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Marine Cast Iron Screw Down Globe Check Valve GB/T591-2008 Type A/AS

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Details

China Marine Cast Iron Screw Down Globe Check Valve GB/T591-2008 Type A/AS:

Marine Cast Iron Screw Down Globe Check Valve also can be called as marine cast iron SDNR valve, stop check valve, SDNR globe valve.

Design Standard: GB/T591-2008, CBM1082-81, CBM1088-81

Test Standard: GB600

Flange size as per GB569,GB2501

Nominal Pressure(Mpa) Nominal Diameter(mm) Applicalbel Medium
0.6 50~300 sea water, fresh water, lubrication oil, fuel oil, steam not over 220℃
1.0 65~250
1.6 20~50


Main Material:

Body-Cast Iron(HT200)

Bonnet-Cast Iron(HT200)

Disc-Bronze(ZCuSn5Pb5Zn5)

Seat-Bronze(ZCuAl9Mn2)

Stem-Bronze / Stainless Steel


Main Size List(mm):

Type A:

PN (MPa) DN (mm) Structure Dimension Thickness δ Flange Bolt hand wheel Lift Range m Weight
L H≈
D D1 D2 d0 b n Th Do S kgs
1.0 65 290 310 9 155 123 104 15 15 6 M14 140 12 18 18.9
80 310 345 9 170 138 118 15 15 8 M14 160 14 24 23.0
100 350 374 10 190 158 138 15 15 8 M14 180 14 35 31.0
125 400 426 10 215 183 164 15 15 10 M14 200 17 44 39.3
150 480 482 11 240 208 190 15 16 12 M14 200 17 57 55.5
1.6 20 150 217 7 95 68 48 13 14 4 M12 80 8 7 5.7
25 160 217 7 105 73 56 13 14 4 M12 80 8 7 6.0
32 180 236 7 115 83 64 15 15 6 M14 100 9 9 7.0
40 200 260 8 125 93 74 15 16 6 M14 120 11 11 9.2
50 230 288 8 135 103 84 15 16 6 M14 140 12 14 11.9

Type AS:

PN (MPa) DN (mm) Structure Dimension Thickness δ Flange Bolt hand wheel Lift Range m Weight
L H≈
AS AS D D1 D2 d0 b n Th Do S kgs
0.6 50 230 288 8 140 110 90 14 16 4 M12 140 12 14 12.2
65 290 310 9 160 130 110 14 16 4 M12 140 12 18 19.2
80 310 345 9 190 150 128 18 18 4 M16 160 14 24 23.8
100 350 374 10 210 170 148 18 18 4 M16 180 14 35 34.5
125 400 426 10 240 200 178 18 20 4 M16 200 17 44 42.5
150 480 482 11 265 225 202 18 20 8 M16 200 17 57 58.7
175 540 557 11 295 255 232 18 22 8 M16 200 17 60 76.8
200 600 621 11 320 280 258 18 22 8 M16 280 24 68 102.0
250 730 721 13 375 335 312 18 24 12 M16 360 27 80 158.0
300 850 794 13 440 395 365 22 24 12 M20 450 32 100 218.0
1.0 65 290 310 9 185 145 122 18 20 4 M16 140 12 18 21.6
80 310 345 9 200 160 133 18 22 8 M16 160 14 24 26.0
100 350 374 10 220 180 158 18 24 8 M16 180 14 35 35.0
125 400 426 10 250 210 184 18 26 8 M16 200 17 44 44.3
150 480 482 11 285 240 212 22 26 8 M20 200 17 57 62.7
175 540 557 11 315 270 242 22 28 8 M20 280 24 60 80.3
200 600 621 11 340 295 268 22 28 8 M20 360 27 68 103.0
250 730 721 13 395 350 320 22 28 12 M20 450 32 80 160.0
1.6 20 150 217 7 105 75 58 14 16 4 M12 80 8 7 6.2
25 160 217 7 115 85 68 14 16 4 M12 80 8 7 6.6
32 180 236 7 140 100 78 18 18 4 M16 100 9 9 8.6
40 200 260 8 150 110 88 18 18 4 M16 120 11 11 11.0
50 230 288 8 165 125 102 18 20 4 M16 140 12 14 14.2

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