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Marine & Offshore Equipment Datasheet
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GB Marine Check Valve

Marine Cast Steel Flanged Anlge Check Valve GB/T586-1999 Type B/BS

Marine Cast Steel Flanged Angle Check Valve GB/T586-93 Type B/BS is the angle lift check valve used on the angle marine pipe system to prevent the backflow of medium. Technical Specification: Design and Manuf...

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Marine Cast Steel Flanged Anlge Check Valve GB/T586-1999 Type B/BS

Key Highlights

Category
GB Marine Check Valve
Standard
GB
Material
Cast Steel
Weight / Size
GB600 Flange size as per GB569, GB2501 Hydraulic Test Pressure:
Certificate
CCS, BV, ABS, GL, LR, DNV, NK,RINA, KR,IRS
We can supply according to your requirement, drawings, class certificate needs, and delivery schedule.

Technical Specifications

Category
GB Marine Check Valve
Model / SKU
Marine-Cast-Steel-Flanged-Anlge-Check-Valve-GB-T586-1999-Type-B-BS
Standard
GB
Material
Cast Steel
Weight / Size
GB600 Flange size as per GB569, GB2501 Hydraulic Test Pressure:
Certificate
CCS, BV, ABS, GL, LR, DNV, NK,RINA, KR,IRS
Warranty
12 Months unless specified otherwise
Origin
China

China Marine Cast Steel Flanged Anlge Check Valve GB/T586-1999 Type B/BS:

Marine Cast Steel Flanged Angle Check Valve GB/T586-93 Type B/BS is the angle lift check valve used on the angle marine pipe system to prevent the backflow of medium.

Technical Specification:

Design and Manufacturing Standard: GB/T586-1999, CBM1050-81, CBM1053-81

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) 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/B (Flange Size as per GB569):

PN (MPa) DN(mm) Structure Dimension Thickness δ Flange Bolt Lift Range
m 		Weight(kg)
L H≈ H1
A B A B B D D1 D2 d0 b n Th. A B
1.0 65 290 1 15 124 91 115 6 155 123 104 15 14 6 M14 18 12.5 10.6
80 310 125 151 110 125 7 170 138 118 15 14 8 M14 24 15.6 14.4
100 350 150 165 116 135 8 190 158 138 15 14 8 M14 35 24.5 19.9
125 400 175 184 124 155 8 215 183 164 15 14 10 M14 44 31.9 27.5
1.6 20 150 75 84 70 75 6 95 68 48 13 11 4 M12 7 3.3 3.2
25 160 80 84 70 80 6 105 73 56 13 12 4 M12 7 3.9 3.8
32 180 85 90 70 85 6 115 83 64 15 13 6 M14 9 5.8 5 1
40 200 90 99 75 90 7 125 93 74 15 13 6 M14 11 7.1 6.3
50 230 95 110 81 95 7 135 103 84 15 13 6 M14 14 8.8 8.5
65 290 1 15 128 94 115 7 170 132 110 17 15 8 M16 18 13.5 11.5
80 310 125 156 115 125 7 185 147 126 17 16 8 M16 24 18.0 16.9
100 350 150 158 119 135 8 205 167 146 17 15 10 M16 35 26.3 22.7

Type AS, BS (Flange Size as per GB2501):

PN (MPa) DN(mm) Structure Dimension Thickness δ Flange Flange Lift Range
m 		Weight(kg)
L H≈ H1
AS BS AS BS BS D D1 D2 d0 b n Th. AS BS
1.6 100 350 175 158 119 175 8 220 180 158 18 22 8 M16 28 30.4 28.1
125 400 200 184 124 200 8 250 210 184 18 22 8 M16 35 39.6 35.2
2.5 20 150 95 84 70 95 6 105 75 58 14 16 4 M12 7 4.2 4.2
25 160 100 84 70 100 6 115 85 68 14 16 4 M12 7 4.9 5.0
32 180 105 90 70 105 6 140 100 78 18 18 4 M16 9 8.4 7.9
40 200 115 99 75 115 7 150 1 10 88 18 18 4 M16 12 8.9 8.8
50 230 125 110 81 125 7 165 125 102 18 20 4 M16 15 10.4 10 1
65 290 145 128 94 145 7 185 145 122 18 22 8 M16 19 16.6 15.3
80 310 155 156 115 155 7 200 160 133 18 24 8 M16 23 22.1 20.0
100 350 175 158 119 175 8 235 190 158 22 24 8 M20 28 31.5 29.2