04.10.2018
Kategorie: Flyer

SUN FLeX-Serie™ Druckbegrenzungsventile und Spulen

Premium-Leistung und FLeXible Konfiguration - von SUN Hydraulics

SUN Hydraulics new solenoid-operated valves join the FLeX-Series™ lineup.

New to SUN's cartridge portfolio and to the FLeX Series family, we present four new solenoid-operated relief valves. With a 2-stage, field-adjustable design, they offer precise and dependable pressure regulation with up to 25-gpm (100-L/min) flow rates.

SUN's RVC* valves are the only family of valves on the market that offer fully adjustable, ventable and blockable relief functions.The RVC* valves are designed to reduce the complexity and improve the reliability and safety of your systems. 

  • Reduces complexity: these valves combine the functionality of two valves into one body and one cavity, reducing materials and creating a more compact and efficient system.

  • Improves reliability: the main stage orifice is protected by a 150-micron stainless steel screen for extended product life.

  • Improves safety: the adjustment screw is leak-free and contains a mechanical stop to prevent the screw from backing out, offering safe, reliable field adjustment

Models available:

These are 2-stage, balanced piston reliefs. In relief mode, the valves open to tank (port 2), throttling flow to regulate the pressure when the pressure at the inlet (port 1) reaches the valve setting, which is adjustable. Energizing the solenoid activates or deactivates the relief function. Four versions are available:

  • RVCK - Normally vented, energize to relief
  • RVCL - Normally in relief, energize to vent
  • RVCM - Normally in relief, energize to block
  • RVCN - Normally blocked, energize to relief


Designed with applications in mind:

Across the board, the unique design of the RVC* family can reduce complexity in mobile and industrial hydraulic systems. The 2-stage design combines two cartridges in one, reducing complexity and overall cost. See an example circuit on the left, or open the full data sheet for more circuit diagrams.

The RVC* valves are also ideal in fixed displacement pump applications. Each model in the RVC* valve family presents a distinct advantage to specific hydraulic systems and applications. 

  • RVCK - Use for pump start-up to unload until pressure is built, eliminating stress on the system, then energize during operation. 

  • RVCL - Allows the user to energize at start-up and de-energize during operations to keep power consumption lower during use.

  • RVCM - Ideal in circuits that require two pressure settings, one with a high setting at acceleration, and one with a setting that is constant. The blockable RVCM regulates pressure throughout. 

  • RVCN - Use the relief function to preload the cylinder and avoid decompression shock in systems built for high capacities. 

Applying the RVC* in specific hydraulic systems is explained further in the full data sheet, complete with circuit diagrams. Click here to download.

Compatible with SUN's new XMD mobile drivers for finely tuned control for demanding electro-hydraulic applications. 350bar/5000psi valves use either the 740 Series high-power coils or the 747 Series explosion-proof coils.

FLeX-Series standard & explosion-proof coils


Simple, safe, secure

  • For more technical features also visit our partner's site SUN Hydraulics
  • worldwide support

Get more Information: Product Flyer

Inquiries and orders to sales(at)atphydraulik or got to ATP Hydraulik Shop


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