Swing Check Valve

Swing Check ValveClick to view the big picture
Short Description
 Model No.: H44H    Hits: 1395

Key Specifications / Features

Swing check valve is designed and manufactured according to GB12236 standards strictly. The hinge pin and disc is connected internally with the advantages of excellent properties, reliable seal. Swing check vale is widely utilized for pipelines in petroleum, chemical engineering, power and other industries.
 
The closure member open and close automatically depends on the flowing of medium and power to prevent refluence of medium is called check valve.
 
Check valve is a kind of automatic valves. It is mainly used for pipe line which only allows one-way medium to avoid accident. Based on structure, check valve can be classified into lift check valve, swing check valve and butterfly check valve.
 
Characteristics
 Test Pressure Nominal Pressure(MPa) 
  1.6 2.5 4.0 6.4 10.0
Shell Test 2.4 3.8 6.0 9.6 15.0
Seal Test 1.8 2.8 4.4 7.1 11.0
Materials WCB(C) CF8(P) CF 8M (R) WC6 WC9
Working Temperature ≤ 425 ≤ 100 ≤ 100 ≤ 550 ≤ 550
Applicable Temperature Water,vapour, oil nitrose Acetic acids Water,vapour Water, vapour

Standards
Manufacturing: GB12236   Face to Face: GB12221     Flange: JB/T79-1994    Test & Inspection: JB/T9092-1999

Dimensions

Nominal Diameter PN1.6/2.5MPa PN4.0MPa PN6.4/10.0MPa
  L H L H L H
  Series 1 Series 2   Series 1 Series 2      
DN40 200 200 130 200 200 130 260 160
DN50 230 230 135 230 230 135 300 170
DN65 290 290 145 290 290 145 340 180
DN80 310 310 175 310 310 175 380 245
DN100 350 350 200 350 350 200 430 290
DN125 400 400 255 400 400 255 500 320
DN150 480 480 320 480 480 320 550 360
DN200 495 550 380 533 550 380 650 430
DN250 622 650 440 622 650 440 775 505
DN300 698 750 480 711 750 520 900 555
DN350 787 850 530 838 850 540 1025 595
DN400 864 950 560 864 950 590 1150 680
DN450 978 1050 620 978 1050 650 1275 780
DN500 978 1150 655 978 1150 720 1400 970  


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