HOLDING VALVES
COUNTEBALANCE VALVES ARE USED TO KEEP A LOAD LOCKED. THE BUILT-IN RELIEF CONTROL THE LOAD AND LIMIT THE PRESSURE IN THE ACTUATOR. SINCE THESE 2 MODELS ARE ATMOSPHERICALLY VENTED, THEY ARE NOT AFFECTED BY BACK PRESSURE SO THEY CAN BE USED IN A SYSTEM USING DIRECTIONAL VALVES THAT HAS PORTS CLOSED IN NEUTRAL POSITION. IN THIS CASE, THE LOCK FUNCTION WORKS HOWEVER IT LOSES HIS RELIEF FUNCTION IN NEUTRAL POSITION. IF THEY ARE USED WITH DIRECTIONAL VALVES THAT HAS OPEN PORTS IN NEUTRAL POSITION, THEY WORK EXACTLY AS A REGULAR COUNTERBALANCE VALVE.
SINGLE COUNTERBALANCE VALVES
• MATERIAL: ZINC PLATED STEEL BODY
BAILEY PART NO
MODEL CODE
PORT SIZE MAX PSI
MAX GPM PSI RANGE PILOT RATIO WEIGHT (LBS)
280420
SCBC-08S-30
SAE-08
5075
10
435 - 3045
4:1
2.0
DUAL COUNTERBALANCE VALVES
• MATERIAL: ZINC PLATED STEEL BODY
BAILEY PART NO
MODEL CODE
PORT SIZE MAX PSI
MAX GPM PSI RANGE PILOT RATIO WEIGHT (LBS)
280422
DCBC-08S-30
SAE-08
5075
10
435 - 3045
4:1
2.0
PILOT OPERATED CHECK VALVES - WINNER
MAX GPM CAVITY
PILOT RATIO
WEIGHT (LBS)
MODEL CODE MAX PSI
CO08W3-317N CO11A-30-20N CO2A-30-20N CO17A-30-20N CO19A-30-20N
8
C8-3 T-11A
0.4 0.3 0.5 1.1 2.6
15 30 60
5000
T-2A
3:1
T-17A T-19A
120
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