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Three Eccentric Wafer Butterfly Valve

Three Eccentric Wafer Butterfly Valve

Model:D971H

Size:DN50-DN2000

Pressure:10Bar/16Bar/25Bar

Temperature:-20℃~200℃

Body material:Cast steel, Stainless Steel

Applicable medium:water supply and drainage system in tap water ,sewage, Building, chemicals Industries

Introduction

Three Eccentric Wafer Butterfly Valve is used for water supply and drainage system in tap water ,sewage, Building, chemicals Industries ,usually used as an open-close equipment

Main part material

Body: Cast steel, Stainless Steel

Disc: Cast steel, Stainless Steel

Stem: Stainless Steel

Sealing ring: Stainless Steel/PTFE

Packing: Flexible Graphite/PTFE

Features

Double /Three eccentric structure, strictly sealing ,long durable and lifetime .

Executive Standard

GB/T 9113.1

API 609 Category A

BS EN593/BS5155

Technical parameters


 
DN L H HO A B 0.6MPa 1.0MPa 1.6MPa
DO n-Фd DO n-Фd DO n-Фd
50 43 63 438 125 125 110 4-14 125 4-18 125 4-18
65 46 70 453 125 125 130 4-14 145 4-18 145 4-18
80 46 83 478 125 125 150 4-18 160 8-18 160 8-18
100 52 105 519 125 125 170 4-18 180 8-18 180 8-18
125 56 115 713 325 245 200 8-18 210 8-18 210 8-18
150 56 137 749 325 245 225 8-18 240 8-22 240 8-22
200 60 164 843 325 245 280 8-18 295 8-22 295 8-22
250 68 206 947 363 313 335 12-18 350 12-22 355 12-26
300 78 230 1013 363 313 395 12-22 400 12-22 410 12-26
350 78 248 1046 363 313 445 12-22 460 16-22 470 16-26
400 102 289 1135 363 313 495 16-22 515 16-26 525 16-30
450 114 320 1328 465 439 550 16-22 565 20-26 585 20-30
500 127 343 1226 546 481 600 20-22 620 20-26 650 20-33
600 154 413 1394 546 556 705 20-26 725 20-30 770 20-36
700 165 478 1534 546 556 810 24-26 840 24-30 840 24-36
800 190 525 1159 546 556 920 24-30 950 24-33 950 24-39
900 203 585 1748 617 706 1020 24-30 1050 28-33 1050 38-39
1000 216 640 1805 632 706 1120 28-30 1160 28-36 1170 28-42

Technical standard

Face-to-face: API 609 Table 1/ISO 5752 Series 20/BS 5155

Flange accommodation: ANSI B16.1 Class125/150

EN1092-2 PN6/10/16/25

Top Flange:ISO5211

Tightness Inspection: API 598/ISO 5208,/EN12226-2

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