Application
Shut-off valve for aggressive liquids, vapours
and gases, depending on type, temperature
and concentration for maximum service
pressures and temperatures:
Technical description
The valve is yoke type. Disc fits into body
sealing surface which is of the base material.
Rising rotating stem is sealed with gland
packing in the yoke. Flow direction in the
valve is from under the disc.
Connecting and face-to-face dimensions
Face-to-face dimensions as per ČSN 13 3042,
DIN 3202 F1.
Flange connecting dimensions as per
ČSN 13
1060, DIN2501. Flange faces as per
ČSN 13 1061, DIN2526, Form C.
Basic connecting and face-to-face dimensions
are given in the table.
Material
Body, bonnet stainless steel (42 2931)
Stem, disc stainless steel (13Cr)
Gland packing PTFE
Testing
The valve is tested as per ČSN 13 3060, part 2,
DIN 3230.
Installation
The valve can be installed in horizontal or
vertical piping depending on the flow
direction. Electrically actuated valves should
be installed in horizontal piping with the
actuator upwards above the valve. In other
positions the actuator must be supported or
attached to a hinge.
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