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Application
Shut-off valve for one-way flow of water
mixes with large particles (water + slag, water
+ ash) for service pressures and temperatures:
The gate valve is not suitable for flow
regulation.
Technical description
Yoke gate valve with rising non-rotating stem.
Connecting and face-to-face dimensions
Face-to-face dimension as per ČSN 13 3045.
Flange connection dimensions as per
ČSN 131060. Flange faces as per
ČSN 131061. Basic face-to-face and
connecting dimensions are shown in the table.
Material
Body, bonnet, wedge grey cast iron (GG-20)
Stem stainless steel (13 Cr)
Sealing surfaces rubber/rubber
Gland packing asbestos-free
Installation
The gate valve can be installed in horizontal
piping with actuation upwards. The axis of
electric motor must remain horizontal. If the
servomotor is installed with vertical axis
upwards, amount of oil fill must be increased.
If the valve is installed horizontally, the
actuator must be supported.
Operation
The gate valve is operated by electric
servomotor, in case of electricity breakdown
can be also operated manually.
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