Valve Abbreviations

 

Organisations/Societies

ANSI: American  National Standards Institute

API:  American Petroleum Institute

ASME:  American Society of  Mechanical Engineers

ASTM:  American Society for Testing Materials

BS:  British Standards

DIN:  Deutsche Industrie – Normen

BVQI:  Bureau  Veritas Quality International

ISO:  International Standards Organisation

 

Valve Materials 

Br:  Bronze A.I. All Iron

C.I.:  Cast Iron M.I. Malleable Iron

N.I.:  Nickel Iron D.I. Ductile Iron

C.S.:  Cast Steel/Carbon Steel F.S. Forged Steel

S.S.:  Stainless Steel PVC Polyvinyl Chloride

N: Nickel

M:  Monel

Mo:  Molybdenum Al Aluminium

Cr:  Chromium

Tef:  Teflon

13% Cr Type 410 Stainless Steel

HF:  Hard Face (Stellite Face)

 

Valve Operating Mechanisms 

O.S. & Y:  Outside Screw & Yoke N.R.S. Non Rising Stem

R.S.:  Rising Stem

End Connections

F.E.:  Flanged Ends S.E. Screwed Ends

F.F.D.:  Flanged, Faced & Drilled B.W. Butt Welding Ends

S.W.:  Socket Welding Ends Scr. Screwed Ends

Flg. :  Flanged Ends S.J. Solder Ends

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Tel: + 86-577-86373155, E-mail: sales@reliavalve.com