HYDRAULIC VALVES
Single and Double Lock Valves
CYLINDERS
• Designed to lock a cylinder or part of a circuit while a directional control valve is in the neutral position • In neutral flow from both ends of cylinder is blocked • When valve is shifted to direct flow to one side of cylinder, pressure opens the check ball and simultaneously moves the piston to the opposite side of the valve • Opening this check valve allows free flow return to the directional control valve
CYLINDER COMPONENTS
PART NO.
PORT SIZE
GPM
PSI
CIRCUIT
SHIP WT.
JACKS
280365 280364 280360 280361 280362 280366 280363 280367 280369 280378 280368
3/8 NPT 1/2 NPT 1/4 NPT 3/8 NPT 1/2 NPT 3/4 NPT
20 20 20 20 20 20 20 20 20 20 20
3000 3000 3000 3000 3000 3000 3000 3000 3000 3000 3000
Single Single Double Double Double Double Double Double
3 3 3 3 3 3 3 3 3 3 3
VALVES
SAE 6 SAE 8
MOTORS
3/8 NPT 1/2 NPT
Double with Flow Control Double with Flow Control Double with Flow Control
PUMPS
SAE 8
ENGINES
Hydro Custom™ - Double Pilot Operated Lock Valve Used to lock a cylinder in place when a directional control valve is in the neutral position. In operation, pressurized oil flow is directed through one of the cylinder ports. The pressure from the valve port will shift the pilot spool opening of the corresponding check valve, allowing oil to return through the opposite check valve. This valve uses a hardened steel seat and ball and therefore should not be used in applications requiring absolutely zero leakage.
POWER UNITS
FILTRATION
GAUGES & METERS
• Two valve ports and two cylinder ports • Double pilot operated check valve to prevent reverse flow • Max 30 GPM, 3,000 PSI • Steel body • SAE #8 ports
CONTROLS
PILOT RATIO
PART NO.
MATERIAL
PORTS
GPM
PSI
TYPE
DESCRIPTION
FLUID COOLERS
Double pilot operated check valve
Two valve ports, two cylinder ports
220801
Steel
4:1
SAE 8
30
3,000
HOSES & FITTINGS
RELIEF VALVES Pilot Operated Relief Valves - RPL Series • Adjustable relief set at 2000 PSI • In-Line Mount • Pilot operated ball-spool type relief valve to provide a smooth, consistent performance • Compact and simple design
COMPONENTS
BEARINGS & BUSHINGS
MOBILE PRODUCTS
PART NO.
MFG. NO.
GPM
PSI
RELIEF PSI
PORT SIZE
SHIP WT.
280122 280167 280123 280124
RPL-75-A RPL-100-A RPL-12-A RPL-16-A
60 60 60 60
2000 2000 5000 5000
Adj. 500-2000 PSI Adj. 500-2000 PSI Adj. 500-5000 PSI Adj. 500-5000 PSI
3/4 NPT 1 NPT SAE 12 SAE 16
7.0 7.0 7.0 5.0
CUSTOM SOLUTIONS
For pricing, please refer to our website at Baileyhydraulics.com or call one of our Customer Experience Specialists at 1-800-800-1810.
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