Marine Cast Iron Suction Inlet CB/T495-1995 Type B/BS:
China Marine Cast Iron Suction Inlet CB/T495-1995 Type B/BS:
Marine Suction Inlet is used as the inlet of the oil tank, water tank in all kinds of vessels, also called as bell mouth.
Technical Specification:
Design Standard: CB/T495-1995, CB/T4230-2013, CBM1036-1981
Flange Standard: GB569, GB2501 or JIS, DIN, ANSI standard.
Type | Material | Connection Type | Nominal Size(mm) | Suitable Medium |
A | Carbon Steel | Flange type, Flange standard: GB569 | 20-300 | Fresh Waer, Sea Water, Oil |
AS | Carbon Steel | Flange type, Flange standard: GB2501 | ||
B | Cast Iron | Flange type, Flange standard: GB569 | 80-500 | |
BS | Cast Iron | Flange type, Flange standard: GB2501 | ||
C | Carbon Steel | Welding Type | 20-300 |
*When type A,AS is used on the water tank, the suction inlet should be with hot dip galvanizing.
*When type B, BS is used on the oil tank, the bottom of suction inlet should be welding with a ring of brazing.
*The suction inlet should pass the watertight test with 3minutes, and without leakage.
Main Parts & Material:
Body---Cast Iron (HT200)
Screw---Brass (H62)
Main Size List(mm):
For Type B:
DN | D3 | H | H1 | δ | D | D1 | D2 | b | d0 | f | n | Th. |
80 | 350 | 230 | 15 | 10 | 170 | 138 | 118 | 15 | 15 | 1 | 8 | M14 |
100 | 250 | 190 | 158 | 138 | ||||||||
125 | 370 | 260 | 20 | 215 | 183 | 164 | 10 | |||||
150 | 390 | 270 | 240 | 208 | 190 | 16 | 12 | |||||
200 | 450 | 30 | 295 | 264 | 247 |
DN | L | B | H | H1 | δ | n1 | d1 | D | D1 | D2 | b | d0 | f | n | Th. |
250 | 740 | 440 | 350 | 30 | 12 | 4 | M10 | 365 | 327 | 306 | 18 | 17 | 1 | 14 | M16 |
300 | 830 | 490 | 420 | 35 | 430 | 386 | 360 | 19 | 21 | M20 | |||||
350 | 920 | 550 | 490 | 40 | M12 | 480 | 436 | 410 | 20 | 16 | |||||
400 | 1010 | 600 | 560 | 45 | 530 | 486 | 460 | 21 | |||||||
450 | 1100 | 650 | 630 | 50 | 580 | 536 | 512 | 18 | |||||||
500 | 1190 | 710 | 700 | 635 | 591 | 567 | 22 | 20 |
For Type BS:
DN | D3 | H | H1 | δ | D | D1 | D2 | b | d0 | f | n | Th. |
80 | 350 | 230 | 15 | 10 | 190 | 150 | 128 | 18 | 18 | 3 | 4 | M16 |
100 | 250 | 210 | 170 | 148 | ||||||||
125 | 370 | 260 | 20 | 240 | 200 | 178 | 20 | 8 | ||||
150 | 390 | 270 | 265 | 225 | 202 | |||||||
200 | 450 | 30 | 320 | 280 | 258 | 22 |
DN | L | B | H | H1 | δ | n1 | d1 | D | D1 | D2 | b | d0 | f | n | Th. |
250 | 740 | 440 | 350 | 30 | 12 | 4 | M10 | 375 | 335 | 312 | 24 | 18 | 3 | 12 | M16 |
300 | 830 | 490 | 420 | 35 | 440 | 395 | 365 | 22 | 4 | M20 | |||||
350 | 920 | 550 | 490 | 40 | M12 | 490 | 445 | 415 | 26 | ||||||
400 | 1010 | 600 | 560 | 45 | 540 | 495 | 465 | 28 | 16 | ||||||
450 | 1100 | 650 | 630 | 50 | 595 | 550 | 520 | ||||||||
500 | 1190 | 710 | 700 | 645 | 600 | 570 | 30 | 20 |