sequence valve

sequence valve

sequence valve
Retraction of main strut. Doors retraction line is cut-off by check valve.
sequence valve
Main strut is retracted. Rod opens the valve. Pressure is fed for doors retraction.
sequence valve
A type of flow valve that performs a series of actions in sequence, each completion starting the next. For example, sequence valves are used in an aircraft hydraulic system to cause the wheel-well doors to open fully before the landing gear is released from its uplocks.
References in periodicals archive ?
pneumatics: Push buttons normally closed and normally open, Selector switch, Roller lever valves, Proximity sensors, Time delay valve, Pressure sequence valve, Single-pilot valves, Or & And valves, Quick-exhaust valve, One-way flow control valve, Single and double acting cylinders, Air filter regulator, Pressure regulator, Pressure gauges, Distributor block and plastic tubing.
Standard mounting frame and optional sequence valve makes it easy to add vacuum receivers to the system as needed.
A sequence valve locks and unlocks the bucket cradle and side-dump operation.
A sequence valve locks and unlocks the bucket cradle and side dump function, providing added safety and control during transportation and placement.
A sequence valve senses the pressure to port 1 (Step 2).
AEC/Whitlock SR stainless steel hoppers now include models with a sequence valve that is integral to the hopper cover.
Local stations receive recipes and execute the process downloaded from the supervisor's software using digital and analog I/O to sequence valve actuators, regulate temperatures, etc.
For example, a sequence valve (or relief valve) belongs to the class of two-way control valves as well as to the class of pressure relief valves.
Tenders are invited for Sequence Valve Dz 10-2-52/100Xm For Non Cnc Hyt Lathe .
The DMV valves are activated by the sequence valve on the vacuum hopper and the source valve is controlled by the purge valve at the source.
A sequence valve is a normally closed, internally piloted valve which remains closed until pressure in the primary circuit reaches the preset level of the valve.
It has one valve instead of the usual two, and the sequence valve and dump throat come in one piece.
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