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Commonly used valve abbreviations

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Index by initial letter for quick view

Table of Contents

Lug wafer butterfly valve -2.jpg

A

Al: Aluminum

Al.B: Aluminium bronze

ALBC: Aluminium bronze casting

Asb.: Asbestos

AAE: Acrylic acid – ethylene

AIV air inlet valve

 

B

BV: Ball Valve

BFV: Butterfly Valve

BRS: brass

BRZ: bronze

BW: Butt Welding

BS: British Standard

 

C

CV: Check Valve

CI: Cast Iron

CL: COMM. Class

CODE: Commodity Code

CS: Carbon Steel

CLAS: Cast low alloy steel

 

Lugs to clamp fluorine butterfly valve

 

 

D

DN: Nominal Diameter

DI: Ductile iron

DV: Diaphragm Valve

DSS: Duplex Stainless Steel

 

E

ECC: Eccentric

ENR: En gi neering Sta ndard

EPDM: Ethyle ne-Propyle ne-Die ne Mo nomer

Ext-Bonnet: Extended Bonnet(Stem)

 

F

FF: Flat Face

FLGD: Flange

FNPT 60: Female NPT Threads60 oNPT

FB: Full Bore/Port

FT: Full Threaded Stud Bolt

FG: Flexible Graphite

FLB: Floating Ball Valve

FS: Fire Safe

 

Boiler air regulating valve GGG50-1

 

 

G

GSK: Gasket

GLV: Globe Valve

GO: Gear Operation

GR: Grade

GV: Gate Valve

 

H

HAS-C: Hastelloy-C

HHN: Heavy Hexagonal Nut

HPS: High-Pressure Service

HYN: side Diameter

HCV: Hydraulic control valve

 

I

ID: Inside Diameter

ISO: International Orga ni zati on For Stan dardizati on

 

L

LG: Large Groove

LT: Large Tongue

LM: Large Male

LFM: large female

L.T.C: Low-Temperature Carbon Steel

LTS: Low-Temperature Service

 

Lug wafer butterfly valve CA8M DN125-1

 

M

MFR: Manufacturer Standard

MEG: Metallic Envelope Gasket

MI: Malleable iron

 

N

NBR: Nitrile-Butadiene Rubber

No: Number

NPS: Nominal Pipe Size

NPT: National Taper Pipe (Thread)NR Natural Rubber

OD: Outside Diameter

 

P

PLSO: Plate Slip-On

PP: Polyethylene

PPL: Polyphenyl

PTFE: Polytetrafluoroethyle ne

PVC: Polyvi nyl Chloride

PKG: Packing

 

Pressure test of lug to clamp fluorine-lined butterfly valve-1

 

 

R

R: Radius

R2 55 •: Taper Pipe External Thread55°

Rc 55 0: Taper Pipe Internal Thread55 °

RCPL: Reducing Coupling

RED: Reduced

RB: Reduced Bore/Port

RF: Raised Face

RJ: Ring Joint

RFG: Reinforced Flexible Graphite

RJ (RTJ): Ring Joint (Ring Trough Joint)

RJG: Metallic Ring Joint Gasket

RT: Radiographic Test

RPTFE: Reinforced Polytetrafluoroethylene

RV: Relief Valve

 

Boiler air regulating valve GGG50-2

 

S

SE: Side Entry

SF: Small Female Face

SFR: Synthetic Fiber Rubber

SG: Small Groove

SM: Small Male Face

SMLS: Seamless

SNIP: Swage Nipple

SO: Slip-On

SW: Socket Welding

SPS: Spiral Seam

SR: Short Radius

SRT: T-Type Strainer

SRY: Y-Type Strainer

ST: Small Tongue

STD: Standard

STHU: Straight-Through

STL: Stellite

S.S: Stainless Steel

S.W:  spiral wound gasket

 

Lug wafer butterfly valve packaging display-1

 

T

TE: Threaded End

TE: Top Entry

TEMP: Temperature

TEY: Top Entry

THK: Thickness

THR: Thread

TLD: Tilting Disc

TOE: Thread One End

TRI-ECC: Thr-Ecce nitric

TRUB: Trunnion Ball Valve

TZM: Titanium-zirconium-molybdenum alloy

 

TLFC-Gate valve-DN1000-2

 

U

UG: Underground

UT: Ultrasonic Test

USV: underwater safety valve

 

V

Val.: valve

VB: valve body

 

W

WAF: Wafer

WB: Welding Bonnet

WN: Welding Neck

 

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