American standard check valve belong to automatic valve class, it is to prevent the backflow medium pipeline, because of the restrictions on its function, only for one-way flow of medium on the pipeline, the purpose is to prevent medium return, in order to prevent unnecessary accidents.

This company produces the check valve American standard safety is manufactured in accordance with ANSI B16.34 design. Varieties are: swing check valve and lift check valve, vertical lifting check valve; Class 150 lb to 900 lb. NPS 1 "~ 28" fully conform to the working temperature - 40 ~ 570 ℃; Body material: WCB, WC1 WC6, WC9, C5, CF3, CF8, CF3M, CF8M, completely is to use a better material. In order to make it more prominent effect, now can be directly used to import equipment, the company provides professional American standard valves and other valves, welcome to the company or individual calls us.

The check valve technical parameters:

Apply pressure: PN0.1-32.0 MPa, ANSI CLASS 150-2500, JIS10-63 k;

General diameter: DN1-500 - mm, NPS 3/8-36 ";

Connection: flange, welding, thread;

Applicable temperature: C: 29 ℃ - 425, P - 30 ℃ -- 480 ℃ and 30 ℃ - R - 520 ℃, low temperature steel - 196 ℃ to 80 ℃;

Transmission forms: handwheel, manual, pneumatic, electric, hydraulic, pneumatic hydraulic linkage, etc.;

Main material: cast iron, cast steel, chrome molybdenum steel, forging steel, low temperature steel, alloy steel, 304, 316, 613 l.

Medium: water, steam, oil, nitric acid, acetic acid, oxidizing, corrosive medium, urea and other media.

The major parts material

The parts name CF8 CF3 CF8M CF3M

Body/bonnet CF8 CF3 CF8M CF3M

Ram CF8 CF3 CF8M CF3M

Stem F304 F304L F316 F316L

Filler PTFE woven PTFE woven PTFE woven PTFE braid

PTFE gasket PTFE + 304 + 304 l of PTFE PTFE + 316 + 316 l

Gland CF8 CF3 CF8M CF3M

Packing gland ring 304 304 l 304 316 l

Bolt A193 - B8 A193 - B8 A193 - B8M A193 - B8M

Nut A194-8 m A194-8 m A194 A194-8 m to 8 m

The main connection size

Type size (mm)

D1, D2 b z - inch DN L D Φ D H do

Z41W - 150 lb 1/2 "4 - Φ 15 108 89 60.5 35 12 15, 155, 120

3/4 "4 - Φ 20 117 98 70 43 12 15, 160, 120

1 "25, 127, 108 12 4-79.5 51 Φ 15, 200, 140

1 1/4 "32, 140, 117, 89 140 4-13 Φ 15, 245, 160

1 1/2 "4 - Φ 40 165 165 98.5 73 15 15, 285, 180

2 "4 - Φ 50 178 178 120.5 152 16 19, 315, 200

2 1/2 "65 190 178 105 139.5 4 to 18 Φ 19, 375, 220

3 ", 80, 203, 190, 152.5

127

4 - Φ 19 19, 400, 240

4 "100 229 229 157 190.5 8 and 24 Φ 19, 460, 280

5 "125 254 254 216 254 8-24 Φ 22, 540, 300

6 "150 267 279 216 241.5 8-26 Φ 22, 620, 320

8 "200 292 343 270 298.5 8-29 Φ 22, 800, 400

10 ", 250, 330, 406, 362, 324 and 12 - Φ 25, 850, 450

12 ", 300, 356, 483, 432, 381 and 12 - Φ 25, 1000, 500

12-14 "350 381 533 476 413 35 Φ 29, 1300, 600

16 "400 406 597 540 406 16-37 Φ 29, 1400, 600

16-18 "450 432 635 578 432 40 Φ 32, 1600, 650

20 "500 457 698 635 457 20-43 Φ 32, 1850, 650

24 "48 20-600 508 813 692 749.5 Φ 35, 2200, 700

The main connection size

Type size (mm)

D1, D2 b z - inch DN L D Φ D H do

Z41W - 300 lb 1/2 "4 - Φ 15 140 140 66.5 35 15 15, 155, 120

43 16 3/4 "20 152 152 82.5 4 - Φ 19, 160, 120

1 "51 18 April 25, 165, 124, 89 - Φ 19, 200, 140

1 1/4 "4 - Φ 32 178 133 98.5 178 19 19, 250, 160

1 1/2 "4 - Φ 40 190 156 114.5 73 21, 22, 290, 180

2 "50, 216, 165, 127 216 22. 8 - Φ 19, 330, 220

2 1/2 "65 241 190 149 105 25 8 - Φ 22, 385, 250

3 ", 80, 283, 210, 168.5 127 8-29 Φ 22, 410, 280

4 ", 100, 305, 254, 200, 157, 32 8 - Φ 22, 480, 300

5 "125 381 279 235 186 35 8 - Φ 22, 630, 350

6 ", 150, 403, 318, 270, 216 and 12 - Φ 22, 690, 350

8 ", 200, 419, 381, 330, 270 and 12 - Φ 25, 830, 450

10 "250 457 445 387.5 324 48 16 - Φ 29, 1003, 500

12 "300 502 521 451 502 16-51 Φ 32, 1137, 600

14 "350 762 584 514.5 762 20-54 Φ 32, 1489, 750

16 "57 20-400 838 648 470 571.5 Φ 35, 1581, 800

18 "450 914 711 628.5 914 24 to 60 Φ 35, 2017, 850

20 "500 991 775 686 584 991 24 - Φ 35, 2228, 900

24 "24 - Φ 41 600 1143 914 813 692 1143 2650, 950

Z41W - 600 lb 1/2 "4 - Φ 15 165 165 66.5 35 15 15, 155, 120

43 16 3/4 "20 190 190 82.5 4 - Φ 19, 160, 120

1 "51 18 April 25, 216, 124, 89 - Φ 19, 200, 140

1 1/4 "4 - Φ 19 32 229 133 98.5 229 21 250 160

23 4-1 1/2 "40 241 241 114.5 156 Φ 22, 290, 180

2 "50, 292, 165, 127, 92 and 8 - Φ 19, 350, 250

2 1/2 "65 330 190 149 330 8-29 Φ 22, 430, 250

3 ", 80, 356, 210, 168, 127, 32 8 - Φ 22, 470, 300

4 ", 100, 432, 273, 216, 157 and 8 - Φ 25, 570, 350

5 ", 125, 508, 330 186 45 8-266.5 Φ 29, 700, 400

6 "12-150 559 356 292 216 48 Φ 29, 750, 500

8 ", 200, 660, 419, 349, 270, 56 12 - Φ 32, 830, 600

10 ", 250, 787, 508, 432, 324, 64-16 Φ 35, 1210, 650

12 "300 838 559 489 381 838 20 - Φ 35, 1350, 700

14 "350 889 603 527 413 889 20 - Φ 38, 1600, 750

16 "400 991 686 603 470 991 20 - Φ 41 1800 800

18 "450 1092 743 654 1092 83 20 - Φ 44 2110 900

20 ", 500, 1194, 813, 724, 584, 89 and 24 - Φ 44 2350 950

24 "600 1397 940 838 692 1397-24 Φ 52, 2900, 1000