Model: RPEE
Fast-acting, pilot-operated, balanced piston relief valve
Cavity: T-10A | Capacity:
Technical specifications
Fast-acting, pilot-operated, balanced piston relief cartridges are normally closed, pressure-limiting valves used to protect hydraulics components from pressure transients. Fast opening and closing is gained at the expense of smoothness. When the pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to limit the pressure rise. These valves have low pressure rise vs. flow and are very fast.
- All 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size).
- Will accept maximum pressure at port 2; suitable for use in cross port relief circuits. If used in cross port relief circuits, consider spool leakage.
- Main stage orifice is protected by a 150-micron stainless steel screen.
- Not suitable for use in load holding applications due to spool leakage.
- Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
- 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.
- 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
- Capacity25 gpm
- Maximum Operating Pressure5000 psi
- Factory Pressure Settings Established at4 gpm
- Maximum Valve Leakage at 110 SUS (24 cSt)2 in³/min.@1000 psi
- Response Time - Typical2 ms
- Adjustment - No. of CW Turns from Min. to Max. setting5
- Valve Hex Size7/8 in.
- Valve Installation Torque30 - 35 lbf ft
- Adjustment Screw Internal Hex Size5/32 in.
- Locknut Hex Size9/16 in.
- Locknut Torque80 - 90 lbf in.
- Model Weight.30 lb
- Seal kit - Cartridge
- Seal kit - Cartridge
- Seal kit - Cartridge
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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