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Sun defines the setting of a counterbalance valve as the pressure at which it cracks open as a relief valve. The flow rate at "crack" is the point where drops turn to a stream, about 1-2 cubic inches per minute. This is the highest deceleration pressure it can use to stop an actuator.
- Deutsch
These often times have an ‘”adjust screw” to manually...
- Contrabalance
When backpressure exceeds pilot pressure, it adds to the...
- Cbcax
Backpressure at port 2 (inlet) may adversely effect the...
- Series 1
Sun offers replacement seal kits for all cartridge models....
- CBCA
Counterbalance valves with pilot assist are meant to control...
- CBCALHN-EBA/M
Counterbalance valves with pilot assist are meant to control...
- Deutsch
These are valves with no sealed pilot piston. Leakage between port 3 and port 2 is between .03 and .3 L/min. The high leakage occurs when the pilot pressure is half the load pressure or higher. CBCA and CBEA are available with sealed pilot piston (these would be custom numbered valves).
Counterbalance valves with pilot assist are meant to control an overrunning load. The check valve allows free flow from the directional valve (port 2) to the load (port 1) while a direct-acting, pilot-assisted relief valve controls flow from port 1 to port 2.
Counterbalance valves with pilot assist are meant to control an overrunning load. The check valve allows free flow from the directional valve (port 2) to the load (port 1) while a direct-acting, pilot-assisted relief valve controls flow from port 1 to port 2.
Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit. Two check valve cracking pressures are available.
Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit. Two check valve cracking pressures are available. Use the 25 psi (1,7 bar) check unless actuator cavitation is a concern. This valve does not have positive seals on the pilot
Sun counterbalance cartridges can be installed directly into a cavity machined in an actuator housing for added protection and improved stiffness in the circuit. Two check valve cracking pressures are available.
