5600 SERIES

COUNTERBALANCE VALVE

CARTRIDGESTANDARD CAVITY, ATMOSPHERICALLY VENTED

Description

A CARTRIDGE STYLE, THREE PORT, PILOT TO OPEN COUNTERBALANCE VALVE WITH AN ATMOSPHERICALLY VENTED SPRING CHAMBER AND FREE REVERSE FLOW CHECK, INTENDED FOR MOTION CONTROL AND OVER-CENTER LOAD HOLDING APPLICATIONS.

Product Rendering

Schematic

Typical Performance

Operation

  • BACK PRESSURE AT PORT (2) DOES NOT AFFECT RELIEF SETTING.
  • FLOW FROM (1) TO (2) IS BLOCKED UNTIL A PILOT PRESSURE INVERSELY PROPORTIONAL TO THE LOAD PRESSURE IS APPLIED TO THE PILOT PORT.
  • FLOW FROM (1) TO (2) IS BLOCKED UNTIL THE RELIEF PRESSURE SETTING HAS BEEN EXCEEDED.
  • FLOW FROM (2) TO (1) IS ALLOWED WITH A STANDARD CRACK PRESSURE OF 25 PSI.

Features

  • LOW RELIEF HYSTERESIS.
  • CLOCKWISE ADJUSTMENT TO INCREASE RELIEF SETTING.
  • SEALED PILOT PISTON, LOW INTERNAL LEAKAGE.
  • QUIET, STABLE OPERATION.
  • INDUSTRY COMMON CAVITY.
  • ADJUSTABLE WITH LOCKING NUT.
  • PILOT RATIOS UP TO 10:1 AVAILABLE (HIGHER PILOT RATIOS MAY REDUCE FLOW CAPACITY)

Specifications

INTERNAL LEAKAGE 5 DROPS/MIN. MAX.
OPERATING PRESSURE 5000 PSI
RELIEF ADJUSTMENT RANGE 500 - 5000 PSI
RELIEF TOLERANCE +/- 10%
STANDARD CRACK PRESSURE 25 PSI
TEMPERATURE RANGE 250°F TO -40°F

Ordering Information

MODELTHREADFLOW CAPACITYCAVITYL1L2 (MAX.)HEXABTORQUE
56107/8 - 1410.0 GPMVC10-31.852.001.000.621 /
0.623
0.683 /
0.685
25 ft-lbs

MODEL

THREAD

FLOW CAPACITY

CAVITY

L1

L2 (MAX.)

HEX

A

B

TORQUE

5610View More

7/8 - 14

10.0 GPM

VC10-3

1.85

2.00

1.00

0.621 / 0.623

0.683 / 0.685

25 ft-lbs