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Maximum Flow Rate

Cracking Pressure

Seal Material

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Standard Check Valves

Standard Check Valves

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Capable of flows from 3.5 to 303 lpm (0.9 to 80 gpm) and pressure as high as 420 bar (6,000 psi), Parker’s poppet and ball style check valves have a simple and robust design which are used to block flow in one direction, and allow flow in the opposite.

Technical Specifications

  • Maximum Flow Rate: 1.6, 10, 16, 21, 32, 42, 60, 80, 132 Gal/min, 6, 38, 60, 80, 121, 160, 225, 303, 500 L/min
  • Cracking Pressure: 0, 1.5, 10, 14, 15, 20, 22, 25, 30, 36, 50, 58, 60, 65, 80, 87, 100, 109, 125, 145, 150, 175, 217, 247, 290, 362 psi, 0, 0.1, 0.2, 0.3, 1, 1.4, 1.5, 1.7, 2.1, 2.5, 3.4, 3.5, 4, 4.1, 4.5, 5.5, 6, 6.9, 7.5, 8.6, 10, 10.4, 12.1, 15, 17, 20, 25 bar
  • Seal Material: D-Ring (Standard), Nitrile, Fluorocarbon
  • Flow Rate: N/A, 0.9 @ 100 PSI (7 BAR), 12 @ 100 PSI (7 BAR), 24 @ 100 PSI (7 BAR), 74 @ 100 PSI (7 BAR), Nominal Gal/min, N/A, 3.5 @ 100 PSI (7 BAR), 45 @ 100 PSI (7 BAR), 90 @ 100 PSI (7 BAR), 280 @ 100 PSI (7 BAR), Nominal L/min
  • Maximum Operating Pressure: 5000, 6000 psi, 350, 420 bar
  • Maximum Inlet Pressure Rating: 5000, 6000 psi, 350, 420 bar
  • Leak Rate: 2 @ 5000 PSI (350 BAR), 5 @ 5000 PSI (350 BAR), < 3 @ 6000 PSI (420 BAR), 3 @ 6000 PSI (420 BAR) drops/min
  • Function: Standard Check
  • Actuation Type: Pressure Sensing
  • Flow Direction: 2-1 checked, 1-2 free flow
  • For Fluid Type: Mineral-based or synthetic hydraulic fluids
  • Maximum Kinematic Viscosity: 45-2000 SSU (6 to 420 cSt)
  • Filter Efficiency Rating: ISO 4406 18/16/13, SAE Class 4
  • Valve Material: All parts steel. All operating parts hardened steel
  • Cavity Size: C08-2, C10-2, C12-2, C16-2, C20-2, CAV0W-2
  • Installation Torque: 7, 30, 32-36, 37, 51-55, 56, 73, 74, 98 lb-ft, 10, 40, 43-49, 50, 69-75, 76, 99, 100, 133 Nm
  • Operating Temperature: -35 to +200, -30 to +250, -15 to +400 °F, -37 to +93, -34 to +121, -26 to +204 °C
  • Maximum Operating Temperature: +200, +250, +400 °F, +93, +121, +204 °C
  • Minimum Operating Temperature: -35, -30, -15 °F, -37, -34, -26 °C
  • Weight: 0.026 to 0.6 lbs, 0.01 to 0.27 kg
  • Body Material: N/A
Safety Warning

Full Product Description

Parker’s robust poppet and ball style check valves are designed for the most demanding applications with flows up to 303 lpm (80 gpm) and pressures as high as 420 bar (6,000 psi) across several markets such as agriculture, construction, and industrial manufacturing. These valves feature a hardened poppet or ball and seat design that keeps leakage as low as 5 drops per minute or less while lengthening service life due to improved wear characteristics, and the wide selection of crack pressures available ensures easy system integration with reliable performance.

