Marine Equipment
Marine Center-Pivoted Worm Manual Wafer Butterfly Valve
Marine Center Worm Manual Butterfly valve is operated by worm gear, used to adjust the flow rate, open and close the pipe system in the marine pipe system. The connection type also can be Lu...
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Marine Center-Pivoted Worm Manual Wafer Butterfly Valve
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China Marine Center-Pivoted Worm Manual Wafer Butterfly Valve:
Marine Center Worm Manual Butterfly valve is operated by worm gear, used to adjust the flow rate, open and close the pipe system in the marine pipe system. The connection type also can be Lug type or Flange type.
Technical Specification:
Design Standard: GB/T3036-1994 Type C/CS
Test Standard: GB600
Applicable Medium: sea water, fresh water, air, crude/refined oil (t≤70℃)
Test Standard: GB600
Applicable Medium: sea water, fresh water, air, crude/refined oil (t≤70℃)
Main Material:
1-Body: Cast Iron, Ductile Iron, Cast Steel, Bronze, Aluminum Alloy
2-Disc: WCB with galv, Stainless Steel, Bronze
3-Pin: Stainless Steel
4-Seat: NBR, EPDM,CR,FPM,VITION,PTFE
5-Stem: Stainless Steel
2-Disc: WCB with galv, Stainless Steel, Bronze
3-Pin: Stainless Steel
4-Seat: NBR, EPDM,CR,FPM,VITION,PTFE
5-Stem: Stainless Steel
Main Size:
| Nominal Pressure | Norminal Diameter | Structure& Flange Dimension | Hole of Nut | ||||||||||||||||||||
| ISO、JIS、GB | ISO(GB2501-89) | JIS | GB(GB569-65) | ISO | JIS | GB | |||||||||||||||||
| Mpa | mm | H | H1 | L1 | D0 | L | D | D1 | D2 | L | D | D1 | D2 | L | D | D1 | D2 | n | Th. | n | Th. | n | Th. |
| 1 | 50 | 280 | 90 | 160 | 140 | 43 | 165 | 125 | 102 | 40 | 155 | 120 | 88 | 43 | 135 | 103 | 84 | 4 | 18 | 4 | 19 | 6 | 16 |
| 65 | 295 | 100 | 160 | 140 | 46 | 185 | 145 | 122 | 40 | 175 | 140 | 112 | 46 | 155 | 123 | 104 | 4 | 18 | 4 | 19 | 6 | 16 | |
| 80 | 340 | 130 | 160 | 140 | 46 | 200 | 160 | 133 | 60 | 185 | 150 | 125 | 46 | 170 | 138 | 118 | 8 | 18 | 8 | 19 | 8 | 16 | |
| 100 | 360 | 135 | 160 | 140 | 52 | 220 | 180 | 158 | 60 | 210 | 175 | 144 | 52 | 190 | 158 | 138 | 8 | M16 | 8 | M16 | 8 | M14 | |
| 125 | 395 | 155 | 160 | 140 | 56 | 250 | 210 | 184 | 60 | 250 | 210 | 178 | 56 | 215 | 183 | 164 | 8 | M16 | 8 | M20 | 10 | M14 | |
| 150 | 430 | 170 | 190 | 220 | 56 | 285 | 240 | 212 | 70 | 280 | 240 | 207 | 56 | 240 | 208 | 190 | 8 | M20 | 8 | M20 | 12 | M14 | |
| 200 | 480 | 190 | 190 | 220 | 60 | 340 | 295 | 268 | 80 | 330 | 290 | 260 | 60 | 310 | 273 | 250 | 8 | M20 | 12 | M20 | 12 | M16 | |
| 250 | 550 | 225 | 225 | 300 | 68 | 395 | 350 | 320 | 90 | 400 | 355 | 316 | 68 | 380 | 336 | 310 | 12 | M20 | 12 | M22 | 14 | M20 | |
| 300 | 630 | 260 | 225 | 300 | 78 | 445 | 400 | 370 | 90 | 445 | 400 | 361 | 78 | 435 | 391 | 364 | 12 | M20 | 16 | M22 | 16 | M20 | |
| 350 | 680 | 270 | 225 | 380 | 78 | 505 | 460 | 430 | 100 | 490 | 445 | 404 | 78 | 485 | 441 | 414 | 16 | M20 | 16 | M22 | 18 | M20 | |
| 400 | 795 | 315 | 265 | 380 | 102 | 565 | 515 | 482 | 110 | 560 | 510 | 462 | 102 | 545 | 496 | 466 | 16 | M24 | 16 | M24 | 18 | M24 | |
| 450 | 860 | 340 | 265 | 380 | 114 | 615 | 565 | 532 | 130 | 620 | 565 | 530 | 114 | 600 | 551 | 520 | 20 | M24 | 20 | M24 | 20 | M24 | |
| 500 | 980 | 375 | 265 | 380 | 126 | 670 | 620 | 585 | 140 | 675 | 620 | 585 | 126 | 650 | 601 | 572 | 20 | M27 | 20 | M24 | 20 | M24 | |