Opening and closing parts by the media flow and power to open or close on their own, in order to prevent the backflow of the media called the check valve. Check valves are automatic valves, mainly for the medium one-way flow of the pipeline, allowing the media to flow in one direction, to prevent accidents.
Stem: Stainless Steel
Spring: Stainless Steel
Seat: EPDM, NBR, Stainless Steel
Size: DN40-DN600mm PN1.0-1.6MPa
Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Flange Connection: DIN, ANSI, BS, JIS, Universal flange
Disc: Ductile Iron with Nickel Coating, Ductile Iron with Nylon Coating, Stainless Stee 304/316l
Short structural length, only 1/4~1/8 of that of traditional flanged check valve;
Low volume, light weight, only 1/4~1/20 of those of traditional flanged check valve;
Applicable for and easily installed for vertical or horizontal pipelines;
Smooth flow passageway and small fluid resistance;
Flexible action and good sealing performance;
Long service life and good reliability.
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