double flange butterfly valve (concentric type)
TRANSCRIPT
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