double orifice automatic air valve

Double orifice automatic air valve cast iron/ductile iron Flange acc. to DIN,BS,etc DN50-DN150 PN10/16 NBR OR EPDM BALL

Double orifice automatic air valvecast iron/ductile ironFlange acc. to DIN,BS,etcDN50-DN200  PN10/16NBR OR EPDM BALLDesign is according to ISO standardFlange drilled according to DIN,BS,ANSI,ISO etc.

1.Body   :Ductile iron /Cast iron

2.Stem   :Stainless steel 2Cr13

3.Nutst:    cast steel or stainless steel

 

 Dalian Wantong Industrial Equipment Co., Ltd. (WTIE) was established in 1992 as a sub-branch of Dalian cast iron factory, who is the first one in china to produce ductile iron pipes with water cooled centrifugal machines since 1986. Based on its professional knowledge and experience in ductile iron pipe production process, from 1995 Dalian Wantong started to provide technology, know-how as well as whole set of production line of ductile iron pipes and fittings from DN80 to DN2200 to its customers worldwide, now it has two subsidiaries for mechanical machining and joint ventures for pipes&fittings production, and its major supplies include pipes and fittings for water networks, pipes and fittings for industrial systems, valves, castings, machines etc., which are widely used by its numerous clients around the world and have been well recognized for their high quality and considerate services.

As a leading supplier of pipes, fittings, know-how and production lines in ductile iron casting fields, Dalian Wantong always believes in the importance of innovation, quality and service, and wish a long term cooperation with its partners based on mutual benefit and development. 

double orifice automatic air valve