Valves - Directional Controls - Check Valve - Pilot Operated

DC10-40

DUAL PILOT OPERATED CHECK VALVE

Overview

Description

The DC10-40X is a cartridge style, dual pilot operated check valve for use in blocking or load holding circuits with general purpose hydraulic fluids

Operation

The valve has option of thermal relief from port 4 to 3

Features

  • Hardened seat for long life and low leakage.
  • Low pressure drop.
  • Optional thermal relief.

Ratings

Pressure Ratings
Pressure rating
241 bar (3500 psi)
Thermal relief crack pressure
310 to 386 bar (4500 to 5600 psi)
Pilot ratio
3:1
Flow Ratings
Flow rating
45.4 lpm (12 gpm)
60.6 lpm (16 gpm) Maximum
Thermal relief leakage
0.25 ml/min (5 drops/min) At up to 85% of crack pressure
Maximum check valves leakage
0.25 ml/min (5 drops/min) At 207 bar (3000 psi)
Temperature Ratings
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
Gdc10-40x - 960 hour salt spray per ASTM b117

Properties

Unit weight
0.14 kg (0.30 lb)
Internal wetted surface area
174 cm² (27 in²)

Performance

DC10-40_Perf_Chrt

Dimensions

DC10-40_Dim_Dwg

Materials

Materials

Cartridge: Weight: 0.13 kg (0.28 lb); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and polyester elastomer back-ups standard.

Standard Ported Body : Weight: 0.34 kg (0.75 lb); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi). Ductile iron bodies available; dimensions may differ.

Installation Specifications

Cavity
VC10-4
Cartridge installation torque
32.6 to 35.4 N-m (24 to 26 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK10-4N-MMM Buna N
SK10-4V-MMM Fluorocarbon
SK10-4P-MMM Polyurethane

Order Code

POSITION
CODE
DESCRIPTION
DC10-40-H-J-R
H
Line Body
H
0
No Body
H
6T
Aluminum SAE 6
H
8T
Aluminum SAE 8
H
6TD
Ductile Iron SAE 6
J
Seal
J
N
Buna-N
J
V
Fluorocarbon
J
P
Polyurethane
J
U
PPDI Urethane
R
Spring
R
25
25 psi Bias Spring
R
70
70 psi Bias Spring
R
115
115 psi Bias Spring
DC10-40_Order