Markets:
• Agriculture
• Construction Equipment
• Material Handling Equipment
• Miscellaneous Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile

Features/Benefits:
• Wide range of body sizes, crack pressures, and flow capacities
• Low leakage – less than 5 drops/min
• Simple construction – extremely cost effective
• High tolerance for contamination
• All external parts zinc plated

Applications:
• Load holding
• Component isolation
• Backflow prevention
• Anti-cavitation
• Markets where cleanliness is an issue

Additional Technical Insight:
Parker ball type check valves are designed with a ball held against a seat by a spring.  This prevents flow in one direction at all times, but permits flow in the opposite direction when the pressure is high enough to lift the ball off its seat.  The pressure at which reverse flow is permitted is called the cracking pressure.  By using a hardened ball and finished seat, leakage rates are less than 5 drops per minute in the blocking direction.

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Literature and Reference Materials
CAT. HY15-3503R1.pdf
Check Valve Technical Tips
Hydraulic Cartridge Systems Threaded Cartridge Valves and Integrated Hydraulic Products - CAT. HY15-3503R1
Check Valve Technical Tips
Standard Check Valve Catalog Pages
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Products Maximum Flow Rate Cracking Pressure Seal Material
CVH201P65V 80 GAL/MIN, 303 L/MIN 65 PSI, 4.5 BAR Fluorocarbon
D0WB2-0.3N 1.6 GAL/MIN, 6 LPM 4 PSI, 0.3 BAR Nitrile
D0WB2-0.3V 1.6 GAL/MIN, 6 LPM 4 PSI, 0.3 BAR Fluorocarbon
D0WB2-1.0N 1.6 GAL/MIN, 6 LPM 15 PSI, 1 BAR Nitrile
D02B2-0.0N 21 GAL/Min, 80 L/MIN 0 PSI, 0 BAR Nitrile
D02B2-0.0V 21 GAL/Min, 80 L/MIN 0 PSI, 0 BAR Fluorocarbon
D02B2-0.2N 21 GAL/Min, 80 L/MIN 3 PSI, 0.2 BAR Nitrile
D02B2-0.2V 21 GAL/Min, 80 L/MIN 3 PSI, 0.2 BAR Fluorocarbon
D02B2-1.0N 21 GAL/Min, 80 L/MIN 15 PSI, 1 BAR Nitrile
D02B2-1.0V 21 GAL/Min, 80 L/MIN 15 PSI, 1 BAR Fluorocarbon
D02B2-1.5N 21 GAL/Min, 80 L/MIN 22 PSI, 1.5 BAR Nitrile
D02B2-1.5V 21 GAL/Min, 80 L/MIN 22 PSI, 1.5 BAR Fluorocarbon
