Valves - Directional Controls - Check Valve - Pilot Operated

PC08-30

PILOT OPERATED CHECK VALVE

Overview

Description

The PC08-30 is a screw-in, cartridge style, pilot operated, hydraulic check valve used for blocking or load holding circuits

Operation

It allows free flow from port 2 to 3, while normally blocking flow from port 3 to 2. Flow will be allowed from port 3 to 2 when pressure is applied at port 1

Features

  • Hardened seat for long life and low leakage.
  • Optional sealed piston.
  • Optional spring ranges.
  • Compact size.

Ratings

Pressure Ratings
Pressure rating
241 bar (3500 psi)
Flow Ratings
Flow rating
See performance chart
Maximum internal leakage
0.1 ml/min (2 drops/min) Between ports 3 and 2
115 ml/min (7 in³/min) Between ports 2 and 1
0 ml/min (0 drops/min) Between ports 2 and 1 with sealed piston
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 viton seals
-54 to 107 °C (-65 to 225 °F) With urethane 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)

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
0.06 kg (0.14 lb)
Internal wetted surface area
88.4 cm² (13.7 in²)

Performance

PC08-30_Perf_Chrt

Dimensions

PC08-30_Dim_Dwg

Materials

Materials

Cartridge: Weight: 0.08 kg (0.18 lb); Steel with hardened work surfaces. Zinc-plated exposed surfaces; Buna N O-rings and back-ups standard.

Standard Ported Body : Weight: 0.27 kg (0.60 lb); Anodized high-strength 6061 T6 aluminum alloy, rated to 207 bar (3000 psi). Ductile iron bodies available; dimensions may differ.

Installation Specifications

Cavity
VC08-3
Cartridge installation torque
25.8 to 28.5 N-m (19 to 21 ft-lb)
Orientation restriction
None

Accessories

Seal kit
SK08-3N-TM Buna N
SK08-3V-TM Viton
SK08-3P-TM Polyurethane
SK08-3U-00 Urethane

Order code

POSITION
CODE
DESCRIPTION
PC08-30-H-J-R
H
Line Body
H
0
No Body
H
4T
Aluminum SAE 4
H
6T
Aluminum SAE 6
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
70
70 psi Bias Spring
R
90
90 psi Bias Spring
R
120
120 psi Bias Spring
R
270
270 psi Bias Spring
R
BLANK
25 psi Bias Spring
PC08-30_Order