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Flanged Fully PTFE Lined Butterfly valve

Flanged Fully PTFE Lined Butterfly valve
    The YFL Flange Fully PTFE Lined Butterfly Valves with PTFE lined disc and PTFE seat are designed to be suitable for  strong corrosive medium like hydrochloric acid, Nitric acid, Hydrofluoric acid, liquid chlorine, sulfuric acod and aqua regia  in industries of Oil & Gas, Petrochemical, Mining, Metallurgy, Hydropower station, Pharmaceutical, Paper, Environment protection etc.
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  • Features
  • Specification

Materials specifications:

Body: GG25, GGG40, WCB, LCB, CF8, CF8M, CF3, CF3M

Shaft: 2Cr13(SS420), SS410, 17-4PH

Shaft sleeve: Silicone rubber

O-ring: Viton, Viton+FEP, Viton+PFA

Disc: CF8/CF8M+PTFE, CF3/CF3M+PTFE, 

Seat: PTFE, RPTFE

Elastic backing: Silicone rubber, Viton

 

Standards and Range:

Design & Manufacture Standard: API 609

Flange Standard: ASME B16.5, JIS B2220, EN 1092-1

Face to Face: ASME B16.10

Inspection & Test Standard: API 598

Nominal diameter: 2''-64''

Nominal pressure: 1.0 MPA, 1.6 MPA, 150LB