Valves - Directional Controls - Check Valve - Pilot Operated - Integrated Thermal Relief

PC10-38

PILOT OPERATED CHECK VALVE WITH THERMAL RELIEF

Overview

Description

PC10-38 is a screw-in, cartridge-style, pilot operated hydraulic check valve for use as a blocking or load-holding device. The pilot ratio is 3:1. The cartridge incorporates a low flow thermal relief valve intended to prevent cylinder damage resulting from temperature-induced pressure intensification

note: the thermal relief feature is not intended for use in dynamic pressure limiting applications

Operation

The PC10-38 allows flow from port 2 to port 3, while blocking oil flow in the opposite direction. If the pressure at port 3 exceeds the thermal relief setting, a small amount of oil will be allowed to pass from port 3 to port 2 preventing cylinder damage from pressure intensification

Features

  • Integrated low flow thermal relief valve.
  • Hardened seat for long life and low leakage.
  • Optional sealed piston.
  • Industry common cavity.

Ratings

Pressure Ratings
Pressure rating
241 bar (3500 psi)
Proof pressure
390 bar (5700 psi)
Flow Ratings
Flow rating
45 lpm (12 gpm)
Maximum internal leakage
0.25 ml/min (5 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 70 °C (-40 to 160 °F)
Other Ratings
Corrosion protection
960 hr salt spray per ASTM b117 (gpc10-38)

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
0.14 kg (0.3 lb)
Internal wetted surface area
146 cm² (22.7 in²)

Performance

PC10-38_Perf_Chrt

Dimensions

PC10-38_Dim_Dwg

Materials

Materials

Cartridge: Weight: 0.14 kg (0.3 lb); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and back-ups standard.

Standard Ported Body : Weight: 0.36 kg (0.80 lb); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi). Ductile iron bodies available; dimensions may differ.

Installation Specifications

Cavity
VC10-3
Cartridge installation torque
32.6 to 35.4 N-m (24 to 26 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK10-3X-TM (x = seal option)

Order code

POSITION
CODE
DESCRIPTION
PC10-38-H-J-R/S
H
Line Body
H
0
No Body
H
6T
Aluminum SAE 6
H
8T
Aluminum SAE 8
H
6TD
Ductile Iron SAE 6
H
8TD
Ductile Iron SAE 8
H
3B
Aluminum BSPP 3/8" (3)
H
3BD
Ductile Iron BSPP 3/8" (3)
J
Seal
J
N
Buna-N
J
NS
Buna-N with a Sealed Spool
J
V
Fluorocarbon
J
VS
Fluorocarbon with a Sealed Spool
J
P
Polyurethane
J
PS
Polyurethane with a Sealed Spool
J
U
PPDI Urethane
J
US
PPDI Urethane with a Sealed Spool
R
Spring
R
100
100 psi Bias Spring
S
Thermal Relief Setting
S
5
500 psi Thermal Relief
S
10
1000 psi Thermal Relief
S
20
2000 psi Thermal Relief
S
25
2500 psi Thermal Relief
S
30
3000 psi Thermal Relief
S
40
4000 psi Thermal Relief
S
45
4500 psi Thermal Relief
PC10-38_Order