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Flange Check Valve ANSI

Flange Check Valve ANSI

Application:
The nominal pressure of this check valve should be 150 LB ~ 600 LB, while the working temperature should be -29 ℃~ 550 ℃. It can be applied to various pipelines in petroleum, chemical, coal-fired power plant, etc. The applicable medium of this flange check valve ANSI can be water, oil, steam, etc.

Structure and Feature:
1. The materials of our flange check valve ANSI are well-selected and high quality. Most of them are in accord with the domestic and foreign relevant standards;

2. The disc, seat of this valve is made of the iron base alloy, satellite and cobalt base horniness alloy. Therefore, this valve has the traits of wear-resistance, high temperature resistance, corrosion resistance; scratch and long service life;

3. The design and manufacturing of this flange check valve ANSI can meet the standard of GB/T12235;

4. A variety of piping flange standards and flange seal type can be used in this valve to meet all kinds of engineering needs and customer's requirements.

5. The body materials of this flange check valve ANSI are various. The gaskets can be reasonable selected according to the actual working or user requirements. Our products can be applied to all kinds of pressure, temperature and medium conditions.

Note: Check valve with different structures and connection forms can be designed and manufactured according to your requirements to support various equipments.

Products Standard of Flange Check Valve ANSI:

Type Design and manufacturing Structure length Flange size Pressure~Temperature Test~Check
Swing check valve ANSI B16.34 ANSI B16.10 ANSI B16.15 ANSI B16.34 API 598
Lift check valve BS 1868

Properties of Flange Check Valve ANSI:

Nominal pressure (Lb) 150 300 600
Strength test MPa 3.1 7.8 15.3
Lbf/in2 450 1125 2225
Water sealing test MPa 2.2 5.6 11.2
Lbf/in2 315 815 1630
Air seal test MPa 0.5~0.7
Lbf/in2 60~100

Material and Performance of Flange Check Valve ANSI:

Body, cover, petal, pitman, guide Pin roll Gasket Seal surface Working temperate
(℃)
Suitable medium
WCB 2Cr13 Flexible graphite
1Cr13/
stainless steel /
acid-resisting asbestine
PTFE
tooth-type gasket
13Cr
STL
PTFE
Nylon
≤425 Water, steam, oil products,
nitric acid, acetic acid,
strong oxidation medium, urea
WC1 ≤450
WC6 ≤540
WC9 ≤570
C5 C12 ≤550
CF8 304 ≤600
CF3 316
CF8M 304L
CF3M 316L

External and Connecting Dimensions of Flange Check Valve ANSI:unit: mm

NPS DN Class 150Lb WT(Kg)
in mm L D D1 D2 b Z-ΦD H
2" 50 203 157 120.7 92 19.50 4-Φ19 161 17
21/2" 65 216 178 139.7 105 22.5 4-Φ19 180 23
3" 80 241 190.5 152.4 127 24 4-Φ19 190 33
4" 100 292 229 190.50 157.2 24 8-Φ19 220 44
6" 150 356 279 241.5 216 25.5 8-Φ22.5 257 78
8" 200 495 343 298.5 270 29 8-Φ22.5 292 137
10" 250 622 406 362 324 30.5 12-Φ25 350 207
12" 300 698 483 432 381 32 12-Φ25 398 279
14" 350 787 533 476.8 413 35 12-Φ29 445 387
16" 400 864 597 539.8 470 37 16-Φ29 490 446
18" 450 978 635 577.8 533 40 16-Φ32 520 621
20" 500 978 698 635 584 43 20-Φ32 546 770
24" 600 1295 813 749.3 692 48 20-Φ35 880 970

Class 300Lb

2" 50 267 165 127 92 22.5 8-Φ19 179.5 20
21/2" 65 292 190 150 105 25 8-Φ22 190 24
3" 80 318 210 168 127 29.0 8-Φ22.5 212.4 40
4" 100 356 254 200 157 32.0 8-Φ22.5 246 51
6" 150 445 317.5 269.7 216 37.0 12-Φ22.5 292 90
8" 200 533 381 330 270 41.5 12-Φ25.5 328 175
10" 250 622 444.5 387 324 48.0 16-Φ28.5 378.6 210
12" 300 711 521 451 381 51.0 16-Φ32 420 286
14" 350 838 584 514 54 54 20-Φ32 470 400
16" 400 864 648 572 57 57 20-Φ35 530 550
18" 450 978 711 629 60 60 24-Φ35 584 700
20" 500 1016 775 686 64 64 24-Φ35 610 860
24" 600 1346 914 813 70 70 24-Φ41 860 1931

Class 600Lb

2" 50 292 165 127 92 25 8-Φ19 203 34
21/2" 65 330 190 150 105 29 8-Φ22 229 45
3" 80 356 210 168 127 32 8-Φ22 235 63
4" 100 432 273 216 157 38 8-Φ25 286 114
6" 150 559 356 292 216 48 8-Φ29 330 207
8" 200 660 419 349 270 56 12-Φ29 381 387
10" 250 787 508 432 324 64 12-Φ32 457 580
12" 300 838 559 489 381 67 16-Φ35 584 778
14" 350 889 603 527 413 70 20-Φ38 635 9869
16" 400 991 686 603 470 76 20-Φ41 684 1380

Statement: this information is just for reference, for detailed information, please contact us.

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