Marine Bronze Suction Sea Valve GB T2030 1980

Marine Bronze Suction Sea Valve GB T2030 1980

Marine Bronze Suction Sea Valve GB/T2030-1980:

1. Technical data.

PN(Mpa) DN(mm) Available medium
0.4 80-400 Sea water

2. Materials of major parts.

Parts Name Material
Name Marks
Body and Cover Cast tin bronze ZCuSn10Zn2
Disc and Seat Cast tin bronze ZCuSn10Zn2
Stem Aluminum bronze QA19-2

3. Diagram drawing.

Marine sea valve diagram drawing

D. Specification.

DN Frame dimension Flange Bolt Hand wheel
(D0) 		Lift range
(m≈) 		Weight
(kg)
L H≈ D D1 D2 b d n Th
80 125 360 170 138 118 14 15 8 M14 160 24 19.0
100 135 415 190 158 138 180 30 23.6
125 160 470 215 183 164 10 200 40 31.2
150 175 506 240 208 190 12 225 48 49.8
200 220 595 295 264 247 15 280 60 70.0
250 260 698 365 327 306 16 17 14 M16 360 70 111.0
300 300 780 430 386 360 19 22 M20 400 78 170.3
350 320 910 480 436 410 20 16 450 100 229.0
400 380 960 530 486 460 21 500 110 299.0

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