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Cast Steel Kingston Valve

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China Cast Steel Kingston Valve:

Kingston Valve is the marine sea valve/sea suction valve. It is the water inlet valve in the bottom or side of the boat, used to control the outboard water into the ship for cleaning and cooling of the ship.

Technical Specification:

Design Standard: GB/T2029-2008, CBM1041-81, GB/T11691

Test Standard: GB600

Flange size as per GB569,GB2501

Hydraulic Test Pressure: 0.6Mpa for body, 0.44Mpa for seat.

Nominal Pressure(Mpa) Nominal Diameter(mm) Applicable Medium
0.4 B50-400 sea water,fresh water
BS50-400

Main Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc-Bronze

Seat-Bronze

Stem-Bronze

Handwheel-Cast Steel

Main Size List(mm):

Size for Type B:

DN (mm) Structure Dimension Flange Bolt Thickness t handle D0 lift range m Weight(kg)
L H D D1 D2 b d0 n Th.
50 125 230 135 103 84 13 15 6 M14 7 140 16 14.4
65 145 240 155 123 104 13 15 6 M14 7 140 20 17.6
80 155 260 170 138 118 14 15 8 M14 7 160 24 16.8
100 175 280 190 158 138 14 15 8 M14 8 180 30 21.8
125 200 310 215 183 164 14 15 10 M14 8 200 40 30.8
150 225 340 240 208 190 14 15 12 M14 9 225 48 47.8
200 275 375 295 264 247 15 15 12 M14 9 280 60 68.4
250 325 425 365 327 306 16 17 14 M16 10 360 70 104.0
300 375 480 430 386 360 19 22 14 M20 11 400 78 167.0
350 425 560 480 436 410 20 22 16 M20 11 450 100 221.0
400 475 640 530 486 460 21 22 16 M20 12 500 110 292.0

Size for Type BS:

DN (mm) Structure Dimension Flange Bolt Thickness t handle D0 lift range m Weight(kg)
L H D D1 D2 b d0 n Th.
50 125 230 140 110 90 16 14 4 M12 7 140 16 15.1
65 145 240 160 130 110 16 14 4 M12 7 140 20 17.6
80 155 260 190 150 128 18 18 4 M16 7 160 24 21.0
100 175 280 210 170 148 18 18 4 M16 8 180 30 25.7
125 200 310 240 200 178 20 18 8 M16 8 200 40 36.5
150 225 340 265 225 202 20 18 8 M16 9 225 48 59.8
200 275 375 320 280 258 22 18 8 M16 9 280 60 80.7
250 325 425 375 335 312 24 18 12 M16 10 360 70 121.0
300 375 480 440 395 365 24 22 12 M20 11 400 78 184.0
350 425 560 490 445 415 24 22 12 M20 11 450 100 247.0
400 475 640 540 495 465 24 22 16 M20 12 500 110 324.0
450 500 720 595 550 520 24 22 16 M20 12 550 150 467.2
500 525 800 645 600 570 26 22 20 M20 13 600 155 550.9
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