LOCKING

Locking of handwheel by chain

SECONDARY TIGHTNESS LEVEL

An intermediate part equipped with an O’ring contains the fluid pressure in the event of a diaphragm rupture. A test screw located between the diaphragm and the O’ring allows to detect any possible diaphragm rupture.

FLUSH BOTTOM VALVE

CONTROL BY ELECTRICAL ACTUATOR

CONTROL BY HYDRAULIC ACTUATOR

PANEL MOUNTING

The screwed bonnet allows the mounting of the valve on panel

COMPOSITE DIAPHRAGM

For very hard abrasive conditions and when an absolute tightness is not required, a composite diaphragm (natural rubber and cast chromium iron) is recommended.

CONTROL VALVE

Equipped with an air actuator and a positioner, and due to the sizes of diaphragm (plug) a fine control of fluid can be guaranted (see CV curves).

STROKE LIMIT

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