Butterfly Valve - Wafer Type - DHC Korea
Standard ISO 5752, BS 5155, MSS SP 67 & API 609
Pressure Range Maximum working pressure of 16 bar
Flange Connection JIS 5K/10K/16K, ANSI 150#, PN 10/16 & Table D/E
Test Inspection API 598
Material Selections Body Cast Iron/Ductile Iron/Carbon Steel/ Stainless Steel/Bronze
Disc Stainless Steel/Aluminium Bronze/Coated
Stem Stainless Steel/ K-Monel
Seat EPDM/NBR/Viton/Silicon/Neoprene/PTFE

 

UNIT : mm
size Φd L H1 H2 H3 W Stem Top Flange KEY SIZE Weight
(kg)
inch mm ΦS T ΦA B n1 - Φh1
2" 50 50 43 61 128 33 28 14 9.8 90 70 4 - 10 5 x 5 3.2
2.5" 65 67 46 73 139 33 51 14 9.8 90 70 4 - 10 5 x 5 4.1
3" 80 79 46 80 150 33 67 14 9.8 90 70 4 - 10 5 x 5 4.5
4" 100 101 52 93 164 33 89 16 11.8 90 70 4 - 10 5 x 5 5.8
5" 125 124 56 113 176 33 113 18 12.8 90 70 4 - 10 6 x 6 7.8
6" 150 147 56 126 190 33 139 18 12.8 90 70 4 - 10 6 x 6 9.5
8" 200 197 60 157 230 40 191 22 - 125 102 4 - 12 8 x 7 17.0
10" 250 248 68 205 270 40 242 22 - 125 102 4 - 12 8 x 7 24.0
12" 300 297 78 240 305 40 290 28 - 125 102 4 - 12 8 x 7 40.0
14" 350 332 78 267 335 50 327 32 - 150 125 4 - 15 10 x 8 55
16" 400 376 102 303 370 60 366 38 - 175 140 4 - 18 12 x 8 84
18" 450 430 114 325 390 60 419 38 - 175 140 4 - 18 12 x 8 97
20" 500 488 127 360 430 75 475 45 - 210 165 4 - 22 14 x 9 142
24" 600 568 154 445 495 80 551 55 - 210 165 4 - 22 16 x 10 195
28" 700 692 165 510 560 100 675 65 - 210 165 4-22 20 x 12 260
32" 800 793 190 585 635 100 773 65 - 300 254 8-18 20 x 12 350
36"
900 861 203 645 685 110 841 75 - 300 254 8-18 22 x 14 470
40" 1000 961 216 705 750 120 940 85 - 300 254 8-15 25 x 14 600
48"
1200 1156 254 820 870 150 1130 105 - 350 298 8-23 28 x 16 910
  Elastomer Properties

Elastomers

Chemical group

General Application

Service Temperature

EPDM
Ethyene
propylene

Ethlens Propylene
Terpolymer

Water-Steam
Sea Water
Brine
Esters
Alkalis
Ozone
Ketones
Alcohols
Brake Fluid
Treated Water With
Caustic soda

-15°C to + 110°C

NBR/BUNA-N
Nitrile rubber

Butadien Acrylontrile
Copolymer

Hydrocarbons
Natural Gas
Oil and Fat
Air
Gasoline

-10°C to + 80°C

SBR

-

Acids and Alkails

-20°C to + 80°C

FPM
Viton

Fluorocarbon polymer
Viton

Acids Oils
Hydrocarbon

-20°C to + 150°C

SI
Silicone

Organic silicon polymer

Food
Beverage

-20°C to + 140°C

PTFE
Teflon

Polyflon TFE

Solvents
Corrosive Products

-10°C to + 200°C

CR
Neoprene

Chloroprene polymer

Acid, Ozone, Oils
Fats
Solvents

-10°C to + 90°C

Dowload Catalogue