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Application
Shut-off valve for sediment forming non-
aggressive dirty liquids for service pressures
and temperatures:
The gate valve is not suitable for flow regulation
Technical description
The yoke gate valve has a rising non-rotating
stem with its thread outside the valve
chamber. The stem nut is turned to raise or
lower the stem and solid wedge. Body and
wedge have pressed brass sealing rings. Stem
is sealed with gland packing in a yoke.
Bottom part of the valve has a cleaning hole.
Connecting and face-to-face dimensions
Flange connection dimensions as per
ČSN 13 1060 and ČSN 13 1061.
Face-to-face dimensions as per ČSN EN 558,
DIN 3202 F4. Basic connecting and face-to-
face dimensions are shown in the table.
Material
Body, bonnet, wedge grey cast iron (42 2420)
Stem stainless steel (13 Cr)
Sealing surfaces brass
Gland packing asbestos-free fibre
Testing
The gate valve is tested per DIN 3230.
Installation
The gate valve can be installed in horizontal
piping with its actuation upwards.
Operation
The gate valve can be operated by handwheel,
el. actuator or from a stand.
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