D02B2-2.1N 21 GAL/Min, 80 L/MIN 30 PSI, 2.1 BAR Nitrile
D02B2-2.1V 21 GAL/Min, 80 L/MIN 30 PSI, 2.1 BAR Fluorocarbon
D02B2-2.5N 21 GAL/Min, 80 L/MIN 36 PSI, 2.5 BAR Nitrile
D02B2-2.5V 21 GAL/Min, 80 L/MIN 36 PSI, 2.5 BAR Fluorocarbon
D02B2-3.4N 21 GAL/Min, 80 L/MIN 50 PSI, 3.4 BAR Nitrile
D02B2-3.4V 21 GAL/Min, 80 L/MIN 50 PSI, 3.4 BAR Fluorocarbon
D02B2-4.0N 21 GAL/Min, 80 L/MIN 58 PSI, 4 BAR Nitrile
D02B2-4.0V 21 GAL/Min, 80 L/MIN 58 PSI, 4 BAR Fluorocarbon
D02B2-6.0N 21 GAL/Min, 80 L/MIN 87 PSI, 6 BAR Nitrile
D02B2-6.0V 21 GAL/Min, 80 L/MIN 87 PSI, 6 BAR Fluorocarbon
D02B2-6.9N 21 GAL/Min, 80 L/MIN 100 PSI, 6.9 BAR Nitrile
D02B2-6.9V 21 GAL/Min, 80 L/MIN 100 PSI, 6.9 BAR Fluorocarbon
D02B2-10.0N 21 GAL/Min, 80 L/MIN 145 PSI, 10 BAR Nitrile
D02B2-10.0V 21 GAL/Min, 80 L/MIN 145 PSI, 10 BAR Fluorocarbon
D02B2-17.0N 21 GAL/Min, 80 L/MIN 247 PSI, 17 BAR Nitrile
D02B2-17.0V 21 GAL/Min, 80 L/MIN 247 PSI, 17 BAR Fluorocarbon
D02B2-20.0N 21 GAL/Min, 80 L/MIN 290 PSI, 20 BAR Nitrile
D02B2-20.0V 21 GAL/Min, 80 L/MIN 290 PSI, 20 BAR Fluorocarbon
D02B2-25.0N 21 GAL/Min, 80 L/MIN 362 PSI, 25 BAR Nitrile
D02B2-25.0V 21 GAL/Min, 80 L/MIN 362 PSI, 25 BAR Fluorocarbon
D04B2-0.0N 42 GAL/MIN, 160 L/MIN 0 PSI, 0 BAR Nitrile
D04B2-0.0V 42 GAL/MIN, 160 L/MIN 0 PSI, 0 BAR Fluorocarbon
D04B2-0.2N 42 GAL/MIN, 160 L/MIN 3 PSI, 0.2 BAR Nitrile
D04B2-0.2V 42 GAL/MIN, 160 L/MIN 3 PSI, 0.2 BAR Fluorocarbon
D04B2-1.0N 42 GAL/MIN, 160 L/MIN 15 PSI, 1 BAR Nitrile
D04B2-1.0V 42 GAL/MIN, 160 L/MIN 15 PSI, 1 BAR Fluorocarbon
D04B2-2.1N 42 GAL/MIN, 160 L/MIN 30 PSI, 2.1 BAR Nitrile
D04B2-2.1V 42 GAL/MIN, 160 L/MIN 30 PSI, 2.1 BAR Fluorocarbon
D04B2-3.4N 42 GAL/MIN, 160 L/MIN 50 PSI, 3.4 BAR Nitrile
D04B2-3.4V 42 GAL/MIN, 160 L/MIN 50 PSI, 3.4 BAR Fluorocarbon
D04B2-6.9N 42 GAL/MIN, 160 L/MIN 100 PSI, 6.9 BAR Nitrile
D04B2-6.9V 42 GAL/MIN, 160 L/MIN 100 PSI, 6.9 BAR Fluorocarbon
D04B2-10.0N 42 GAL/MIN, 160 L/MIN 145 PSI, 10 BAR Nitrile
D04B2-10.0V 42 GAL/MIN, 160 L/MIN 145 PSI, 10 BAR Fluorocarbon
D04B2-15.0N 42 GAL/MIN, 160 L/MIN 217 PSI, 15 BAR Nitrile
D04B2-15.0V 42 GAL/MIN, 160 L/MIN 217 PSI, 15 BAR Fluorocarbon
