SUN Hydaulics RPEC-JAN Balanced Piston Relief Valve Capped Screw Adjustment 7-210 Bar Adjusment Range

SUN Hydaulics RPEC-JAN Balanced Piston Relief Valve Capped Screw Adjustment 7-210 Bar Adjusment Range

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SUN Hydraulics RPEC-JAN
 Balanced Piston Relief Valve

 


Sun Hydraulics has established a strong foundation for consistently delivering exceptional performance in all aspects of their business. From product design and service delivery, Sun Hydraulics stands out in the industry.

Since the beginning, Sun products have been setting the standard for the screw-in hydraulic cartridge valve industry. Sun's floating cartridge construction and cavity design approach allows products to operate precisely and reliably at higher pressures and flow rates in the most demanding applications. The generous porting area, coupled with our manifold design and construction techniques, result in integrated packages that can be up to 50% smaller than competitive offerings.

Sun cartridge valves are offered in five primary sizes, with flow capacity and controlled horsepower doubling with each successive size. Within each broad functional area (pressure, flow, load control, etc.), multiple variations are available to help you optimize your control circuit, from individual valves to complete integrated packages. Their expansive product line allows you to develop the best control solution for your hydraulic application.


Balanced-piston relief cartridges are normally closed pressure regulating valves. When the pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to regulate the pressure. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately 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.
  • 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.
  • 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.

 

Technical Specification

Control - Capped Screw Adjustment
Adjustment Range - 7 - 210 Bar / 100 - 3000 PSI / 1000 PSI (70 Bar) Standard Setting
Seal Material - Buna-N

Cavity T-10A
Series 1
Capacity 95 L/min.
Maximum Operating Pressure 350 bar
Factory Pressure Settings Established at 15 L/min.
Maximum Valve Leakage at 110 SUS (24 cSt) 30 cc/min.@70 bar
Response Time - Typical 10 ms
Adjustment - No. of CW Turns from Min. to Max. setting 5
Valve Hex Size 22,2 mm
Valve Installation Torque 41 - 47 Nm
Adjustment Screw Internal Hex Size 4 mm
Locknut Hex Size 15 mm
Locknut Torque 9 - 10 Nm
Model Weight 0.14 kg.
Seal kit - Cartridge Buna: 990010007
Seal kit - Cartridge EPDM: 990010014
Seal kit - Cartridge Polyurethane: 990010002
Seal kit - Cartridge Viton: 990010006

*Note: Data may vary by configuration.






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The purchaser of these items must ensure that they are satisfactory for use in the application for which they are intended.
No responsibility can be accepted if any products are incorrectly or inadequately fitted.
Goods may not be exact to image shown.