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Marine Cast Steel Screw Down Vertical Storm Valve CB/T3477-92 Type A/AS

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China Marine Cast Steel Screw Down Vertical Storm Valve CB/T3477-92 Type A/AS:

Marine Screw Down Vertical Storm Valve is used on the pipe system with the medium sea water, fresh water & sewage. It can be closed by the handwheel.

Design Standard:CB/T3477-92

Test Standard: GB600

Type A- Straight Type, Flange size as per GB569

Type AS-Straight Type, Flange size as per GB2501

Type B- Angle Type, Flange size as per GB569

Type BS-Angle Type, Flange size as per GB2501

Type Nominal Pressure (Mpa) Nominal Size (mm) Applicable medium
A,AS,B,BS 0.1 50-150 sea water, fresh water & sewage

Main Parts & Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc-Bronze

Stem-Bronze

Clamp Material-Brass

Main Size List(mm):

For Type A,B:

nominal
diameter 		structure dimension Thickness
δ 		flange connection dimension bolt hand wheel Lift Range m Weight(kg)
cast steel
H H1 H2 H3 L L1 L2 cast steel D D1 D2 b d0 n Th. Do S A B
50 210 170 360 327 135 90 100 7.5 135 103 84 13 15 6 M14 80 11 40 12 13
65 240 200 385 342 142 110 110 8.0 155 123 104 14 15 6 M14 80 11 45 17 19
80 260 220 400 370 155 120 120 8.5 170 138 118 14 15 8 M14 80 11 45 22 24
100 280 250 430 393 172 130 137 9.0 190 158 138 14 15 8 M14 80 11 45 30 35
125 330 270 465 407 195 150 160 10.0 215 183 164 14 15 10 M14 80 11 65 44 50
150 360 310 490 437 213 165 174 11.0 240 208 190 14 15 12 M14 120 11 65 52 67

For Type AS, BS:

nominal
diameter 		structure dimension Thickness
δ 		flange connection dimension bolt hand wheel Lift Range m Weight(kg)
cast steel
H H1 H2 H3 L L1 L2 cast steel D D1 D2 b d0 n Th. Do S AS BS
50 210 170 360 327 135 90 100 8.0 140 110 90 16 14 4 M12 80 11 40 12 13
65 240 200 385 342 142 110 110 8.0 160 130 110 16 14 4 M12 80 11 45 17 19
80 260 220 400 370 155 120 120 9.0 190 150 128 18 18 4 M16 80 11 45 22 24
100 280 250 430 393 172 130 137 9.0 210 170 148 18 18 4 M16 80 11 45 30 35
125 330 270 465 407 195 150 160 10.0 240 200 178 20 18 8 M16 80 11 65 44 50
150 360 310 490 437 213 165 174 10.0 265 225 202 20 18 8 M16 120 11 65 52 67
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