PNEUMATIC ACTUATOR VCH TYPE OPERATION .

Features

Double acting (open / close operation by air) or spring return (either air close or air open and return to rest position by springs).

Heavy aluminium made, resistant to most of corrosive agents.

Clean air (dry or lubricated) oil or non-corrosive gas feeding at maximum pressure of de 10 bars.

90º turn (quarter turn) with a ± 4º tolerance in open / close operation.

Temperature range from –20ºC to +80ºC under normal working conditions.

Constant and high torque output.

Visual position indicator.

Regulating limit stops in opening and close.

Lubrication guaranteed for a minimum of 1.000.000 operations.

It be fitted parallel or perpendicular to the pipe.

Manual device for Emergency Operation (double acting only).

Options

Chemical Nickel or Teflon coating for body and covers.

Regulating limit switch box (electromechanical, inductive, magnetic or pneumatic) with NAMUR (VDI/VDE-3845) standard connection.

Inductive or magnetic detectors.

Box with built-in limit switches and solenoid valve.

NAMUR solenoid valves (3-way for spring return and 5-way for double acting.

Antideflagration solenoid valves.

Pneumatic (3-15 p.s.i.) or electropneumatic (4-20 mA) positioners.

Direct manual override facility (double acting only up to CH100).

For bigger DN, please consult.

Selection made for VAMEIN valves working with water at ambient temperature at a maximum pressure of 10 bars.

Feed pressure 6 bar.

References of selected actuators are only valid if the valve-actuator assembly is made by VAMEIN DE ESPAÑA, S.A..

Dimension “L” DN Double Acting Spring Return 50 258 260 65 270 272 80 277 279 100 298 323 125 311 336 150 348 388 200 390 430 250 458 521 300 500 561 350 597 687 400 632 722 450 770 - 500 805 - Dimensions in mm as guidance.