Check Valve with Thermal Relief | Product Series

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Check Valve with Thermal Relief

Check Valve with Thermal Relief

Parker’s poppet style check valve with thermal relief allow flows up to 130 lpm (40 gpm) and pressure to 420 bar (6,000 psi), with thermal relieving in the reverse direction to protect the circuit from high hydraulic fluid thermal expansion pressures.

Especificaciones técnicas

  • Caudal: 40 gal/min, 130 L/min
  • Presión de fisuración: 36, 102 psi, 2.5, 7 bar
  • Ajuste de alivio de presión: 507, 1305, 3553, 4000 psi, 35, 90, 245, 276 bar
  • Material de la junta: Nitrile, Fluorocarbon
  • Tipo de accionamiento: Pressure Sensing
  • Configuración: Poppet Type
  • Índice de caudal máximo: 40 gal/min, 130 L/min
  • Tipo de montaje: Screw in cartridge valve
  • Tipo de operación: Check Valve w/Relief Feature
  • Rango de presión de entrada máxima: 6000 psi, 420 bar
  • Presión de trabajo máxima: 6000 psi, 420 bar
  • Tasa de fuga: 3 @ crack pressure drops/min
  • Tamaño de la cavidad: C10-2
  • Función: Thermal Relief
  • Dirección de flujo: Bi-directional
  • Para tipo de fluido: Mineral-based or synthetic hydraulic fluids
  • Viscosidad cinemática máxima: 45-2000 SSU (6 to 420 cSt)
  • Clasificación de eficiencia del filtro: ISO 4406 18/16/13, SAE Class 4
  • Material de la válvula: All parts steel. All operating parts hardened steel
  • Par de instalación: 37 lb-ft, 50 Nm
  • Temperatura de funcionamiento: -30 to +250, -15 to +400 °F, -34 to +121, -26 to +204 °C
  • Temperatura máxima de funcionamiento: +250, +400 °F, +121, +204 °C
  • Temperatura mínima de funcionamiento: -30, -15 °F, -34, -26 °C
  • Peso: 0.29 lb, 0.13 kg
  • Material del cuerpo: N/A
  • Tamaño de la conexión: N/A
  • Tipo de conexión: N/A

Descripción completa del producto

Parker’s poppet style check valve with integrated thermal relief is capable of flows up to 130 lpm (40 gpm) and pressures up to 420 bar (6,000 psi).  This unique thermal relief valve is designed to help protect the circuit from hydraulic fluid thermal expansion due to ambient or system temperature rise.  Additionally, this valve will also act to relieve pressure spikes due to shocks seen by the hydraulic system.  Circuit designers can also utilize a Parker supplied pilot spool to create a pilot operated check valve with the thermal relief functions.

Markets:
• Aerial
• Construction Equipment
• Forestry Equipment
• Material Handling Equipment
• Miscellaneous Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile

Features/Benefits:
• Poppet type for minimal leakage – less than 3 drops/min
• Hardened working parts for maximum durability
• Relief feature to give thermal and shock relief
• Single and dual pilot pistons available to create pilot to open check
• Compact design
• High tolerance for contamination
• All external parts zinc plated

Applications:
• Machinery in hot work environments
• Actuators that experience high levels sun exposure
• Implements that may be detached from main hydraulic circuit for long periods of time
• Applications or machinery that contains quick disconnect couplers

Additional Technical Insight:
Can also use a Parker supplied pilot spool to create a pilot operated check valve with the thermal relief functions. This valve’s operation allows free flow from port 1 to 2 and integral thermal relief function from port 2 to 1 to protect the circuit from thermal expansion of hydraulic fluid.

Documentos relacionados

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Productos Caudal Presión de fisuración Ajuste de alivio de presión Material de la junta
D04F2-2.5-35N 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 507 PSI, 35 BAR Nitrile
D04F2-2.5-35V 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 507 PSI, 35 BAR Fluorocarbon
D04F2-2.5-90N 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 1305 PSI, 90 BAR Nitrile
D04F2-2.5-90V 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 1305 PSI, 90 BAR Fluorocarbon
D04F2-2.5-245N 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 3553 PSI, 245 BAR Nitrile
D04F2-2.5-245V 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 3553 PSI, 245 BAR Fluorocarbon
D04F2-2.5-276N 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 4000 PSI, 276 BAR Nitrile
D04F2-2.5-276V 40 GAL/MIN, 130 L/MIN 36 PSI, 2.5 BAR 4000 PSI, 276 BAR Fluorocarbon
D04F2-7.0-35N 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 507 PSI, 35 BAR Nitrile
D04F2-7.0-35V 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 507 PSI, 35 BAR Fluorocarbon
D04F2-7.0-90V 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 1305 PSI, 90 BAR Fluorocarbon
D04F2-7.0-245N 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 3553 PSI, 245 BAR Nitrile
D04F2-7.0-245V 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 3553 PSI, 245 BAR Fluorocarbon
D04F2-7.0-276N 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 4000 PSI, 276 BAR Nitrile
D04F2-7.0-276V 40 GAL/MIN, 130 L/MIN 102 PSI, 7 BAR 4000 PSI, 276 BAR Fluorocarbon

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