GB T/1853 Marine Flanged Cast Steel Over Board Stop Check Valve
Materials of main parts
Body Material: Carbon steel
Disc Material: Cast aluminum bronze
Stem Material: Aluminum bronze
Overview
Application: This GB T/1853 Marine Flanged Cast Steel Over Board Stop Check Valve is designed for marine applications involving t sea water, fresh water.
Material Specification:
Parts Name | Material | |
|---|---|---|
Name | Marks | |
Body, Cover | Cast steel | ZG230-450 |
Disc, Seat | Cast aluminum bronze | ZCuAl9Mn2 |
Stem | Aluminum bronze | CuAl9Mn2 |
Technical Specifications:
Model: GB T/1853 Marine Flanged Cast Steel Over Board Stop Check Valve
Type | Name | Flange Connection Dimensions | Nominal Pressure PN (MPa) | Nominal Diameter DN (mm) | Available Medium |
|---|---|---|---|---|---|
A | Straight cabin side check valve | According to GB/T569 | 0.6 | 40 ~ 350 | Sea water, Fresh water |
B | Right-angle cabin side check valve | ||||
AS | Straight cabin side check valve | According to GB/T2501 | |||
BS | Right-angle cabin side check valve |
Dimensions
Type A & Type B
DN (mm) | Structure dimension | Thickness t | flange | bolt | Hand wheel | Life Range m | Weight(kg) | |||||||||||
A | B | |||||||||||||||||
H | L | H | L | L1 | D | D1 | D2 | d0 | b | n | Th. | D0 | S | A | B | |||
40 | 300 | 200 | 326 | 90 | 90 | 6 | 125 | 93 | 74 | 15 | 13 | 6 | M14 | 120 | 11 | 12 | 7.8 | 7.5 |
50 | 218 | 230 | 383 | 95 | 95 | 7 | 135 | 103 | 84 | 15 | 13 | 6 | M14 | 140 | 12 | 15 | 10.8 | 10.7 |
65 | 348 | 290 | 430 | 115 | 115 | 7 | 155 | 123 | 104 | 15 | 14 | 6 | M14 | 140 | 12 | 19 | 16.3 | 15.9 |
80 | 390 | 310 | 474 | 125 | 125 | 7 | 170 | 138 | 118 | 15 | 14 | 8 | M14 | 160 | 14 | 23 | 21.6 | 21.0 |
100 | 414 | 350 | 498 | 150 | 135 | 8 | 190 | 158 | 138 | 15 | 14 | 8 | M14 | 180 | 14 | 28 | 29.7 | 27.6 |
125 | 466 | 400 | 561 | 175 | 155 | 8 | 215 | 183 | 164 | 16 | 14 | 10 | M14 | 200 | 17 | 35 | 39.5 | 39.0 |
150 | 528 | 480 | 616 | 180 | 160 | 9 | 240 | 208 | 190 | 16 | 14 | 12 | M14 | 200 | 17 | 42 | 54.8 | 49.2 |
200 | 736 | 600 | 829 | 215 | 215 | 10 | 295 | 264 | 247 | 16 | 15 | 12 | M14 | 280 | 22 | 55 | 89.0 | 70.0 |
250 | 858 | 730 | 986 | 250 | 250 | 11 | 365 | 327 | 306 | 18 | 16 | 14 | M16 | 320 | 27 | 65 | 139.4 | 117.5 |
300 | 1015 | 850 | 1160 | 300 | 300 | 12 | 430 | 386 | 360 | 22 | 19 | 14 | M20 | 400 | 27 | 80 | 192.6 | 170.8 |
350 | 1065 | 980 | 1210 | 320 | 320 | 12 | 480 | 436 | 410 | 22 | 28 | 16 | M20 | 450 | 32 | 100 | 230.9 | 220.4 |
Type AS & Type BS
DN (mm) | Structure dimension | Thickness t | flange | bolt | Hand wheel | Lift Range m | Weight(kg) | |||||||||||
AS | BS | |||||||||||||||||
H | L | H | L | L1 | D | D1 | D2 | d0 | b | n | Th. | D0 | S | AS | BS | |||
40 | 300 | 200 | 326 | 115 | 115 | 6 | 130 | 100 | 80 | 14 | 16 | 4 | M12 | 120 | 11 | 12 | 8.2 | 7.9 |
50 | 218 | 230 | 383 | 125 | 125 | 7 | 140 | 110 | 90 | 14 | 16 | 4 | M12 | 140 | 12 | 15 | 12.8 | 11.6 |
65 | 348 | 290 | 430 | 145 | 145 | 7 | 160 | 130 | 110 | 14 | 16 | 4 | M12 | 140 | 12 | 19 | 19.5 | 18.6 |
80 | 390 | 310 | 474 | 155 | 155 | 7 | 190 | 150 | 128 | 18 | 18 | 4 | M16 | 160 | 14 | 23 | 24.9 | 23.8 |
100 | 414 | 350 | 498 | 175 | 175 | 8 | 210 | 170 | 148 | 18 | 18 | 4 | M16 | 180 | 14 | 28 | 32.65 | 30.7 |
125 | 466 | 400 | 561 | 200 | 200 | 8 | 240 | 200 | 178 | 18 | 20 | 8 | M16 | 200 | 17 | 35 | 45.8 | 44.7 |
150 | 528 | 480 | 616 | 225 | 225 | 9 | 265 | 225 | 202 | 18 | 20 | 8 | M16 | 200 | 17 | 42 | 59.8 | 54.9 |
200 | 736 | 600 | 829 | 275 | 275 | 10 | 320 | 280 | 258 | 18 | 22 | 8 | M16 | 280 | 24 | 55 | 97.1 | 78.3 |
250 | 858 | 730 | 986 | 325 | 325 | 11 | 375 | 335 | 316 | 18 | 24 | 12 | M16 | 320 | 27 | 65 | 148.4 | 126.6 |
300 | 1015 | 850 | 1160 | 375 | 375 | 12 | 440 | 395 | 365 | 22 | 24 | 12 | M20 | 400 | 27 | 80 | 201.7 | 179.2 |
350 | 1065 | 980 | 1210 | 425 | 425 | 12 | 490 | 445 | 415 | 22 | 24 | 12 | M20 | 450 | 32 | 100 | 239.9 | 229.6 |
