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Marine Cast Iron Flanged Check Valve GB/T592-93 Type A/AS
Category:
GB/CB/CBM Valve
Certificate:
ABS,LR,BV,DNVGL,NK,KR,IRS,RMRS,CCS
FOB Price:
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Warranty:
12 Months unless specified otherwise
Place of Origin:
China
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Marine Cast Iron Flanged Check Valve GB/T592-93 Type A/AS:
China Marine Cast Iron Flanged Check Valve GB/T592-93 Type A/AS:

Marine Cast Iron Flanged Check Valve GB/T592-93 is Marine Lift Check Valve to prevent the medium back flow.

Technical Specification:

Design Standard: GB/T592-93, CBM1089-81

Test Standard: GB600

Flange size as per GB569,GB2501

Hydraulic Test Pressure: 1.5 times of nominal pressure for body, 1.1 times of nominal pressure for seat.

Nominal Pressure(Mpa) Nominal Diameter(mm) Applicable Medium
0.6 50~150 sea water, fresh water, lubrication oil, fuel oil, steam not over 220℃
1.0 65~150
1.6 20~50
Main Material:

Body-Cast Iron(HT200)

Bonnet-Cast Iron(HT200)

Disc-Bronze(ZCuSn5Pb5Zn5)

Seat-Bronze(ZCuAl9Mn2)

Main Size List(mm):

Type A (Flange size as per GB569):

PN (MPa) DN (mm) Structure Dimension Thickness δ Flange Bolt Lift Range
m
Weight(kg)
L H≈ H1
D D1 D2 d0 b n Th
1.0 65 290 130 115 9 155 123 104 15 15 6 M14 19 15.1
80 310 151 125 9 170 138 118 15 15 8 M14 23 18.3
1.6 100 350 171 135 10 190 158 138 15 15 8 M14 28 24.8
125 400 189 155 10 215 183 164 15 15 10 M14 35 34.7
150 480 219 160 11 240 208 190 15 16 12 M14 42 48.4
20 150 87 75 7 95 68 48 13 14 4 M12 7 4.3
25 160 89 80 7 105 73 56 13 14 4 M12 7 4.4
32 180 93 85 7 115 83 64 15 15 6 M14 9 5.3
40 200 105 90 8 125 93 74 15 16 6 M14 12 7.3
50 230 117 95 8 135 103 84 15 16 8 M14 15 8.9

Type AS (Flange Size as per GB2501):

PN (MPa) DN (mm) Structure Dimension Thickness δ Flange Bolt Lift Range
m
Weight(kg)
L H≈
D D1 D2 d0 b n Th
0.6 50 230 117 8 140 110 90 14 16 4 M12 15 9.4
65 290 130 9 160 130 110 14 16 4 M12 19 15.5
80 310 151 9 190 150 128 18 18 4 M16 23 19.2
100 350 171 10 210 170 148 18 18 4 M16 28 28.6
125 400 189 10 240 200 178 18 20 8 M16 35 38.2
150 480 219 11 265 225 202 18 20 8 M16 42 52.0
1.0 65 290 130 9 185 145 122 18 20 4 M16 19 18.1
80 310 151 9 200 160 133 18 22 8 M16 23 21.6
100 350 171 10 220 180 158 18 24 8 M16 28 29.2
125 400 189 10 250 210 184 18 26 8 M16 35 40.2
150 480 219 11 285 240 212 22 26 8 M20 42 56.4
1.6 20 150 87 7 105 75 58 14 16 4 M12 7 4.8
25 160 89 7 115 85 68 14 16 4 M12 7 5.1
32 180 93 7 140 100 78 18 18 4 M16 9 7.1
40 200 105 8 150 110 88 18 18 4 M16 12 9.3
50 230 117 8 165 125 102 18 20 4 M16 15 11.4

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