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VP33 Series 1-Piece Check Valves
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VP33 Series 1-Piece Check Valves
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Features
Fixed and adjustable cracking pressure.
Reliable DK-LOK Tube Fitting, NPT and ISO pipe end connections.
Stainless and Brass material construction.
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Check Valves - Brochure
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Item #
VP33A-F4N-1/3-S
Item #
VP33A-F4N-1/3-S
Series
Cv Reduction - 0.35
Cv Reduction - 1.20
End Connection
Female ISO Tapered
Female NPT
Female NPT, Male NPT
Male ISO Tapered
Male NPT
Male NPT, Female NPT
Size Inlet x Outlet
1/4" Female NPT x 1/4" Female NPT
Spring Nominal Cracking Pressure
1
1 psi (0.07 bar)
1/3 psi (0.02 bar)
10 psi (0.69 bar)
25 psi (1.72 bar)
Min. Pressure
0
Max. Pressure
3 psig (0.21 bar)
Reseal Pressures (psig)
Up to 6 - Back Pressure
Reseal Pressures (bar)
0.41 - Back Pressure
Valve Body Material
Brass
Stainless Steel 316
Seal Material
EPDM
FKM
Kalrez
NBR
Spare Kit
None
Seal Kit
Spring Kit
1
Spring Cracking, Reseal and Back Pressure at 70°F (21°C )
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