Welded Butterfly Valve

This valve is suitable for use on pipelines carrying water, steam, oil, etc., for opening and closing, and can also be used for flow regulation.

Overall Dimensions and Connection Dimensions

Model Nominal Diameter Size
mm L D D1 H H1
D363H/F/X-10C/16C/25 80 114 91 80 100 410
100 127 117 100 115 430
125 140 144 125 120 520
150 210 172 150 130 560
200 230 219 200 178 630
250 250 273 250 215 730
300 270 320 300 236 790
350 290 362 350 268 920
400 310 413 395 310 1000
450 330 464 445 338 1050
500 350 516 495 372 1122
600 390 616 595 434 1400

Performance Specifications

Model Nominal Pressure (Mpa) Test Pressure (Mpa) Applicable Temperature (℃) Applicable Medium
D363H-10C 1.0 1.5 1.1 -29~425°C Water, Steam, Oil Products
D363F-16C 1.6 2.4 1.8 -29~150°C Water, Steam, Oil Products
D363X-25 2.5 3.8 2.8 -10~80°C Water

Main Parts Material

Part Name Material
Valve Body WCB
Valve Plate 20/WCB
Valve Stem 2Cr13
Packing Flexible Graphite
Bracket WCB
Sealing Ring 430+XB450/PTFE/Nitrile Rubber

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