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Hi-strength check valves. Mix-or-match end combinations. Maximum operating pressure 125 psi. Maximum operating temperature 140 ºF. Buna-N, Viton® or Ethylene Propylene seals available. Excellent for liquid and air service. Colors may vary on Polypropylene bodies.
CVS Series Hi-Strength Check Valves
Unit of Measure
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Item #

Item Name

Inlet

Inlet Connection Type

Outlet

Outlet Connection Type

Cracking Pressure

Spring

Spring Material

Ball Material

Seal

Body Material

CVS-18-7#-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 7 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A White Glass Filled Polypropylene
CVS-18-7#-BU-N N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Glass Filled Nylon Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 7 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Black Glass Filled Nylon
CVS-18-7#-BU-K N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Kynar Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 7 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Black Kynar
CVS-18-10#-BU-PVC N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Gray Polyvinyl Chloride (PVC) Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 10 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Gray PVC (Polyvinyl Chloride)
CVS-18-10#-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 10 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A White Glass Filled Polypropylene
CVS-18-10#-BU-N N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Glass Filled Nylon Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 10 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Black Glass Filled Nylon
CVS-18-10#-BU-K N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Kynar Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 10 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Black Kynar
CVS-18-12#-BU-PVC N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Gray Polyvinyl Chloride (PVC) Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 12 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Gray PVC (Polyvinyl Chloride)
CVS-18-12#-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 12 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A White Glass Filled Polypropylene
CVS-18-12#-BU-N N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Glass Filled Nylon Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 12 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Black Glass Filled Nylon
CVS-18-12#-BU-K N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Kynar Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 12 psi N/A N/A 302 Stainless Steel N/A 316 Stainless Steel N/A Buna-N N/A Black Kynar
CVS-18-1/3#H-T-BU-PVC N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Gray Polyvinyl Chloride (PVC) Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1/3 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Gray PVC (Polyvinyl Chloride)
CVS-18-1/3#H-T-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1/3 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A White Glass Filled Polypropylene
CVS-18-1/3#H-T-BU-N N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Glass Filled Nylon Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1/3 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Black Glass Filled Nylon
CVS-18-1/3#H-T-BU-K N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Kynar Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1/3 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Black Kynar
CVS-18-1#H-T-BU-PVC N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Gray Polyvinyl Chloride (PVC) Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Gray PVC (Polyvinyl Chloride)
CVS-18-1#H-T-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A White Glass Filled Polypropylene
CVS-18-1#H-T-BU-N N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Glass Filled Nylon Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Black Glass Filled Nylon
CVS-18-1#H-T-BU-K N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Kynar Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 1 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Black Kynar
CVS-18-5#H-T-BU-PVC N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Gray Polyvinyl Chloride (PVC) Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 5 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Gray PVC (Polyvinyl Chloride)
CVS-18-5#H-T-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 5 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A White Glass Filled Polypropylene
CVS-18-5#H-T-BU-N N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Glass Filled Nylon Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 5 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Black Glass Filled Nylon
CVS-18-5#H-T-BU-K N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Black Kynar Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 5 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Black Kynar
CVS-18-12#H-T-BU-PVC N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength Gray Polyvinyl Chloride (PVC) Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 12 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A Gray PVC (Polyvinyl Chloride)
CVS-18-12#H-T-BU-PP N/A CVS Series 1/8 Inch (in) Hose Barb Inlet x 1/8 Inch (in) Hose Barb Outlet Hi-Strength White Glass Filled Polypropylene Check Valve N/A 1/8 in N/A Hose Barb N/A 1/8 in N/A Hose Barb N/A 12 psi N/A N/A Hastelloy N/A PTFE N/A Buna-N N/A White Glass Filled Polypropylene
Unit of Measure
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