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Marine Cast Steel Gate Valve is used to control the medium to open and close in the fuel oil, lubrication oil, steam, water pipe system with the temperature not over 300 degree centigrade.
Design Standard: JIS F7366-1996
Test Standard: JIS 7400-1996
Hydraulic Test Pressure: Body- 2.1Mpa, Seat-1.54Mpa
Flange size as per JIS B2220 - 10K
Main Material:
Body: Cast Steel(SC450)
Bonnet:Cast Steel(SC450)
Seat: Bronze (BC6) or Stainless steel (2Cr13)
Disc:Bronze (BC6) or Stainless steel (2Cr13)
Stem: Brass (C3771BD) or SUS403
Gasket: non-asbestos
Packing Gland: Bronze (BC6) or Stainless steel (2Cr13)
Handwheel: FC200 (Cast Iron)
Main Size List(mm):
Size | L | Flange diam. (D) | Pitch (C) | No of Bolt Hole | h | t | H | D2 |
50 | 200 | 155 | 120 | 4 | 19 | 16 | 300 | 140 |
65 | 220 | 175 | 140 | 4 | 19 | 18 | 350 | 160 |
80 | 230 | 185 | 150 | 8 | 19 | 18 | 400 | 180 |
100 | 250 | 210 | 175 | 8 | 19 | 18 | 450 | 200 |
125 | 270 | 250 | 210 | 8 | 23 | 20 | 520 | 224 |
150 | 290 | 280 | 240 | 8 | 23 | 22 | 580 | 280 |
200 | 310 | 330 | 290 | 12 | 23 | 22 | 700 | 355 |
250 | 340 | 400 | 355 | 12 | 25 | 24 | 840 | 400 |
300 | 380 | 445 | 400 | 16 | 25 | 24 | 960 | 450 |
350 | 420 | 490 | 445 | 16 | 25 | 26 | 1050 | 500 |
400 | 480 | 560 | 510 | 16 | 27 | 28 | 1150 | 560 |
