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Application
Shut-off valve for water, steam, gases, non-
aggressive liquids, crude oil and its products
for service pressures and temperatures:
Maximum medium flow speed up to 3 m/s
Technical description
Flat-shaped cast steel gate valve with solid
wedge. Sealing surfaces are welded on body
and wedge. Stem is rising, non-rotary, stem
nut is located in wedge. Control is eased by
spur gear drive with indicator of opening.
The gate valve is without a bypass.
Connecting and face-to-face dimensions
Flange connection dimensions as per
ÈSN 13 10601 and ÈSN 13 1061.
Basic face-to-face and connecting dimensions
are shown in the table.
Material
Body, bonnet, wedge carbon steel (42 2643.1)
Stem stainless steel (13 Cr)
Stem nut alloys of heavy
non-ferrous metals
Sealing surfaces weld deposit 13 Cr
Gland packing asbestos-free
Testing
The gate valve is tested per ÈSN 13 3060,
part 2.
Installation
The gate valve can be installed in horizontal
or vertical piping. For electrically actuated
valves, the axis of electric motor must remain
horizontal. If the servomotor is installed with
vertical axis upwards, amount of oil fill must
be increased.
Operation
The gate valve can be operated by handwheel,
chainwheel, electric servomotor or from a
stand.
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