Fixed rig for operating of burried gate valves Y 1020


 

 

Application
For operating water industry gate valves (S20
and S22) of diameter of DN 300 to 600
installed in water systems below the surface at
a covered depth of 1500mm. Rigs for different
depths can be supplied on special request.

Technical description
The rig consist of a protective sleeve, a cover,
an extension stem, a coupling and a base It
protects the packing and extension stem from
being covered with soil and thus allows the
gate valve to be operated.

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 sleeve 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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