Lift check valve
and carefully selected materials are in compliance with relevant domestic and foreign standards and the overall quality of the materials is high.
, the seal pair is matched with advanced and reasonable valve disc and valve seat sealing surface using iron-based alloy or Stellite cobalt-based hard alloy surfacing surface to achieve wear resistance, high temperature resistance, corrosion resistance, scratch resistance and long service life. long.
, products are designed and manufactured according to national standards.
Various piping flange standards and flange sealing types can be used to meet various engineering needs and user requirements.
The valve body has a full range of materials and gaskets can be reasonably selected according to actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions.
Check valves with different structural forms and connection forms can be designed and manufactured according to user requirements for use in various equipment
Main parts materials
%r = dd %> Valve body
% > Valve cover
%> Valve disc
%> Valve seat
%> Applicable medium
%> Applicable temperature
(℃)
%
%> +D
%> +D
%> Water, oil, steam
%>
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%> +
%> +
%> Acids
%>
%
%> +
%>
%> Phosphoric acid, acetic acid, mixed acid
% >
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%> +
%> +
%> Urea, methylammonium solution, phosphoric acid
%>
%
%> +
%> +
%> Water, oil, steam
%>
Main dimensions
%r = dd % => Model< br/> % => Nominal pressure
% => Nominal diameter D
% Dimensions
% => Weight
%>
%> D
%> D
%> D
%>
%>
%> -d
% =>
< br/>
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Qigao H41H/W lift check valve