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Screw-in cartridge valves
Check valves
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Check valves

Eaton provides a wide range of direct- or pilot-operated check valves for your cartridge or in-line hydraulic circuit applications. Choose from simple, cost-saving load-bearing devices to optional adjustable override releases. Our unique, compact designs deliver low pressure drops for excellent repeatability and stability.
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Features
Low spring settings
Pressure rating
Up to 350 bar (5,000 psi)
Flow rating
Up to 227 L/min (60 gal/min)

Versatile design and use

  • Direct-operated check valves can be used as conventional check valves or as low-pressure relief valves.
  • Pilot-operated check valves can be used as position load-locking valves or as an alternative to some counterbalance valves.

 

Simple load-holding at a great value

Use Eaton check valves as a low-cost alternative to more complex solutions wherever overrunning loads and/or load-release control speed are not factors. A 3:1 pilot ratio satisfies simple load-holding requirements, while providing smooth operation and longer operating life.

 

Hardened and ground materials

All of Eaton's check-valve cartridges have hardened and ground poppets and sharp-edged ground-steel seats, which provide durability, dirt tolerance, reliable seating and fast cycling.

Enhanced corrosion protection

Eaton cartridge valves and coils can be supplied with either zinc or zinc nickel plating, and aluminium manifolds can be anodised to improve corrosion resistance.

 

Wide variety of standard housing and port options

To maximise potential applications, Eaton check valves are offered with SAE and BSPP port options in the following configurations:

  • In-line single or dual
  •  SAE, 4-bolt, code 61
  • Close-coupled, nipple-mounted
  • Gasket-mounted single or dual

Featured resources

Create custom manifold designs quickly and easily

Eaton's circuit design software studio walks you through the process of designing a manifold. Start by accessing step-by-step training modules and end with a quote for everything you need.
Circuit design software studio

CAD resources

Access 3D solid models of Eaton's screw-in cartridge valves (SiCVs) and industrial valves for use in designing custom manifolds, and download a library of SiCV symbols, containing more than 1,000 symbols for use in hydraulic system design.
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Hands-on help from an engineer

Sometimes it’s just easier to talk to somebody in person. Get in-person technical support for your next custom manifold design project from local application engineers.
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Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic and mechanical power – more safely, more efficiently and more reliably. Eaton’s 2019 revenues were $21.4 billion, and we sell products to customers in more than 175 countries. We have approximately 97,000 employees.
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