Pilot Operated Sequence Valves | Product Series

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Flujo nominal (gpm)

Ajuste del rango de presión (psi)

Opción del piloto

Opción de drenaje

Tipo de ajuste

Presión de fisuración (psi)

Material de la junta

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Pilot Operated Sequence Valves

Pilot Operated Sequence Valves

Puntos de venta

Parker’s pilot operated sequence valves can be internally or externally piloted to allow multiple actuators to work in sequence based on pressure settings; working with flows up to 152 lpm (40 gpm) and pressures up to 380 bar (5500 psi).

Especificaciones técnicas

  • Índice de caudal máximo: 12, 15, 40 gal/min, 45, 56.3, 151.6 L/min
  • Rango de presión de entrada máxima: 5500 psi, 380 bar
  • Rango de control de presión: N/A, 100-1000, 100-2000, 200-2000, 200-3000, 200-5000, 300-1000, 300-3000, 500-5000 psi, N/A, 6.9-69, 6.9-138, 13.8-138, 13.8-210, 13.8-350, 20.7-69, 20.7-210, 34.5-350 bar
  • Mecanismo de ajuste: Fixed, Knob, Screw, Tamper Resistant
  • Material de la junta: D-Ring (Standard), Fluorocarbon, Nitrile
  • Caudal: 12, 15, 40 gal/min, 45, 56.3, 151.6 L/min
  • Caudal de drenaje máximo: 0.15, 0.2, 0.25, 0.29, 0.4, 0.5, 0.58, 0.82, 1 gal/min, 0.56, 0.76, 0.94, 1.08, 1.53, 1.87, 2.19, 3.1, 3.79 L/min
  • Presión de trabajo máxima: 5500 psi, 380 bar
  • Presión del depósito máxima: 5000 psi, 350 bar
  • Presión de ajuste estándar: 500, 1000, 1500, 2500 psi, 34.5, 69, 103.5, 172.4 bar
  • Presión de reasentamiento: 80% of set pressure, 90% of set pressure
  • Ajuste de presión máxima: 1000, 2000, 3000, 5000 psi, 69, 138, 210, 350 bar
  • Sensibilidad de control de presión: N/A, 285 per turn, 334 per turn, 539 per turn, 570 per turn, 855 per turn, 867 per turn, 1711 per turn, 1910 per turn psi, N/A, 19.6 per turn, 23 per turn, 37 per turn, 39.3 per turn, 59 per turn, 59.7 per turn, 118 per turn, 131.7 per turn bar
  • Tasa de fuga: 5 per 100 PSI (6.8 BAR) setting, 82 @ 3000 PSI (210 BAR), 82 @ 75% Crack Pressure cm3/min
  • Opción de drenaje: External, Internal
  • Ubicación del piloto: External, Internal
  • Tipo de montaje: Line Mounted, Threaded Cartridge Valve
  • Tamaño de la cavidad: N/A, C08-3, C10-3, C16-3
  • Tamaño del puerto: N/A, SAE-8
  • Material del cuerpo: N/A, Steel
  • Presión de fisuración: N/A, 5, 20, 50, 65, 100 psi, N/A, 0.3, 1.4, 3.5, 4.5, 6.9 bar
  • Tipo de accionamiento: Pressure Sensing
  • Función: Pilot Operated Sequence
  • 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: N/A, 32-36, 51-55, 73 lb-ft, N/A, 43-49, 69-75, 99 Nm
  • Temperatura de funcionamiento: -35 to +200, -30 to +250, -15 to +400 °F, -37 to +93, -34 to +121, -26 to +204 °C
  • Temperatura máxima de funcionamiento: +200, +250, +400 °F, +93, +121, +204 °C
  • Temperatura mínima de funcionamiento: -35, -30, -15 °F, -37, -34, -26 °C
  • Peso: 0.25 to 3.5 lbs, 0.11 to 1.6 kg
Safety Warning

Descripción completa del producto

Parker’s selection of pilot operated sequence valves provide superior stability and are designed for sequenced applications with pressures up to 380 bar (5500 psi) and flows up to 152 lpm (40 gpm) in a variety of sizes. The variety of pressure adjustment styles and piloted or vented controls makes these valves an ideal solution for controlling multiple circuit sections that operate at different pressure settings. Normally-open and normally-closed valves are available in a 2 position 2-way configuration and can be either internally or externally drained depending on application needs. These pilot operated sequence valves can be used within clamping circuits or high/low system applications within several industrial and mobile markets.

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

Features/Benefits:
• High pressure and flow capacity
• Internal screens for pilot spring protection
• Low profile designs
• Hardened, precision ground parts for durability
• All external parts zinc plated

Applications:
• Dump circuits
• High/low systems
• Sequencing applications

Additional Technical Insight:
SVH081, SVH101, and SVH161 pilot operated sequence valves are internally piloted and externally drained.  All three versions are normally closed spool-type valves that prevent flow from passing through the valve until the adjustable pressure setting is reached.  When the inlet pressure exceeds the sequence setting the valve is internally piloted open allowing flow downstream to a secondary function.  An external drain port plumbed directly to tank ensures that downstream pressure does not affect the pressure setting.  Clamp and machine, or unlock and dump, are typical applications since they require one function to happen before another one.

SVH102 and SVH162 are externally piloted and internally drained sequence valves.  Both are normally closed and prevent flow from passing through the valve when the pilot pressure is below the pressure setting.  When the external pilot source exceeds the adjustable pressure setting, the valve opens allowing flow to go downstream.  Back pressure on the downstream port is added to the valve setting due to the internal drain, therefore it is most common to connect the sequenced port to tank.  High-Low Pump Unloading is a common application.

SVCH101 is an inline mounted combination of an internally piloted, externally drained sequence valve and a reverse flow check.  An SVH101 sequence valve and a CVH103 check valve are incorporated into a single body with SAE-8 work ports and an SAE-6 drain.

Documentos relacionados

Literature and Reference Materials
HVS Global Cartridge Valve Catalog MSG15-3504
MSG15-3504 Pressure Control Valves Catalog Pages - All
Pressure Control Valves Technical Tips
Selector Guides
Competitive Crossover Tool
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