Valve Position Indicator VOLUMEC

The Valve Position Indicator VOLUMEC is a combination unit with mounting surface for directional control valves NG06 according to ISO 4401-03-02-0-02/DIN 24340-A6. In detail the module consists of a hydraulic manifold, a gear type volume counter and an indicator. Mounted on a connection plate and completed by a directional control valve the VOLUMEC enables to control hydraulic operating ship armatures for ballast-, cargo- and stripping systems of all kind of tankers. In addition to that the adjusting path of the armature will be measured and displayed. The Valve Position Indicator is suitable for the installation into deck boxes. The indication of the volumetric entered armature position can be read off optically locally or can be taken electrically by potentiometers or open / closed switches.

VOLUMEC Indicator AVC 02

Together with the gear type volume counter the indicator builds the measuring unit. The turning of the gear wheels is transferred via a magnetic drive to the gear box of the indicator. For each application the turndown ratio of the gear box is configured to get a pointer movement of approx. 180Â°. The pointer is limited by two end stops. To reset the indication at each end position a slipping clutch is integrated. The driving shaft of the magnetic drive is equipped with a small indication to recognize the movement of the gear wheels. It can be used as leakage detection. The indicator is completely separated from the hydraulic circuit. The housing of the indicator consists of seawater resistant aluminium; all fixing materials are made of A2.

VOLUMEC Gear Type Volume Counter VCM 02/04

The gear type flow meter can be used with all known hydraulic fluids, which have a minimum lubrication, are not aggressive concerning the used materials (housing-cast iron, bearing-multi component, steel gears, NBR- or FPM seals). The movement of the gears is transferred to the indicator by a permanent-magnetic coupling. There is no connection between the indicator and the hydraulic circuit. The volume counter with connected indicator is suitable for installation in deck-boxes.

VOLUMEC Hydraulic Manifold HB 4

Function 0311
- double pilot operated check valve for holding the actuator position
- two pressure relief valves for limiting the pressure caused by increased temperature
- throttle valve in port A for speed regulation of the actuator
- check valve for filling the piping to avoid wrong indications when temperature fluctuates

Function 0324
- check valve in P for holding the actuator position when switching parallel actuators
- check valve in T to avoid indicator fluctuations due to pressure pulsation
- one temperature pressure relief valve for limiting the pressure caused by increased temperature
- throttle valve in port A for speed regulation of the actuator
- check valve for filling the piping to avoid wrong indications when temperature fluctuates

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