Marine Cast Steel Lift Check Valve GB/T586-1999 Type A/AS

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China Marine Cast Steel Lift Check Valve GB/T586-1999 Type A/AS:

Marine Lift Check Valve also can be called marine non-return valve.

Design Standard: GB/T586-93, CBM1050-81, CBM1053-81

Test Standard: GB600

Flange size as per GB569,GB2501

Nominal Pressure(Mpa) Nominal Diameter(mm) Applicalbel Medium
1.0 65~125 fresh water, lubrication oil, fuel oil, steam not over 300℃
1.6 20~125
2.5 20~100

Main Material:

Body-Cast Steel

Bonnet-Cast Steel

Disc Seal Ring-Welded Stainless Steel

Body Sea Ring-Welded Stainless Steel

Main Size List(mm):

Type A:

PN (MPa) DN(mm) Structure Dimension Thickness δ Flange Bolt Lift Range
m
Weight (kgs)
L H≈
D D1 D2 d0 b n Th.
1.0 65 290 124 6 155 123 104 15 14 6 M14 18 12.5
80 310 151 7 170 138 118 15 14 8 M14 24 15.6
100 350 165 8 190 158 138 15 14 8 M14 35 24.5
125 400 184 8 215 183 164 15 14 10 M14 44 31.9
1.6 20 150 84 6 95 68 48 13 11 4 M12 7 3.3
25 160 84 6 105 73 56 13 12 4 M12 7 3.9
32 180 90 6 115 83 64 15 13 6 M14 9 5.8
40 200 99 7 125 93 74 15 13 6 M14 11 7.1
50 230 110 7 135 103 84 15 13 6 M14 14 8.8
65 290 128 7 170 132 110 17 15 8 M16 18 13.5
80 310 156 7 185 147 126 17 16 8 M16 24 18.0
100 350 158 8 205 167 146 17 15 10 M16 35 26.3

Type AS:

PN (MPa) DN(mm) Structure Dimension Thickness δ Flange Flange Lift Range
m
Weight (kgs)
L H≈
D D1 D2 d0 b n Th.
1.6 100 350 158 8 220 180 158 18 22 8 M16 28 30.4
125 400 184 8 250 210 184 18 22 8 M16 35 39.6
2.5 20 150 84 6 105 75 58 14 16 4 M12 7 4.2
25 160 84 6 115 85 68 14 16 4 M12 7 4.9
32 180 90 6 140 100 78 18 18 4 M16 9 8.4
40 200 99 7 150 1 10 88 18 18 4 M16 12 8.9
50 230 110 7 165 125 102 18 20 4 M16 15 10.4
65 290 128 7 185 145 122 18 22 8 M16 19 16.6
80 310 156 7 200 160 133 18 24 8 M16 23 22.1
100 350 158 8 235 190 158 22 24 8 M20 28 31.5

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