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Model

RBACLAN

Control
Adjustment Range
Seal Material
Material/Coating

Direct-acting relief valve - pilot capacity

Cavity: T-10A | Capacity:

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Model

RBACLAN

Control
Adjustment Range
Seal Material
Material/Coating

Technical specifications

Direct-acting, pilot relief cartridges are used to remotely control the pressure setting of other pilot-operated valves. Because capacity is limited to pilot flow, these valves should be used with other higher flow valves.

  • Main stage orifice is protected by a 150-micron stainless steel screen.
  • Suitable for use in load holding applications.
  • Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
  • Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
  • W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve.
  • Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES.
  • Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.
  • Cavity
  • Series
  • Capacity
    .25 gpm
  • Maximum Operating Pressure
    5000 psi
  • Maximum Valve Leakage at 110 SUS (24 cSt)
    5 drops/min.
  • Response Time - Typical
    2 ms
  • Adjustment - No. of CW Turns from Min. to Max. setting
    5
  • Valve Hex Size
    7/8 in.
  • Valve Installation Torque
    30 - 35 lbf ft
  • Adjustment Screw Internal Hex Size
    5/32 in.
  • Locknut Hex Size
    9/16 in.
  • Locknut Torque
    80 - 90 lbf in.
  • Model Weight
    .30 lb
  • Seal kit - Cartridge
  • Seal kit - Cartridge
  • Seal kit - Cartridge
  • Seal kit - Cartridge

Model CAD Files

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Symbol CAD Files

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  • What parts of the Sun cartridge valve are field serviceable?
  • What are the tolerances on pressure settings for Sun's pressure control valves?
  • Where would I use a kick-down relief?
  • Can I use a kick-down relief for my system relief?
  • How big is a drop of hydraulic oil?  
  • Direct acting or pilot operated - what do I use?
  • For Series 1 cartridges configured with an O control (panel mount handknob), a .75 in. (19 mm) diameter hole is required in the panel.

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