Directional Valves

DCV10 — Lock Valve
Selection guide - similar valves.
PDF file of this page.
Request a quote.

DCV10 Valve

DCV10 Valve symbol

An in-line housed, double pilot-operated, hydraulic check valve, with optional thermal
reliefs, for blocking or load-holding circuits.

The DCV10 allows flow from V ports to C ports, while normally blocking flow in the opposite
direction. Flow will be allowed from C to V when pressure is applied to the opposite side V port.
This valve has a 4:1 pilot ratio, meaning that at least one-fourth of the load pressure held at
either C port is required at the opposite V port to open the flow passage.
The check is spring-biased at 2 bar (30 psi) to assure holding in static or no-load conditions.
An optional sealed pilot piston with check spring bias of 6.9 bar (100 psi) is available.
Optional thermal reliefs are preset to 348 bar (5050 psi) as standard.
NOTE: Thermal reliefs cannot be used with sealed pistons.

• Hardened seat for long life and low leakage.
• Optional sealed piston.
• Optional cartridge thermal relief(s).
• Optional spring ranges.
• Low pressure drop.
• Check section is serviceable as a cartridge.

Flow: up to 76 lpm (20 gpm)
Optional Thermal Relief Factory Setting: 348 38 bar (5050 550 psi)
Thermal Relief Reseat: 207 bar (3000 psi)
Maximum Internal Leakage:
Cx to Vx: 0.25 cc/minute (5 drops/minute) at 207 bar (3000 psi)
   V1 to V2: (without sealed piston) 328 cc/minute (20 cu. in./minute) at 240 bar (3500 psi)
Pilot Ratio: 4:1
Check Spring Bias: 2.07 bar (30 psi); With sealed piston option: 6.9 bar (100 psi)
Temperature: -40 to 100°C (-40 to 212°F) with Buna seals;
   -26 to 204°C (-15 to 400°F) with Fluorocarbon seals.
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
   7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Seal Kit (for CV10-2x): SK10-2x-T (2 required); See page 8.650.1
Pilot Piston Service Part Numbers:
   O-Ring (1): Buna 6001014; Fluorocarbon 6003014
   Back-ups (2): Buna 6011014; Fluorocarbon 6011014


DCV10 Valve Performance Chart

DCV10 Valve Dimensions


Cartridge (CV10-20): Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and polyester elastomer back-ups standard.

Pilot Piston: Hardened Steel.

Ported Body: Anodized high-strength
6061 T6 aluminum alloy, rated to
207 bar (3000 psi). Ductile iron bodies available; dimensions may differ; consult factory.

Product Weight: 0.68 kg (1.28 lbs).

DCV10 Ordering Chart

Selection guide - similar valves.
PDF file of this page. Request a quote.