Customized 80LPM pilot check valve


May 05, 2010 · some specific pilot pressure is needed to open the check. if the required pilot pressure is 33% of load pressure, the valve is designated a 3:1 pilot-operated check valve. when a pilot-operated check valve is used for the application shown in fig. 7.10, it is typical to have it open with as small a pilot pressure as possible—say a 5:1 valve.
Single and double acting pilot check valves-din 2353 portsin-line mounting with the acting pilot check valves, a single or double acting actuator can be locked in any position. sealing is guaranteed by tempered, ground, tapered steel poppets, releasing is by venting the piloted openings “a” and “b” according to the valve pilot ratio.
Designed to lock hydraulic circuits or actuators in rest conditions, parker’s dual pilot operated check valves allow bidirectional flow from 38 lpm (10 gpm) to 226 lpm (60 gpm) and pressures up to 350 bar (5,000 psi) after pilot pressure is supplied.
The nu-check© valve, designed specifically for pneumatics, is a patented aladco® product. it is the only check valve on the market with both manual and pilot release capabilities. the unique bubbletight seal keeps devices in checked position. if pressure loss or fluctuation should occur, the valve prevents drifting. to release the seal, depress the manual override button or operate the ...


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