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Ball valves are an important type of valve and are widely used in petrochemical, long-distance pipelines and other fields. The closing member of the ball valve is a holed ball (or a partial ball) that rotates with the valve stem to open or close the valve.
In various valves, the flow resistance of the ball valve is small, and when the full-diameter ball valve is opened, the ball passage, the valve body passage and the connecting pipe are equal in diameter and formed into a diameter, and the medium can flow almost without loss.
When the ball valve is rotated by 90°, it can be fully closed and opened and closed quickly. Compared with gate valves and globe valves of the same specification, the ball valve is small in size and light in weight, which is convenient for pipeline installation. Main parts: Serial number
NO Part Name Material GB ASTM 1 Valve body WCB A2116-WCB 2 Seal ring PTFE PTFE 3 Sphere 1C18Ni9Ti SS304 4 Nut 35 A194-2H 5 Stud 35CrMoA A193-B7 6 Stone body WCB A216-WCB 7 Gasket B12.10-304F/.G 8 filler PTFE PTFE 9 Packing gland WCB A2116-WCB 10 Positioning pieces 25 A105 11 Retaining ring 65Mn AISI 1066 12 handle K33 A47-667
Gr.32510 13 Valve stem 1Cr33 A276-410 14 Screw 35 A193-B7 15 Thrust washer PTFE PTFE
specifications:
Design Basis National standard series American standard series design standards GB/T12237 AP16D ANSI B16.34 Flange connection length GB/T12221 AP16D ANSI B16.10 Structure length (welding) GB/T15188.1 AP16D ANSI B16.10 Connection flange GB/T9113
JB/T79
Hg20592 ANSI B16.5, B16.47 Butt end GB/T12224 ANSI B16.25 Test and inspection GB/T9092 AP16D AP1598 Main dimensions:
Nominal diameter 15 20 25 40 50 65 80 100 125 150 200 D1 13 19 25 38 64 64 76 102 127 152 203 L 108 117 127 165 191 191 203 229 356 394 457 H 59 63 75 95 142 142 152 178 252 272 342 W 130 130 160 230 400 400 400 650 1050 1050 1410 Wt(kg) 2.5 3 5 7 15 19 19 33 58 93 160
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