Application
Shut-off or discharge valve for sewage water, aggressive and thick media,
acids, lyes and chemical media for service pressures and
temperatures:
Technical description
The diaphragm valve has no gland packing.Closing element is a rubber diaphragm. Fluids
can flow through the valve in both directions.
Connecting and face-to-face dimensions
Flanged connection dimensions as per ČSN 13 1060 and ČSN 13 1061.
Face-to-face dimensions as per ČSN EN 558.
Flange sealing surfaces are rubber lined. Basic connecting and face-to-face dimensions
are given in the table below.
Material
Body, bonnet, support
grey cast iron (42 2420)
Stem carbon steel
Diaphragm rubber
Surfaces getting in contact
with medium rubber
Testing
The valve is tested as per ČSN 13 3060, part 2.
Installation
The valve can be installed in horizontal or
vertical piping.
Operation
The valve is operated by handwheel.
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