Marine Cast Steel Flanged Check Valve GB/T586-93 Type A/AS:
China Marine Cast Steel Flanged Check Valve GB/T586-93 Type A/AS:
Marine Cast Steel Flanged Check Valve GB/T586 is a kind of Lift Check Valve.
Technical Specification:
Design Standard: GB/T586-93, 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 (Flange size as per GB569):
| 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 (Flange Size as per GB2501):
| 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 | |
