Swing Check Valves

Swing Check Valves

MOQ : 5 Piece

Business Type Manufacturer, Exporter, Supplier
Country of Origin India
Material Stainless Or Alloy Steel
Automatic Grade Automatic
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Preferred Buyer From

Location Worldwide

Product Details

Number Of Way
3way
Size
2
ASME Class
150# -600#

Metflow Engineers is the best swing check Valves Manufacturer and supplier in India. A swing check valve is mounted with a disc that swings on a hinge or shaft. The disc swings off the seat to allow forward flow and when the flow is stopped, the disc swings back onto the seat to block reverse flow. The weight of the disc and the return flow has an impact on the shut-off characteristics of the valve.


Often a lever and weight or a lever and spring are mounted to achieve optimum performance. Swing check valves with lever and weight are appropriate for installations with an increased risk of water hammer at standard velocities.


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Standard Materials

Parts Materials
Body WCB CF8 CF8M
Cover WCB CF8 CF8M
Hinge Pin SS 410 SS 304 SS 316
Disc CA 15 or 13Cr faced WVB CF8 CF8M
Seat 13% Cr. or Steel CoCr Alloy Faced CoCr Alloy Faced
Gasket Class 150: Corrugated Steel / Graphite
Class 300 - 1500: Spiral Stainless Steel / Graphite
Boby/Cover Nut Gr.2H Gr.8 Gr.8M
Body/Cover Stud Gr.B7 Gr.B8 B8M
Name Plate Stainless Steel

Specifications

Item Applicable STD.
Wall thickness and general design ≤ NPS 24 API 600, ISO 1868
Wall thickness and general design > NPS 24 ASME B16.34
Pressure Temperature Rating ASME B16.34
Face-to-Face dimensios for butt weld and flanged valves ASME B16.10
Testing Standard API 598
Flange Design ASME B16.5
Butt Welding Design ASME B16.25
Materials ASTM

ANSI Class 150

Dimensional Details As Per ANSI 150 # Class
Size 2" 2 1/2" 3" 4" 6" 8" 10" 12" 14" 16" 18" 20" 24"
F to F 203 216 241 292 356 495 622 699 787 914 978 978 1295
OD 150 180 190 230 280 345 405 485 535 595 635 700 815
THK 17.5 20.7 22.3 22.3 25.4 28.6 30.2 31.8 33.4 35 38.1 41.3 46.1
RFD 92 105 127 157 216 270 324 381 413 470 533 584 692
PCD 120.7 139.7 152.4 190.5 241.3 298.5 362 431.8 476.3 539.8 577.9 635 749.3
od 19.05 19.05 19.05 19.05 22.23 22.23 25.4 25.4 28.58 28.58 31.75 31.75 34.93
NOH 4 4 4 8 8 8 12 12 12 16 16 20 20
                           

ANSI Class 300

Dimensional Details As Per ANSI 300 # Class
Size 2" 2 1/2" 3" 4" 6" 8" 10" 12" 14" 16" 18" 20" 24"
F to F 266.7 292.1 317.5 355.6 444.5 533.4 622.3 711.2 838.2 863.6 977.9 1016 1346.2
OD 165 190 210 255 320 380 445 520 585 650 710 775 915
THK 20.7 23.9 27 30.2 35 39.7 46.1 49.3 52.4 55.6 58.8 62 68.3
RFD 92 105 127 157 216 270 324 381 413 470 533 584 692
PCD 127 149.2 168.3 200 269.9 330.2 387.4 450.8 514.4 571.5 628.6 685.8 812.8
od 19.05 22.22 22.22 22.22 22.22 25.4 28.57 31.75 31.75 34.93 34.93 34.93 41.28
NOH 8 8 8 8 12 12 16 16 20 20 24 24 24

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