API butterfly valve
API butterfly valve
Nominal size: NPS2"~36"
Nominal pressure: Class150~900Lb
Applicable temperature: -29~425℃
Main materials: WCB, 304, 316, 316SS, CF8M
Applicable medium: water, steam, oil, seawater, etc
1. Working principle and application of the product
Series 815, series 830 American standard butterfly valve of the main structure characteristics of wafer and flange three eccentric structure, 815, 830 l series butterfly valve around the main structure characteristics of the valve body with convex flange structure and designed with single screw holes, 815, 830 series of butterfly valve is widely used in petroleum, chemical industry and industrial environmental protection water treatment, high building, water supply and drainage pipes.
2. Product structure characteristics
American standard butterfly valve is characterized by: because of the use of the three eccentric structure, reliable hermetic performance, to ensure that the butterfly plate does not contact the seal seat when open, eliminate the seal seat uneven load, prolong the service life, to ensure reliable sealing performance, with high temperature resistance, wear resistance, corrosion resistance and other advantages.
3. Product performance parameters
Nominal diameter | DN（mm） | 830W | 830L |
2"～36" | 2"～36" | ||
Nominal pressure | PN（Mpa） | 150Lb | 300Lb |
Test pressure | Strength test | 3.0 | 7.5 |
Sealing test | 2.2 | 5.5 | |
Applicable medium | Water, steam, oil, sea water, etc | ||
Suitable temperature | -29℃～425℃ | ||
4. Material of main parts
Part name | Material |
The body | WCB,304,316,316SS,CF8M |
Butterfly plate | WCB,304,316,316SS,CF8M |
Stem | 316、2Cr13、1Cr18Ni9Ti |
Sealing ring | 316,Fluorine plastic |
Packing | Flexible graphite, Fluorine plastic |
5. Main dimensions of the product
815W series
Nominal diameter | Structural length (standard value) | Outline size (Reference value) | Connection size (standard value) | Reference weight (kg) | |||||||
L | L1 | H | H0 | D | D1 | D2 | M | Z-d | |||
2" | 50 | 43 | 108 | 110 | 345 | 152 | 120.5 | 92 | M18 | 4-19 | 9 |
3" | 80 | 49 | 114 | 125 | 380 | 190 | 152.5 | 127 | M18 | 4-19 | 11 |
4" | 100 | 56 | 127 | 145 | 415 | 229 | 190.5 | 157 | M18 | 8-19 | 13 |
5" | 125 | 64 | 140 | 165 | 455 | 254 | 216 | 186 | M20 | 8-22 | 16 |
6" | 150 | 70 | 140 | 175 | 545 | 279 | 241.5 | 216 | M20 | 8-22 | 26 |
8" | 200 | 71 | 150 | 210 | 645 | 343 | 298.5 | 270 | M20 | 8-22 | 34 |
10" | 250 | 76 | 160 | 250 | 695 | 406 | 362 | 324 | M24 | 12-25 | 51 |
12" | 300 | 86 | 178 | 285 | 830 | 483 | 432 | 381 | M24 | 12-25 | 72 |
14" | 350 | 92 | 190 | 320 | 900 | 533 | 476 | 413 | M27 | 12-29 | 106 |
16" | 400 | 102 | 216 | 355 | 980 | 597 | 540 | 470 | M27 | 16-29 | 133 |
18" | 450 | 114 | 222 | 380 | 1030 | 635 | 578 | 533 | M30 | 16-32 | 176 |
20" | 500 | 127 | 229 | 415 | 1110 | 699 | 635 | 584 | M30 | 20-32 | 190 |
24" | 600 | 154 | 267 | 475 | 1305 | 813 | 749.5 | 692 | M33 | 20-35 | 394 |
30" | 750 | 165 | 292 | 580 | 1525 | 985 | 914 | 857 | M33 | 28-35 | 476 |
