Pilot Operated Relief Valves | Product Series

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Pilot Operated Relief Valves

Pilot Operated Relief Valves

Distributører

Parker’s pilot operated relief valves are designed for continuous duty applications featuring great stability with low pressure drop; working with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm).

Tekniske specifikationer

  • Flowhastighed: 20, 30, 50, 53, 80, 100, 106 gal/min, 75.8, 113, 189.5, 200, 302.8, 379, 400 L/min
  • Maksimalt indløbstryktrin: 3000, 5000, 5500, 6000 psi, 210, 350, 380, 420 bar
  • Trykreguleringsområde: 100 to 1000 psi, 100 to 2000 psi, 200 to 2000 psi, 145 to 3000 psi, 200 to 3000 psi, 300 to 3000 psi, 200 to 5000 psi, 500 to 5000 psi, 145 to 6000 psi, 6.9-69, 6.9-138, 13.8-138, 10-210, 13.8-210, 20.7-210, 13.8-350, 34.5-350, 10-420 bar
  • Justeringsmekanisme: Fixed, Knob, Screw, Tamper Resistant
  • Pakningsmateriale: D-Ring (Standard), Fluorocarbon, Nitrile
  • Maks. flowhastighed: 20, 30, 50, 53, 80, 100, 106 gal/min, 75.8, 113, 189.5, 200, 302.8, 379, 400 L/min
  • Maks. driftstryk: 3000, 5000, 5500, 6000 psi, 210, 350, 380, 420 bar
  • Maksimalt beholdertryk: 5000, 6000 psi, 350, 420 bar
  • Standard trykindstilling: 500, 1000, 1450, 1500, 2500, 2900 psi, 34.5, 69, 100, 103.5, 172.4, 200 bar
  • Maks. trykindstilling: 1000, 2000, 3000, 5000, 6000 psi, 69, 138, 210, 350, 420 bar
  • Trykreguleringsfølsomhed: N/A, 285 per turn, 334 per turn, 435 per turn, 539 per turn, 570 per turn, 800 per turn, 855 per turn, 867 per turn, 1711 per turn, 1910 per turn psi, N/A, 19.6 per turn, 23 per turn, 30 per turn, 37 per turn, 39.3 per turn, 55 per turn, 59 per turn, 59.7 per turn, 118 per turn, 131.6 per turn bar
  • Nulstillet tryk: N/A, 80% of pressure setting, 90% of pressure setting
  • Aktiveringstype: Pressure Sensing
  • Konfiguration: Pressure Relief
  • Lækagehastighed: 82 @ 75% Crack Pressure, 5 per @ 100 psi (6.8 bar) setting, 100 @ 1450 psi (100 bar) cm3/min
  • Monteringstype: Screw in cartridge valve
  • Form størrelse: C08-2, C10-2, C12-2, C16-2, C20-2
  • Funktion: Pilot Operated
  • Betjeningstype: Automatic
  • For væsketype: Mineral-based or synthetic hydraulic fluids
  • Maksimal kinematisk viskositet: 45-2000 SSU (6 to 420 cSt)
  • Filters effektivitetsklassificering: ISO 4406 18/16/13, SAE Class 4
  • Ventilmateriale: All parts steel. All operating parts hardened steel
  • Installationsmoment: 21, 32-36, 37, 51-55, 56, 74, 92-96, 98, 121-125 lb-ft, 28, 43-49, 50, 69-75, 76, 100, 124-130, 133, 164-170 Nm
  • Driftstemperatur: -35 to +200, -30 to +250, -15 to +400 °F, -37 to +93, -34 to +121, -26 to +204 °C
  • Maks. driftstemperatur: +200, +250, +400 °F, +93, +121, +204 °C
  • Mindste driftstemperatur: -35, -30, -15 °F, -37, -34, -26 °C
  • Vægt: 0.2 to 2 lbs, 0.09 to 0.9 kg
  • "Body" materiale: N/A
Safety Warning

Fuld produktbeskrivelse

Parker’s pilot operated relief valves provide a stable design with low pressure drop meant for continuous duty applications while operating with less hydraulic noise. These valves can work with pressures up to 420 bar (6000 psi) and flows up to 400 lpm (106 gpm) in a reliable and compact design. Parker’s pilot operated relief valves are ideal for limiting system pressure or in standard relief valve applications within mobile and industrial equipment such as agricultural, aerial, refuse, industrial power unit systems, mining equipment, and other heavy duty fluid power pressure control circuits.

Markets:
• Miscellaneous Industrial
• Miscellaneous Manufacturing
• Miscellaneous Mobile

Features/Benefits:
• High pressure and flow capacity
• Low leak ball and poppet designs
• Compact design
• Internal screens
• Hardened, precision ground parts for durability
• All external parts zinc plated

Applications:
• System pressure limiter
• Port/cross-port relief
• Swing relief
• Motor braking

Additional Technical Insight:
This family of valves is best suited for continuous duty systems where the valve is asked to operate beyond any intermittent use.  They can be used to maintain system pressure for long periods of time.  Additionally, where systems may have large rates of change in flow, the pilot operated valves can accommodate these changes without excessive pressure rise or sometimes called pressure override.  Due to the flow opening areas through the valve, these spool type valves will operate more quietly than a conventional direct acting valve. One must also consider the leakage component as the spool is, by design, going to pass a small leakage flow, whereas a direct acting valve does not pass significant flow until the cracking pressure is reached.  Spool type relief valves should not be used in load holding application.

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Produkter Flowhastighed Maksimalt indløbstryktrin Trykreguleringsområde Justeringsmekanisme Pakningsmateriale
A06G2HZN 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-3000 PSI, 10-210 BAR Screw Nitrile
A06G2HZV 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-3000 PSI, 10-210 BAR Screw Fluorocarbon
A06G2HWN 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-3000 PSI, 10-210 BAR Knob Nitrile
A06G2HTN 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-3000 PSI, 10-210 BAR Tamper Resistant Nitrile
A06G2PZN 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-6000 PSI, 10-420 BAR Screw Nitrile
A06G2PZV 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-6000 PSI, 10-420 BAR Screw Fluorocarbon
A06G2PWN 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-6000 PSI, 10-420 BAR Knob Nitrile
A06G2PWV 106 GAL/MIN, 400 L/MIN 6000 PSI, 420 BAR 145-6000 PSI, 10-420 BAR Knob Fluorocarbon
A04G2HZN 53 GAL/MIN, 200 L/MIN 6000 PSI, 420 BAR 145-3000 PSI, 10-210 BAR Screw Nitrile
A04G2PZN 53 GAL/MIN, 200 L/MIN 6000 PSI, 420 BAR 145-6000 PSI, 10-420 BAR Screw Nitrile

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