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Marine Center-Pivoted Worm Manual Lug Butterfly Valve

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Details

China Marine Center-Pivoted Worm Manual Lug Butterfly Valve:

Marine Center-Pivoted Worm Manual Lug Butterfly Valve is operated by worm gear, used to adjust the flow rate, open and close the pipe system in the marine pipe system.

Technical Specification:

Design Standard: GB/T3036-1994 Type B/BS

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

Main Size:

Nominal
Pressure
Mpa 		Norminal
diameter 		Structure& Flange Dimension Hole of Bolt
ISO、JIS、GB ISO JIS GB(GB569-65) ISO JIS GB
H H1 L1 D0 L D D1 D2 L D D1 D2 L D D1 D2 n Th. n Th. n Th.
1.0 50 280 80 160 160 43 165 125 102 40 155 120 88 43 135 103 84 4 M16 4 M16 6 16
65 295 90 160 160 46 185 145 122 40 175 140 112 46 155 123 104 4 M16 4 M16 6 16
80 340 120 160 160 46 200 160 133 60 185 150 125 46 170 138 118 8 M16 8 M16 8 16
100 360 130 160 160 52 220 180 158 60 210 175 144 52 190 158 138 8 M16 8 M16 8 M14
125 395 150 160 160 56 250 210 184 60 250 210 178 56 215 183 164 8 M16 8 M20 10 M14
150 430 165 180 220 56 285 240 212 70 280 240 207 56 240 208 190 8 M20 8 M20 12 M14
200 485 195 180 220 60 340 295 268 80 330 290 260 60 310 273 250 8 M20 12 M20 12 M16
250 570 225 210 300 68 395 350 320 90 400 355 316 68 380 336 310 12 M20 12 M22 14 M20
300 630 250 210 300 78 445 400 370 90 445 400 361 78 435 391 364 12 M20 16 M22 16 M20
350 730 280 275 380 78 505 460 430 100 490 445 404 78 485 441 414 16 M20 16 M22 18 M20
400 800 310 275 380 102 565 515 482 110 560 510 462 102 545 496 466 16 M24 16 M24 18 M24

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