Valves - Directional Controls - Check Valve

CV04-20

CHECK VALVE

Overview

Description

The CV04-20 is a screw-in, cartridge style, hydraulic check valve for use as a blocking or load-holding device

Operation

The cartridge valve allows flow from port 1 to 2, while normally blocking flow in the opposite direction. The cartridge valve has a fully guided check which is spring biased closed until sufficient pressure is applied at port 1 to open to port 2

Ratings

Pressure Ratings
Pressure rating
241 bar (3500 psi)
Flow Ratings
Flow rating
7.6 lpm (2 gpm)
Maximum internal leakage
0.10 ml/min (2 drops/min) At 241 bar (3500 psi)
Temperature Ratings
Maximum operating fluid temperature
-40 to 100 °C (-40 to 212 °F) With buna N seals
-26 to 204 °C (-15 to 400 °F) With fluorocarbon seals
-54 to 107 °C (-65 to 225 °F) With polyurethane seals
Storage temperature
-40 to 70 °C (-40 to 160 °F)
Ambient temperature
-40 to 90 °C (-40 to 194 °F)
Other Ratings
Corrosion protection
960 hr salt spray per ASTM b117 (gcv04-20)

Operating Parameters

Fluids
Mineral based or synthetic hydraulic fluid with lubricating properties
Fluid viscosity range
7.4 to 420 cSt
Maximum operating contamination level
20/18/14 per ISO 4406

Properties

Cartridge weight
0.01 kg (0.03 lb)
Internal wetted surface area
16 cm² (2.5 in²)

Performance

CV04-(B)20_Perf_Chrt

Dimensions

CV04-(B)20_Dim_Dwg

Installation Specifications

Cavity
VC04-2
Cartridge installation torque
16.3 to 19.0 N-m (12 to 14 ft-lb)
Maximum allowable torque
27.1 N-m (20 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK04-2X-T X = seal option

Order code

POSITION
CODE
DESCRIPTION
CV04-20-H-J-R
H
Line Body
H
0
No Body
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
J
U
PPDI Urethane
R
Spring
R
5
5 psi Bias Spring
CV04-(B)20_Order