DIRECTIONAL VALVES

CV06-B20 Check Valve

DESCRIPTION

A screw-in, cartridge-style, hydraulic check valve for blocking or load-holding.

OPERATION

The CV06-B20 allows ﬂ ow from ➀ to ➁, while normally blocking ﬂ ow in the opposite

direction. The cartridge is spring-biased closed until sufﬁ cient pressure is applied at

➀ to open to ➁.

FEATURES

• Hardened seat for long life and low leakage.

• Fully guided check assembly.

• Small size.

• Fast closing and seating.

RATINGS

Operating Pressure: 345 bar (5000 psi)

Proof Pressure: 690 bar (10,000 psi)

Burst Pressure: greater than 828 bar (12,000 psi)

Flow: up to 7.6 lpm (2 gpm)

Internal Leakage: 0.10 cc/minute (2 drops/minute) max. at 34.5 bar (500 psi)

and 345 bar (5000 psi) from port 1, port 2, inlet

Operating Temperature: -54°C to 107°C (-65°F to 225°F)

Filtration: Recommend 25µ nominal or better; 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

Cavity: VC06-B2; See page 9.106.1

Cavity Tool: CT06-B2xx; See page 8.600.1

SYMBOL

4.006.1

PERFORMANCE (Cartridge Only)

HYDRAFORCE

.com

1.9

0.5

FLOW lpm/gpm

PRESSURE DROP bar/psi

Port 1 to 2

32 cSt/150 sus oil at 40°C

7.6

2.0

3.8

1.0

5.7

1.5

2.76/40

3.45/50

2.07/30

1.38/20

0.69/10

Blue rectangles are links to other catalog pages.

CV06-B20 - __ __ __ - __ __

Cartridge: Weight: 0.023 kg. (0.05 lbs.)

Steel with hardened work surfaces.

Zinc-plated exposed surfaces.

MATERIALS

TO ORDER

DIMENSIONS

4.006.2

CV06-B20

Bias Spring

5 0.34 bar (5 psi)

Porting

0 Cartridge Only

HYDRAFORCE

.com

9/16–18 UNF-2A

THREAD

0.31

HEX

8.0

1.26

32.1

INCH

MILLIMETRE

PORT

HEX SOCKET

TORQUE –

7 to 8 ft-lbs

(9.5 to 10.8 Nm)