CONCENTRIC TYPE • FLANGED TO BS 4504 PN10 / PN16FACE-TO-FACE DIMENSION TO ISO 5752 / BS 5155 (DOUBLE FLANGE SHORT BODY) / BS EN593 / EN558-1 BASIC SERIES 13 (DOUBLE FLANGE SHORT BODY) / API 609 LEVER / WORM GEAR OPERATOR

DOUBLE FLANGE BUTTERFLY VALVE (CONCENTRIC TYPE)

BFV-DCB

PN16DN50~350

SPECIFICATION

Working Pressure 16 barTesting Pressure Shell : 24 bar Seat : 17.6 barWorking Temperature -20˚C to 110˚C (EPDM Seat) -10˚C to 80˚C (NBR Seat)Suitable Media Water, Oil & Gas

PRESSURE / TEMPERATURE RATINGS

PartBodyDisc

Seat Ring

Shaft

Taper PinsKeyO-RingBushing

MaterialDuctile IronDuctile IronAluminum BronzeStainless Steel 304Stainless Steel 316EPDMNBRVitonStainless Steel 410Stainless Steel 431Stainless Steel 316Stainless Steel 316Carbon SteelNBRLuberized Bronze

BS2789 Gr. 500/7, 420/122789 Gr. 500/7, 420/121400 AB2304 C15316 C16

410 S21431 S29316 S16316 S16

MATERIALS

Amm110134131150170180210246276328

Bmm808095114114139175203242256

Cmm108112114127140140152165178190

Hmm304338342371406434573641695777

Lmm226226226226226226313313307307

L1mm173173173173173173239239226226

L2mm173173173173173173300300312312

L3mm45454545454563638080

DIMENSIONSSizemm506580

100125150200250300350

Cv90˚135220302600

1022157931365340825011917

Gmm150150150150150150285285285285

L3

H1

A

B

H

G

L L2

L3L1

A

B

C