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VAG Shut-Off Valves with Brake-and-Lift Cylinder

Application

Product features

Closing and opening of a valve by way of a brake-and-lift cylinder with adjustable moving speed after electrical or mechanical activation of the hydraulically locked actuator.
Connection console with integrated oil tank
Lifting drive with hydraulic piston pump
Separate hand pump
Cylinder with mounted-on common control block
Adjustable opening and closing times
Stepped closing time with final position damper unit
Position switch to signal the closed and open positions of the valve
Terminal box housing all electrical connections
Switching cabinet (optional)
Option mounting units:
- Bypass tap for manual operation (initiate closing by hand)
- Oil-level switch
- Thermostat in the oil tank
- Oil filter with soiling indicator (mechanical or electrical)
- Float actuation
- Accumulator with pressure switch
- Tripping device for pipe break device
- Second motor pump (redundant drive)
- Additional position switches for intermediate positions
- Angle-of-rotation transducer for analogue position indicator
- Enhanced corrosion protection (screwed connections of hydraulic lines made of stainless steel)

Required design specifications

Valve type (EKN butterfly valve, RKV plunger valve, KHW ball valve)
Area of application and/or place of installation (e.g.: pipe break device)
Nominal diameter, pressure rating
Maximum differential pressure
Maximum flow velocity
Arrangement of the actuator (e.g. in flow direction on the right)
Moving direction of the brake-and-lift cylinder (e.g. falling against the direction of flow)
Motor voltage / frequency and degree of protection
Voltage and type of solenoid valve e.g. closed-circuit current – idle open
Closing time / opening time