سازمان‌ها

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

متریال شیرآلات

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 Metal

Mo

Molybdenum

Al

Aluminium

Cr

Chromium

Tef

Teflon

13% Cr

Type 410 Stainless Steel

HF

Hard Face (Stellite Face)

مکانیزم کارکرد شیرآلاات

O.S. & Y

Outside Screw & Yoke

N.R.S.

Non Rising Stem

R.S.

Rising Stem

.

.

اتصالات مربوط به انتهای شیرآلات

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