CVH081P 10 GAL/MIN, 38 L/MIN 5 PSI, 0.3 BAR D-Ring (Standard)
CVH081PN 10 GAL/MIN, 38 L/MIN 5 PSI, 0.3 BAR Nitrile
CVH081PV 10 GAL/MIN, 38 L/MIN 5 PSI, 0.3 BAR Fluorocarbon
CVH081P10 10 GAL/MIN, 38 L/MIN 10 PSI, 0.7 BAR D-Ring (Standard)
CVH081P10N 10 GAL/MIN, 38 L/MIN 10 PSI, 0.7 BAR Nitrile
CVH081P10V 10 GAL/MIN, 38 L/MIN 10 PSI, 0.7 BAR Fluorocarbon
CVH081P30 10 GAL/MIN, 38 L/MIN 30 PSI, 2.1 BAR D-Ring (Standard)
CVH081P30N 10 GAL/MIN, 38 L/MIN 30 PSI, 2.1 BAR Nitrile
CVH081P30V 10 GAL/MIN, 38 L/MIN 30 PSI, 2.1 BAR Fluorocarbon
CVH081P65 10 GAL/MIN, 38 L/MIN 65 PSI, 4.5 BAR D-Ring (Standard)
CVH081P65N 10 GAL/MIN, 38 L/MIN 65 PSI, 4.5 BAR Nitrile
CVH081P65V 10 GAL/MIN, 38 L/MIN 65 PSI, 4.5 BAR Fluorocarbon
CVH081P100 10 GAL/MIN, 38 L/MIN 100 PSI, 6.9 BAR D-Ring (Standard)
CVH081P100N 10 GAL/MIN, 38 L/MIN 100 PSI, 6.9 BAR Nitrile
CVH081P100V 10 GAL/MIN, 38 L/MIN 100 PSI, 6.9 BAR Fluorocarbon
CVH081P150 10 GAL/MIN, 38 L/MIN 150 PSI, 10.4 BAR D-Ring (Standard)
CVH081P150N 10 GAL/MIN, 38 L/MIN 150 PSI, 10.4 BAR Nitrile
CVH081P150V 10 GAL/MIN, 38 L/MIN 150 PSI, 10.4 BAR Fluorocarbon
CVH103P 16 GAL/MIN, 60 L/MIN 5 PSI, 0.3 BAR D-Ring (Standard)
CVH103PN 16 GAL/MIN, 60 L/MIN 5 PSI, 0.3 BAR Nitrile
CVH103PV 16 GAL/MIN, 60 L/MIN 5 PSI, 0.3 BAR Fluorocarbon
CVH103P20 16 GAL/MIN, 60 L/MIN 20 PSI, 1.4 BAR D-Ring (Standard)
CVH103P20N 16 GAL/MIN, 60 L/MIN 20 PSI, 1.4 BAR Nitrile
CVH103P20V 16 GAL/MIN, 60 L/MIN 20 PSI, 1.4 BAR Fluorocarbon
CVH103P50 16 GAL/MIN, 60 L/MIN 50 PSI, 3.4 BAR D-Ring (Standard)
CVH103P50N 16 GAL/MIN, 60 L/MIN 50 PSI, 3.4 BAR Nitrile
CVH103P50V 16 GAL/MIN, 60 L/MIN 50 PSI, 3.4 BAR Fluorocarbon
CVH103P65 16 GAL/MIN, 60 L/MIN 65 PSI, 4.5 BAR D-Ring (Standard)
CVH103P65N 16 GAL/MIN, 60 L/MIN 65 PSI, 4.5 BAR Nitrile
CVH103P65V 16 GAL/MIN, 60 L/MIN 65 PSI, 4.5 BAR Fluorocarbon
CVH103P80 16 GAL/MIN, 60 L/MIN 80 PSI, 5.5 BAR D-Ring (Standard)
CVH103P80N 16 GAL/MIN, 60 L/MIN 80 PSI, 5.5 BAR Nitrile
CVH103P80V 16 GAL/MIN, 60 L/MIN 80 PSI, 5.5 BAR Fluorocarbon
CVH103P100 16 GAL/MIN, 60 L/MIN 100 PSI, 6.9 BAR D-Ring (Standard)
