or Vertical Flow with Upward Flow
    • Bronze Construction
    • Spring Actuated
    • Tight Shut-Off with Liquid Media
    • Flow Straight Through Design Efficiency
    • FPT x FPT Connection
    • RPTFE Ball Cone for Chemical Resistance
    • ARRA Compliant
    • Canadian Reg. No: 0C11218.5C
  • 1" FPT In-Line Check Valve 115 SCFM
    $113.03
    • Applications: Air Compressor Discharge Lines
    • Pressure Range: 250 PSI
    • Maximum Temperature: 450 F
    • Cracking Pressure: 3 PSI
    • Construction: Extra Heavy Cast Brass Body
    • Glass Filled Fluoropolymer Poppets and Corrosion Resistant Stainless Steel Springs to Ensure Long Life
    • A Plugged 1/8 NPT Unloader Port is Standard
  • 1" FPT In-Line Vertical Check Valve 60 SCFM
    $58.85
    • Applications: Compressor Applications Where an In Tank Check Valve Will Not Fit, the CLB Valve Can Conveniently be Installed Right in the Discharge Line of the Compressor
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • 1 PSI Cracking Pressure
    • A Plugged 1/8 NPT Unloader Port is Standard
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
  • 1" FPT x 1" MPT In-Tank Check Valve
    $30.20
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 1/8 NPT Tapped Port is Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1" FPT x 1" MPT In-Tank Check Valve
    $35.35
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 2 - 1/8 NPT Tapped Ports are Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1" FPT x 1" MPT In-Tank Check Valve
    $40.38
    • Construction: One Piece Brass Body Stainless Steel Springs Glass Filled Fluoropolymer Poppets for Long Term Reliability
    • 8 Discharge Holes for Quiet Operation
    • Can be Disassembled for Cleaning & Repair
    • Valves are 100% Tested for Backflow Leakage Performance
    • Maximum Pressure: 450 PSI
    • Maximum Temperature: 400 F
    • 1/8 NPT Tapped Port is Standard
    • Loc-Tite Vibra Seal Standard
  • 1" FPT x 1" MPT In-tank Check Valve w/ 1/4 Port & 1/8 Port
    $31.28
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 1/4 NPT Tapped Port 1/8 NPT Tapped Ports
  • 1" FPT x 1" MPT In-Tank Check Valve w/Plug 60 SCFM
    $30.20
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 1/8 NPT Tapped Port with Plug is Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1" FPT x 1-1/4" MPT In-Tank Check Valve
    $48.40
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 1/8 NPT Tapped Port is Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1"FPT In-Line Check Valve 115 SCFM
    $92.30
    • Applications: Air Compressor Discharge Lines
    • Construction: Bronze Body, Corrosion Resistant Stainless Steel Spring to Ensure Long Life,15% Glass Filled Teflon Poppet and C360 Machined Brass Cap
    • Can Be Mounted Vertical or Horizontal
    • 1/8 NPT Unloader Port is Standard
    • Pressure Range: 250 PSI
    • Maximum Temperature: 450 F
    • Cracking Pressure: 3 PSI
    • Repairable
  • 1-1/2 FPT x 1-1/2 MPT In-Tank Check Valve w/Plug
    $91.78
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 1/8 NPT Tapped Port with Plug is Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1-1/2" Check Valve 316 SS Body/Internals/Spring/Buna Seal 200 PSI
    $581.00
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: 316 Stainless Steel Body and Internals, Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1-1/2" Check Valve Carbon Steel Body/Alum. Internals/Buna Seal 200 PSI
    $206.15
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: Carbon Steel Body, Aluminum Internals and Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1-1/2" Check Valve Carbon Steel Body/Alum. Internals/SS Spring/Buna Seal 200 PSI
    $225.75
