FLANGE BUTTERFLY VALVE

FLANGE BUTTERFLY VALVE

Materials: Stainless steel, duplex stainless steel, carbon steel, high-temperature steel,special steel, titanium, nickel, zirconium, etc.

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PRODUCT STANDARDS

  • Design standards: GB/T 12238
  • Face to Face: GB/T 12221
  • Flange end: GB/T 9113, JB/T 79, HG/T 20592
  • Test standards: GB/T 13927

SPECIFICATIONS

  • Nominal pressure: PN16-100
  • Shell test pressure: PT 1.5PN
  • Low-pressure closure test: 0.6MPa
  • Suitable medium: water, oil, gas, acetic acid, nitric acid
  • Suitable temperature: -29°C-425°C

Drawing

MAIN PARTS AND MATERIALS

Material Name Carbon steel Stainless steel CF8 Stainless steel CF8M
Body WCB CF8 CF8M
Disc WCB CF8 CF8M
Stem 13Cr 304 316
seat Ring 304+Graphite 304+Graphite 304+Graphite
Packing Graphite Graphite Graphite

DIMENSIONS

Nominal diameter Structure length (standard) L External dimension(consult) Connection dimension(standard)
H – PN1.6MPa PN2.5MPa
(mm) Brief H2 A2 B2 D D1 Z-d D D1 Z-d
50 108 112 625 245 72 165 125 4-18 165 125 4-18
65 112 115 625 245 72 185 145 4-18 185 145 4-18
80 114 120 645 245 72 200 160 8-18 200 160 8-18
100 127 138 675 355 92 220 180 8-18 235 190 8-22
125 140 164 715 355 92 210 220 8-18 270 220 8-26
150 140 175 800 355 92 250 240 8-22 300 250 8-26
200 152 200 850 250 170 340 295 12-22 360 310 12-26
250 165 243 925 250 170 405 355 12-26 425 370 12-30
300 178 250 1035 220 280 420 410 12-26 485 430 16-30
350 190 280 1070 450 220 460 470 16-26 555 490 16-33
400 216 305 1190 450 220 580 525 16-30 620 550 16-36
450 222 350 1250 650 280 640 585 20-30 670 600 20-36
500 229 380 1290 650 280 715 650 20-33 730 660 20-36
600 267 445 1455 850 380 840 770 20-36 845 770 20-39
700 292 480 1585 850 380 910 840 24-36 960 875 24-42
800 318 530 1700 1250 380 1025 950 24-39 1085 990 24-48
900 330 580 1865 1250 380 1125 1050 28-39 1185 1090 28-48
1000 410 650 2015 1250 380 1255 1170 28-42 1320 1210 28-56
1200 470 760 2250 1250 380 1485 1390 32-48 1530 1420 32-56

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