Marine Cast Steel Self-Closing Drain Valve CB/T601-92 Type F

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China Marine Cast Steel Self-Closing Drain Valve CB/T601-92 Type F:

Marine Self-closing Drain Valve is used on the pipe system with the medium sea water, fresh water, fuel oil, lubrication oil.

Design Standard:CB/T601-92

Test Standard: GB600

Type U-one side is flange, another side is thread.

Type F-Both sides are flanges.

Type Name Nominal pressure(Mpa) Nominal Diameter(mm)
A flange size as per GB569 0.25 15,25,40
AS flange size as per GB2501

Main Parts & Material:

Body: Bronze for DN15, Cast Steel for DN25,DN40

Seat: Bronze

Disc: Bronze

Stem: Bronze

Spring: Carbon spring steel wire

Main Size List(mm):

For Type A: (DN15 size as per the drawing)

nominal
diameter
Structure Dimension Flange screw end Lift Range m Weight
(kg)
L L1 L2 H H1 δ D D1 D2 b f n d Th. d1 d2
25 136 183 130 168 62 6 105 73 56 12 1 4 13 M42×2 39 29 10 3.1
40 170 203 140 195 80 7 125 93 74 13 1 6 15 –– 13 6.9

For Type AS:

nominal
diameter
Structure Dimension Flange screw end Lift Range m Weight
(kg)
L L1 L2 H H1 δ D D1 D2 b f n d Th. d1 d2
15 130 165 120 146 46 4 80 55 40 12 2 4 11 M30×2 27 19 7 1.75
25 160 183 130 168 62 6 100 75 60 14 2 4 11 M42×2 39 29 10 3.64
40 200 203 140 195 80 7 130 100 80 16 3 4 14 –– 13 6.93

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