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Cartridge Valves - Directional Control Valves - Check Valve - Pilot Operated

PC08-30

PILOT OPERATED CHECK VALVE

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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.
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
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)
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
Unit weight:
  • 0.06 kg (0.14 lb)
Internal wetted surface area:
  • 88.4 cm² (13.7 in²)
PC08-30_Perf_Chrt(2022-02-24)
PC08-30_Dim_Dwg(2022-02-24)
Cavity:
  • VC08-3
Cartridge installation torque:
  • 25.8 to 28.5 N-m (19 to 21 ft-lb)
Orientation restriction:
  • None
Seal kit:
  • SK08-3N-TM Buna N
  • SK08-3V-TM Viton
  • SK08-3P-TM Polyurethane
  • SK08-3U-00 Urethane
Housings:
PC08-30_Order(2022-02-24)

Model Options

PC08-30-H-J-R
H Line Body
CODE
DESCRIPTION
0
No Body
4T
Aluminum SAE 4
6T
Aluminum SAE 6
6TD
Ductile Iron SAE 6
8TD
Ductile Iron SAE 8
3B
Aluminum BSPP 3/8" (3)
3BD
Ductile Iron BSPP 3/8" (3)
J Seal
CODE
DESCRIPTION
N
Buna-N
NS
Buna-N with a Sealed Spool
V
Fluorocarbon
VS
Fluorocarbon with a Sealed Spool
P
Polyurethane
PS
Polyurethane with a Sealed Spool
U
PPDI Urethane
US
PPDI Urethane with a Sealed Spool
R Spring
CODE
DESCRIPTION
70
70 psi Bias Spring
90
90 psi Bias Spring
120
120 psi Bias Spring
270
270 psi Bias Spring
BLANK
25 psi Bias Spring

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