32" | 800 | 190 | 318 | 630 | 1585 | 1060 | 978 | 914 | M39 | 28-41 | 618 |
36" | 900 | 203 | 330 | 680 | 1765 | 1168 | 1085 | 1022 | M39 | 32-41 | 762 |
815L series
Nominal diameter | Length of structure (standard value) | External dimensions (reference value) | Connection size (standard value) | Reference weight (kg) | |||||
L | H | H0 | D1 | D2 | M | Z-d | |||
6" | 150 | 70 | 175 | 545 | 241.5 | 216 | M20 | 8-22 | 28 |
8" | 200 | 71 | 210 | 615 | 298.5 | 270 | M20 | 8-22 | 36 |
10" | 250 | 76 | 250 | 695 | 362 | 324 | M24 | 12-25 | 53 |
12" | 300 | 86 | 285 | 830 | 432 | 381 | M24 | 12-25 | 74 |
14" | 350 | 92 | 320 | 900 | 476 | 413 | M27 | 12-29 | 110 |
16" | 400 | 102 | 355 | 980 | 540 | 470 | M27 | 16-29 | 138 |
18" | 450 | 114 | 380 | 1030 | 578 | 533 | M30 | 16-32 | 180 |
20" | 500 | 127 | 415 | 1110 | 635 | 584 | M30 | 20-32 | 196 |
24" | 600 | 154 | 475 | 1305 | 749.5 | 692 | M33 | 20-35 | 400 |
30" | 750 | 165 | 580 | 1525 | 914 | 857 | M33 | 28-35 | 482 |
36" | 900 | 203 | 680 | 1765 | 1085 | 1022 | M39 | 32-41 | 488 |
830W series
Nominal diameter | Length of structure (standard value) | External dimensions (reference value) | Connection size (standard value) | Reference weight (kg) | ||||||||
L | L1 | H | H0 | D | D1 | D2 | M | Z-d | ||||
2" | 50 | 43 | 108 | 110 | 345 | 165 | 127 | 92 | M18 | 8-19 | 9 | 20 |
3" | 80 | 49 | 114 | 125 | 380 | 210 | 168 | 127 | M20 | 8-22 | 12 | 29 |
4" | 100 | 56 | 127 | 145 | 415 | 254 | 200 | 157 | M20 | 8-22 | 13 | 35 |
5" | 125 | 64 | 140 | 165 | 455 | 279 | 235 | 186 | M20 | 8-22 | 18 | 40 |
6" | 150 | 70 | 140 | 175 | 545 | 318 | 270 | 216 | M20 | 12-22 | 28 | 81 |
8" | 200 | 71 | 150 | 210 | 645 | 381 | 330 | 270 | M24 | 12-26 | 37 | 94 |
10" | 250 | 76 | 160 | 250 | 695 | 445 | 387 | 324 | M27 | 16-29 | 56 | 158 |
12" | 300 | 86 | 178 | 285 | 830 | 521 | 451 | 381 | M30 | 16-32 | 79 | 183 |
14" | 350 | 92 | 190 | 320 | 900 | 584 | 514 | 413 | M30 | 20-32 | 116 | 239 |
16" | 400 | 102 | 216 | 355 | 980 | 648 | 571 | 470 | M33 | 20-35 | 146 | 302 |
18" | 450 | 114 | 222 | 380 | 1030 | 711 | 628 | 533 | M33 | 24-35 | 193 | 346 |
20" | 500 | 127 | 229 | 415 | 1110 | 775 | 686 | 584 | M33 | 24-35 | 209 | 434 |
24" | 600 | 154 | 267 | 475 | 1305 | 914 | 813 | 692 | M39 | 24-41 | 433 | 638 |
30" | 750 | 165 | 292 | 580 | 1525 | 1092 | 997 | 857 | M45 | 28-49 | 523 | 788 |
36" | 900 | 203 | 330 | 680 | 1765 | 1270 | 1168 | 1022 | M50 | 32-53 | 838 | 1146 |
| ADD: ROOM 202 BUILDING 16 YINGYUAN 13 LANE, JIADING DISTRICT, SHANGHAI 201800, CHINA. Tel: 0086-21-51738965 Fax: 0086-21-51738965 Cell: 0086-15021213021 Skype: peter.zhou2008 Email: sales@gaotaivalve.com ICP11042978-1 Technical support: Fengsheng Technology ADD: ROOM 202 BUILDING 16 YINGYUAN 13 LANE, JIADING DISTRICT, SHANGHAI 201800, CHINA. Tel: 0086-21-51738965 Fax: 0086-21-51738965 Cell: 0086-15021213021 Skype: peter.zhou2008 Email: sales@gaotaivalve.com ICP11042978-1 Technical support: Fengsheng Technology | 
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