    • Flexi-HingeT Design Check Valves have a Unique Post Design Contour Which Conforms to the Closure Angle of the Valve Plates, Providing a Positive, Quick Seal with Low Back Pressure
    • Cracking Pressure: 0.1 PSID, Fully Open: 0.5 PSID
    • Construction: Carbon Steel Body, Aluminum Internals and Buna N Seals
    • Maximum Temperature: 225 F
    • Maximum Operating Pressure: 200 PSI
    • Rated for 29" Hg
    • Male NPT Connections
    • For Low Flow or Vertically Piped (Downward Flow) Installations, the Spring Design is Recommended
    • Option Seal Material Available
  • 1-1/2" FPT Bronze In-Line Check Valve
    $325.67
    • 400 PSI @ 100 F
    • 125 PSI Steam @ 350 F
    • Maximum Temperature: 406 F
    • Apollo CBV Ball Cone Check Valves Offer Reliable Protection Against Reverse Flow and Exceptional Resistance to Chemicals and Corrosion
    • Can Be Installed in Both Horizontal or Vertical Flow with Upward Flow
    • Bronze Construction
    • Spring Actuated
    • Tight Shut-Off with Liquid Media
    • Flow Straight Through Design Efficiency
    • FPT x FPT Connection
    • RPTFE Ball Cone for Chemical Resistance
    • ARRA Compliant
    • Canadian Reg. No: 0C11218.5C
  • 1-1/2" FPT In-Line Check Valve 160 SCFM
    $136.15
    • Applications: Air Compressor Discharge Lines
    • Construction: Bronze Body, Corrosion Resistant Stainless Steel Spring to Ensure Long Life,15% Glass Filled Teflon Poppet and C360 Machined Brass Cap
    • Can Be Mounted Vertical or Horizontal
    • 1/8 NPT Unloader Port is Standard
    • Pressure Range: 250 PSI
    • Maximum Temperature: 450 F
    • Cracking Pressure: 3 PSI
    • Repairable
  • 1-1/2" FPT In-Line Check Valve 160 SCFM
    $149.43
    • Applications: Air Compressor Discharge Lines
    • Pressure Range: 250 PSI
    • Maximum Temperature: 450 F
    • Cracking Pressure: 3 PSI
    • Construction: Extra Heavy Cast Brass Body
    • Glass Filled Fluoropolymer Poppets and Corrosion Resistant Stainless Steel Springs to Ensure Long Life
    • A Plugged 1/8 NPT Unloader Port is Standard
  • 1-1/2" FPT x 1-1/2" MPT In-Tank Check Valve
    $91.43
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 1/8 NPT Tapped Port is Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1-1/2" FPT x 1-1/2" MPT In-Tank Check Valve
    $91.55
    • Construction: C360 Machined One Piece Brass Body, 302 Stainless Steel Spring and 15% Glass Filled Teflon Poppet
    • Valves are 100% Tested for Backflow Leakage Performance
    • 1 PSI Cracking Pressure
    • Maximum Pressure: 500 PSI
    • Maximum Temperature: 450 F
    • 2 - 1/8 NPT Tapped Ports are Standard
    • Everseal 483 Sealant Standard
    • Repairable
  • 1-1/2" FPT x 1-1/2" MPT In-Tank Check Valve
    $123.47
    • Construction: One Piece Brass Body Stainless Steel Springs Glass Filled Fluoropolymer Poppets for Long Term Reliability
    • 8 Discharge Holes for Quiet Operation
    • Can be Disassembled for Cleaning & Repair
    • Valves are 100% Tested for Backflow Leakage Performance
    • Maximum Pressure: 450 PSI
    • Maximum Temperature: 400 F
    • 1/8 NPT Tapped Port is Standard
    • Loc-Tite Vibra Seal Standard
  • 1-1/2" FPT x 1-1/2" MPT In-Tank Check Valve
    $123.47
    • Construction: One Piece Brass Body Stainless Steel Springs Glass Filled Fluoropolymer Poppets For Long Term Reliability
    • 8 Discharge Holes for Quiet Operation
    • Can be Disassembled for Cleaning & Repair
    • Valves are 100% Tested for Backflow Leakage Performance
    • Maximum Pressure: 450 PSI
    • Maximum Temperature: 400 F
    • 2 - 1/8 NPT Tapped Ports are Standard
    • Loc-Tite Vibra Seal Standard
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