CVH103P100N 16 GAL/MIN, 60 L/MIN 100 PSI, 6.9 BAR Nitrile
CVH103P100V 16 GAL/MIN, 60 L/MIN 100 PSI, 6.9 BAR Fluorocarbon
CVH121P 32 GAL/MIN, 121 L/MIN 25 PSI, 1.7 BAR Nitrile
CVH121PV 32 GAL/MIN, 121 L/MIN 25 PSI, 1.7 BAR Fluorocarbon
CVH121P65 32 GAL/MIN, 121 L/MIN 65 PSI, 4.5 BAR Nitrile
CVH121P65V 32 GAL/MIN, 121 L/MIN 65 PSI, 4.5 BAR Fluorocarbon
D06B2P0.0N 132 GAL/MIN, 500 L/MIN 0 PSI, 0 BAR Nitrile
D06B2P0.0V 132 GAL/MIN, 500 L/MIN 0 PSI, 0 BAR Fluorocarbon
D06B2P0.1N 132 GAL/MIN, 500 L/MIN 1.5 PSI, 0.1 BAR Nitrile
D06B2P0.1V 132 GAL/MIN, 500 L/MIN 1.5 PSI, 0.1 BAR Fluorocarbon
D06B2P1.0N 132 GAL/MIN, 500 L/MIN 15 PSI, 1 BAR Nitrile
D06B2P1.0V 132 GAL/MIN, 500 L/MIN 15 PSI, 1 BAR Fluorocarbon
D06B2P2.1N 132 GAL/MIN, 500 L/MIN 30 PSI, 2.1 BAR Nitrile
D06B2P2.1V 132 GAL/MIN, 500 L/MIN 30 PSI, 2.1 BAR Fluorocarbon
D06B2P3.4N 132 GAL/MIN, 500 L/MIN 50 PSI, 3.4 BAR Nitrile
D06B2P3.4V 132 GAL/MIN, 500 L/MIN 50 PSI, 3.4 BAR Fluorocarbon
D06B2P4.1N 132 GAL/MIN, 500 L/MIN 60 PSI, 4.1 BAR Nitrile
D06B2P4.1V 132 GAL/MIN, 500 L/MIN 60 PSI, 4.1 BAR Fluorocarbon
D06B2P7.5N 132 GAL/MIN, 500 L/MIN 109 PSI, 7.5 BAR Nitrile
D06B2P7.5V 132 GAL/MIN, 500 L/MIN 109 PSI, 7.5 BAR Fluorocarbon
CVH161P 60 GAL/MIN, 225 L/MIN 5 PSI, 0.3 BAR Nitrile
CVH161PV 60 GAL/MIN, 225 L/MIN 5 PSI, 0.3 BAR Fluorocarbon
CVH161P20 60 GAL/MIN, 225 L/MIN 20 PSI, 1.4 BAR Nitrile
CVH161P20V 60 GAL/MIN, 225 L/MIN 20 PSI, 1.4 BAR Fluorocarbon
CVH161P65 60 GAL/MIN, 225 L/MIN 65 PSI, 4.5 BAR Nitrile
CVH161P65V 60 GAL/MIN, 225 L/MIN 65 PSI, 4.5 BAR Fluorocarbon
CVH161P125 60 GAL/MIN, 225 L/MIN 125 PSI, 8.6 BAR Nitrile
CVH161P125V 60 GAL/MIN, 225 L/MIN 125 PSI, 8.6 BAR Fluorocarbon
CVH161P175 60 GAL/MIN, 225 L/MIN 175 PSI, 12.1 BAR Nitrile
CVH161P175V 60 GAL/MIN, 225 L/MIN 175 PSI, 12.1 BAR Fluorocarbon
CVH201P 80 GAL/MIN, 303 L/MIN 5 PSI, 0.3 BAR Nitrile
CVH201PV 80 GAL/MIN, 303 L/MIN 5 PSI, 0.3 BAR Fluorocarbon
CVH201P20 80 GAL/MIN, 303 L/MIN 20 PSI, 1.4 BAR Nitrile
CVH201P20V 80 GAL/MIN, 303 L/MIN 20 PSI, 1.4 BAR Fluorocarbon
CVH201P65 80 GAL/MIN, 303 L/MIN 65 PSI, 4.5 BAR Nitrile

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