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  • Polytetrafluoroethylene (PTFE) Diaphragm Relief/Bypass/Back Pressure/Anti-Siphon Valves
Relief setting is infinitely adjustable from 5 psi to 125 psi - 5-100 psi on 3" and 4" sizes.

Functions as relief, bypass, back pressure, anti-siphon valve and back pressure regulator.

Unique internal flow path provides highest flow rates at set pressure.
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Item #

Item Name

Connection Size

Connection Type

Body Material

Seal Material

N/A 1/2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 1/2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 3/4 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 3/4 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 1 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 1 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 1-1/2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 1-1/2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 3 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 3 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 4 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 4 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Polytetrafluoroethylene (PTFE)
N/A 1/2 Inch (in) National Pipe Thread (NPT) Stainless Steel Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 1/2 in N/A National Pipe Thread (NPT) N/A Stainless Steel N/A Polytetrafluoroethylene (PTFE)
N/A 3/4 Inch (in) National Pipe Thread (NPT) Stainless Steel Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 3/4 in N/A National Pipe Thread (NPT) N/A Stainless Steel N/A Polytetrafluoroethylene (PTFE)
N/A 1 Inch (in) National Pipe Thread (NPT) Stainless Steel Relief/Bypass/Back Pressure/Anti-Siphon Valve with Polytetrafluoroethylene (PTFE) Seal N/A 1 in N/A National Pipe Thread (NPT) N/A Stainless Steel N/A Polytetrafluoroethylene (PTFE)
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