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SENTINEL Back Pressure Valves: Blacoh Back Pressure Valves prevent siphoning and varying rates of dosage from fluctuating downstream pressure by enacting positive discharge pressure in your metering pump system.


SENTINEL Pressure Relief Valves: Blacoh Pressure Relief Valves operate when the system pressure raises above the set pressure of the valve to protect systems from damage due to blockages or excessive pressure situations.


Features and Benefits:

  • CNC precision machined parts
  • Pressure rated to 150 PSI (350 PSI also available)
  • Cost efficient and reliable
  • Variety of materials available (Not all materials are available for all size valves. Contact us for details)
  • Anti-syphon protection
  • Optional air release and pressure gauge port on Back Pressure Valves
  • Optional right-angle, 3-port design on Pressure Relief Valves
BSP connections available for some sizes in some models. Contact us for details.
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Item #

Item Name

Inlet Size

Add To Cart/Request Quote
VBP-NPT_SOCKET N/A Back Pressure Valve NPT or Socket Weld N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VBP-ANSI_150 N/A Back Pressure Valve ANSI 150# Flange N/A 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2", 3", 4" Add To Cart
Request Quote
VBP90-NPT_SOCKET N/A Back Pressure Valve 90° NPT or Socket Weld N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1" Add To Cart
Request Quote
VBP90-ANSI_150 N/A Back Pressure Valve 90° ANSI 150# Flange N/A 1/2" mini, 1/2", 3/4", 1" Add To Cart
Request Quote
VBP-H-NPT_SOCKET N/A Back Pressure Valve High Pressure NPT or Socket Weld N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1" Add To Cart
Request Quote
VBPHF-NPT_SOCKET N/A Back Pressure Valve High Flow NPT or Socket Weld N/A 1/2", 3/4", 1" Add To Cart
Request Quote
VBPUB-Unibody N/A Back Pressure Valve with Unibody N/A 1/2", 3/4", 1" Add To Cart
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VBP-U-Union N/A Back Pressure Valve Union Connection N/A 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VPR-NPT_SOCKET N/A Pressure Relief Valve NPT or Socket Weld N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VPR-ANSI_150 N/A Pressure Relief Valve ANSI 150# Flange N/A 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2", 3", 4" Add To Cart
Request Quote
VPR90-NPT_SOCKET N/A Pressure Relief Valve 90º NPT or Socket N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VPR90-ANSI_150 N/A Pressure Relief Valve 90º ANSI 150# Flange N/A 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VPRHF-NPT_SOCKET N/A Pressure Relief Valve 2-Port High Flow NPT or Socket N/A 1/2", 3/4", 1" Add To Cart
Request Quote
VPR-H-NPT_SOCKET N/A Pressure Relief Valve High Pressure NPT or Socket Weld N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1" Add To Cart
Request Quote
VPR2P-NPT_SOCKET N/A Pressure Relief Valve 2-Port NPT or Socket Weld N/A 1/4", 3/8", 1/2" mini, 1/2", 3/4", 1" Add To Cart
Request Quote
VPR2P-ANSI_150 N/A Pressure Relief Valve 2-Port ANSI 150# Flange N/A 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VPR-U-Union N/A Pressure Relief Valve Union N/A 1/2" mini, 1/2", 3/4", 1", 1 1/2", 2" Add To Cart
Request Quote
VPR90-U-Union N/A Pressure Relief Valve 90º Union N/A 1/2" mini, 1/2", 3/4" 1", 1 1/2", 2" Add To Cart
Request Quote
1 - 18 of 18 | Results Per Page | View |
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