Ball check valve



Ductile iron

   ball check valves are self-cleaning and with full bore. The ball rotates during operation eliminating the  risk of impurities getting stuck on the ball. The full and smooth bore ensures full flow with low pressure loss  and eliminates the risk of deposits at the bottom.  ball check valves are available with flanges and internal  threads. They are delivered with NBR lined ball as standard and optionally with ball of polyurethane available in  different weights.

    Product Description: Ball check valve with flanges for wastewater treatment and neutral liquids to max. 70° C  Standards: •  Designed according to EN 12050-4 •  Face to face according to DIN 3202 - F6 •  Standard flange drilling to EN1092-2 (ISO 7005-2), PN 10/16 Test/Approvals: •  Hydraulic test according to EN12050-4. •  Approved according to LGA regulations

   Features: •  Self-cleaning construction, where the ball rotates during operation eliminating the risk of impurities getting  stuck on the ball. •  Full bore ensures low pressure loss and minimum back pressure. •  Smooth bore eliminates the risk of deposits at the bottom. •  NBR lined ball of aluminium in DN 50-100 and 500 and of cast iron in DN 125-400. The rubber hardness is  optimised to prevent the ball from getting stuck in the seat. In DN 600 the ball is of aluminium with PUR liner. •  The ball is optionally available in polyurethane suitable for abrasive media and if different ball weights are  necessary to prevent vibration and water hammer. •  Compact design and low weight. •  Bolts and nuts of stainless steel and body and cover of ductile iron with epoxy coating internally and  externally 

      Component List: 1. Cover Ductile iron GJS-400-15 (GGG-40) 2. Bolt/nut/washer Stainless steel A2 3. Gasket NBR rubber 4. Body Ductile iron GJS-400-15 (GGG-40) 5. Ball Aluminium/cast iron with NBR liner Components may be substituted with equivalent or higher class materials without prior notification

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