The gate valves are intended for use as shut-off devices of
steam and hot water pipelines, main and auxiliary technological systems of the plant.
plant systems. Gate valves are valves of two-position action.
They can
be used only for connection or disconnection of pipelines. The use of
gate valves as regulators is prohibited.
Gate valves are controlled by means of:
- handwheel (M);
- integrated electric actuator (E);
- through gearboxes: cylindrical (C) or conical (C).
The gate valves are installed both on horizontal and vertical sections of the pipeline.
pipeline sections. The gate valves are connected to the pipeline by means of welding.
by welding. Gate valves with built-in electric drive are recommended to be
installed on horizontal sections of pipelines with the spindle upwards. In places of
in places of installation of gate valves should be provided free access for their maintenance and repair without cutting out of the pipeline.
repair without cutting out of the pipeline, for installation and dismantling.
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