Telescopic rig for operation of buried gate valves DN 60 to 200


 

 

Application
For operating water industry gate valves
installed in water systems below the surface at
a covered depths of 1200 to 1800mm.

Technical description
The rig consist of a protective pipe, a cover, an
extension stem, an extension pipe a coupling,
a base and a fixture washer. The sealing and
braking collar ensures that the rig provides
effective protection.

Connecting and end-to-end dimensions
Connecting and end-to-end dimensions are
given in the table below.

Material
Base, coupling grey cast iron (GG-20)
Extension stem carbon steel
Protective pipe plastic
Extension pipe carbon steel
Fixture washer grey cast iron (GG-20)

Installation
The rig can be fitted to a gate valve placed
underground with the actuation gear pointing
vertically upwards.

Operation
The actuation rig is operated by a socket
wrench.




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