• Swing check valve
  • Swing check valve

Swing check valve

Material of swing check valve:  A536,A126,WCB,WC6,LCB,CF8,CF8M.CF3.CF3M,CN7M,904L

Size of swing check valve:   1/2inch(DN15) - 36 inch (DN900)

Pressure of swing check valve:  125LB(PN10)-2500LB(PN420)

Connection type :  Flange(FF,RF,FM,RTJ) BW

Kind of drive :  No

Operating temperature:   -100℃ - 600℃

Working medium:  water, gas,oil,Sulfuric acid and hydrochloric acid


catalogue:

Swing check valve.pdf



Introduction for swing check valve

Swing check valve is one type for the check valves, the check valve have anther name is non-return valve,this swing check valve only can horizontal installation,the speed of the closing for swing check valve is very quickly , also the seal is very good,the highest pressure for swing check valve can up to 2500LB(PN420), the body of the check valve can choose forged material or choose cast steel,this valve is opened or closed by the valve disc to rotate around the spindle outside the seat of the valves;  it is an automatic valve, working principle of this valves are automatically opened or closed by the force generated by the medium flowing within the pipeline. Its major function is to prevent the backflow of the medium in the pipeline, reverse rotation of the pump and its driving motor, and discharge of the medium in the container.


Features for swing check valve

Compact and reasonable product structure, reliable tightness and good performance;

Smooth fluid passageway and small fluid resistance;

Swing type disc.

Can be designed with a Damping Cylinder.

Rapid closing and flexible actions of the valve disc .

Small closing impact, water hammer is not liable to be generated.

Smooth fluid passageway and small fluid resistance.

Non-return valve

Product Specification

Face to Face 

Design Spec. Flange End Test & Check Pressure-Temp. Supply
Product Specification API600 ANSI B 16.10 ANSI B 16.5 API598 ANSI B 16.34 MSS SP-25 API600
API6D API6D API6D API6D

Materiallist

Part name Part Material Part Name
Body/Bonnet A216-WCB A217-WC6 A352-LCB A351-CF8M Body/Bonnet
Dissc A105 A182-F11 A182-F304 A182-F316 Dise
Rotating shaft A216-WCB A217-WC6 A182-F6a A182-F316 Swing Arm
Gasket 18~8 /18~8Flexible Graphite Gasket
Bolt A193-B7 A193-B7 A193-B7M A193-B8 Bolt
Temperature -29~425°C -29~550°C 46~350°C 40~550°C Suitable Temp.
Medium 7KWater, OilSteam Steam, Oil Steam , Oil Nitric Acid Suitable Medium

Main External and Connection Dimension (单位Unit:mm)

Type NPS DN Main external and connection dimension
in mm L D D1 D2 b z-φd H
2" 50 203 152 120.6 92 19 4-φ19 161
21/2" 65 216 178 139.7 105 22 4-φ19 180
3" 80 241 190 152.4 127 24 4-φ19 190
4" 100 292 229 190.5 157 24 8-φ19 203
5" 125 330 254 215.9 186 24 8-φ22 229
H44Y-150Lb 6" 150 356 279 241.3 216 25 8-φ22 257
8" 200 495 343 298.4 270 29 8-φ22 292

10" 250 622 406 362 324 30 12-φ25 355
12〃 300 698 483 431.8 381 32 12-φ25 396
14" 350 787 533 476.2 413 35 12-φ25 445
16" 400 864 597 539.8 470 37 16-φ29 490
18" 450 978 635 577.8 533 40 16-φ32 520
20〃 500 978 698 635 584 43 20-φ32 546
24" 600 1295 813 749.3 692 48 20-φ35 880
2" 50 267 165 127 92 22 8-φ19 179.5
21/2" 65 292 190 149.4 105 25 8-φ22 190
3" 80 318 210 168.1 127 29 8-φ22 212.4
4" 100 356 254 200.2 157 32 8-φ22 246
5" 125 400 279 235 186 35 12-φ22

6" 150 444 318 269.7 216 37 12-φ25 292
8" 200 533 381 330.2 270 41 16-φ29 328
H44Y-300Lb 10" 250 622 444 387.4 324 48 16-φ32 378.6
12" 300 711 521 450.6 381 51 20-φ32 420
14" 350 838 584 514.4 413 54 20-φ35 530
16" 400 864 648 571.5 470 57 20-φ35 584
18" 450 978 711 628.6 533 60 24-φ35 610
20" 500 1016

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