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“Sincerity, Innovation, Rigorousness, and Efficiency” is the persistent conception of our firm for the long-term to create jointly with consumers for mutual reciprocity and mutual reward for China Sanitary Ball Valve, Full Bore Ball Valve, because of our company has been persisting in the management idea of “Survival by Quality, Development by Service, Benefit by Reputation” . We fully realize the good credit standing, the high quality goods, the reasonable price and the qualified services are the reason that the customers choose us to be their long-term business partner.
Characteristics of V-type flange regulating ball valve
1. The V-notch ball core and the metal valve seat have shear effect, which is especially suitable for media containing fibers, small solid particles, slurry and so on;
2. The V-type cut-off ball valve driven by worm gear also has the ability of adjustment and reliable positioning, the flow characteristic is approximate percentage, and the adjustable range is wide;
3. The movable valve seat structure loaded by leaf spring can prevent the valve seat from sticking or separating from the ball core. The seal is reliable and the service life is long.
Executive standard for V-type flange regulating ball valve
design basis | Connecting flange | Structural length | Test and inspection |
GB/T12237、API 608 | HG/T20592、EN1092 | GB/T12221 | GB/T13927、ISO 5208、API598 |
Material of main parts
Serial number | Material standardPart name | Part grade / material grade | |||
carbon steel | stainless steel | ||||
GB | API | GB | API | ||
1 | Double head stud | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M |
2 | Nut | 45 | A194-2H | 0Cr18Ni | A194-8M |
3 | Bottom cover | 25 | A105 | 1Cr18Ni9Ti1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L |
4 | Washer | Keywords fluororubber; PTFE; graphite in metal | |||
5 | Thrust bearing | Metal clip PTFE | |||
6 | Lower stem bearing | Metal clip PTFE | |||
7 | Lower stem | 20Cr13 | A276-410 | 1Cr18Ni9Ti1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L |
8 | sphere | ZG1Cr18Ni9Tinitriding | CF8nitriding | 1Cr18Ni9Ti1Cr18Ni12Mo2Tinitriding | F304/F316/F304L/F316Lnitriding |
9 | valve body | WCB | A216-WCB | ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti | CF8/CF8M/CF3/CF3M |
10 | Seat O-ring | Fluororubber | Fluororubber | Fluororubber | Fluororubber |
11 | valve seat | 20Cr13 | A276-410 | 1Cr18Ni9Ti1Cr18Ni12Mo2Tinitriding | F304/F316/F304L/F316Lnitriding |
12 | Sphere key | 40Cr | 40Cr | 1Cr17Ni2 | 1Cr17Ni2 |
13 | Upper stem bearing | PTFE;PPL | PTFE;PPL | PTFE;PPL | PTFE;PPL |
14 | Stem packing | graphite | |||
15 | Packing pressure ring | 20Cr13 | A276-410 | 1Cr18Ni9Ti1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L |
16 | Packing gland | WCB | A216-WCB | ZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti | CF8/CF8M/CF3/CF3M |
17 | screw | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M |
18 | Bracket | WCB | WCB | WCB | WCB |
19 | Upper stem | 20Cr13 | A276-410 | 1Cr18Ni9Ti1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L |
20 | key | 40Cr | 40Cr | 1Cr17Ni2 | 1Cr17Ni2 |
Drawing of v-flange regulating ball valve
V-flange regulating ball valve PN1.6MPa main connecting dimensions
DN(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | |
L | 203 | 222 | 241 | 305 | 356 | 394 | 457 | 533 | 610 | 762 | 914 | |
H | 102 | 114 | 127 | 152 | 184 | 219 | 273 | 360 | 395 | 470 | 580 | |
Manual | H1 | 107 | 125 | 152 | 178 | 300 | 330 | 398 | 495 | 580 | 670 | 840 |
E | - | - | - | - | - | - | 116 | 116 | 171 | 257 | 257 | |
F | - | - | - | - | - | - | 350 | 350 | 400 | 400 | 400 | |
W | 230 | 40 | 400 | 650 | 1050 | 1050 | 600 | 600 | 800 | 800 | 800 | |
WT(kg) | 12 | 16 | 22 | 35 | 58 | 74 | 205 | 322 | 460 | 864 | 1600 | |
Electric | H2 | - | - | - | - | - | 554 | 600 | 652 | 760 | 830 | 940 |
L1 | - | - | - | - | - | 235 | 235 | 235 | 259 | 400 | 410 | |
Pneumatics | H3 | 274 | 379 | 389 | 479 | 552 | 666 | 736 | 926 | 1059 | 1393 | 1538 |
L2 | 270 | 405 | 405 | 578 | 578 | 776 | 776 | 776 | 1060 | 1360 | 1360 |
Main connection dimensions of v-flange regulating ball valve PN2.5MPa
DN(mm) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | |
L | 230 | 241 | 310 | 350 | 400 | 403 | 419 | 457 | 502 | 838 | 991 | |
H | 102 | 114 | 127 | 152 | 184 | 219 | 273 | 360 | 395 | 470 | 580 | |
Manual | H1 | 107 | 125 | 152 | 178 | 300 | 330 | 398 | 495 | 580 | 670 | 840 |
E | - | - | - | - | - | - | 116 | 116 | 171 | 257 | 257 | |
F | - | - | - | - | - | - | 350 | 350 | 420 | 400 | 400 | |
W | 230 | 40 | 400 | 650 | 1050 | 1050 | 600 | 600 | 800 | 800 | 800 | |
WT(kg) | 15 | 24 | 30 | 55 | 87 | 118 | 255 | 370 | 533 | 1030 | 2100 | |
Electric | H2 | - | - | - | - | - | 235 | 235 | 400 | 400 | 410 | 420 |
L1 | - | - | - | - | - | 74 | 350 | 350 | 420 | 400 | 400 | |
Pneumatics | H3 | 340 | 379 | 452 | 479 | 646 | 666 | 814 | 1002 | 1059 | 1205 | 1295 |
L2 | 405 | 405 | 574 | 574 | 756 | 756 | 1060 | 1060 | 1060 | 1360 | 2840 |