OPERATION AND MAINTENANCE MANUAL 05/2015
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The valve bodies bear markings which read the following data:
- nominal diameter
- nominal pressure
- body material type
- manufacturer trademark
- flow direction arrow
3 PROTECTION, STORAGE & TRANSPORT
3.1 PACKAGING
The flange-to-flange check flap valves are packed on EURO pallets (1200x800) and protected with heat-
shrunk film.
3.3 STORAGE
Store the flange-to-flange check flap valves in
sheltered rooms.
3.4 TRANSPORT
Transport the flange-to-flange check flap valves on sheltered vehicles.
The check flap valves from DN250 to DN300 shall be installed and handled with slings.
4 ASSEMBLY AND INSTALLATION
4.1 ASSEMBLY GUIDELINES
The Type 6534 flange-to-flange check flap valves can be installed in underground or overground
pipelines both in horizontal or vertical orientation. The valves are suitable for joining with the flanged ends of
