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Marine Cast Iron Suction Inlet CB/T495-1995 Type B/BS
Category:
GB/CB/CBM Valve
Certificate:
ABS,LR,BV,DNVGL,NK,KR,IRS,RMRS,CCS
FOB Price:
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Warranty:
12 Months unless specified otherwise
Place of Origin:
China
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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


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