Viton Seat Wafer Double Disc Check Valve

Overview

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.

Technical Data

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

Structural Feature

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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