Triple offset Butterfly Valve for Slovakia power plant

These DN600 PN6 Metal seated Butterfly valve are triple offset design with seal ring: ss+graphite Body material: A216 WCB Double flanged connection with special face to face:600mm. The butterfly are used for cooling water in slovakia power plant ~~. Total 16 pieces require shipment in 50 days.

Mark of casting : in body there will be :valve size, valve pressure, valve body material, valve heat no. valve flow direction.


Rough Machining and fine machining of body

Assembly of three offset butterfly valve

Valve assembly-butterfly valve metal seated gearbox operated-Long body


Valve pressure test include:1.5times body pressure test by water, 1.1times seal test by water and 0.6bar seal test by air in one direction for eccentric butterfly valve.

alve-body-pressure-test: 1.5times PN as per EN12266 or ISO5208


After painting the valve will be ready for packing and inspection



The inspector are doing inspection for all item of butterfly valve: critical dimension like face to face and flange hole distance will be inspected one by one, other dimension will be random



The valve will be packed with suitable material for sea transportation:usually export wooden case with soft material inside,and  protected wooden bar between valves to avoid impact.




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