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DIN Lift Check Valve

DIN Lift Check Valve

A lift check valve is an automatic sealing valve, the body relies on the flow of media and automatically switches the valve flap, effectively preventing the backward flow of media. The valve flap has stainless steel spring device, and the valve can be installed horizontally and vertically. The product has a reliable structure, excellent sealing, and long service life.

 

Additional information

Description

What is DIN Lift Check Valve

The DIN lift check valve operates through the vertical movement of a disc or piston within the valve body. When fluid flows in the intended direction, the pressure of the fluid lifts the disc, allowing flow to pass through. If the flow reverses, the disc moves back down and seals against a seat, stopping the backflow.

DIN lift check valves are commonly used in various industries, including water, wastewater, oil and gas, and chemical processing. These valves come in a range of sizes, materials, and pressure ratings, as specified by the DIN standards. The DIN standards ensure that the components are compatible, interchangeable, and meet the required performance criteria for their intended applications.

Technical specifications

  • Design standard: DIN EN 13709:2003
  • Face to face dimension: DIN EN 558-1:1995
  • Flanged ends: DIN EN 1092-1:2002
  • Welded ends: DIN EN 12627
  • Test & inspection: DIN EN 12266:2003

 

Parts of the DIN Lift Check Valve

 

din lift check valve

No. Parts Name Materials
1 Body GS-C25/1.0619 CF8/1.4301 CF8M/1.4408
2 Bonnet GS-C25/1.0619 CF8/1.4301 CF8M/1.4408
3 Seat Overlay 13Cr SS304 SS316
4 Disc surface Overiay 13Cr SS304 SS316
5 Spring SS304 SS304 SS316
6 Bolt A193 B7 A193 B8 A193 B8M
7 Gasket Graphite+SS Graphite+SS Graphite+SS

DIN Lift Check Valve Dimensions

PN16(DIN3202-F1)
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
L-RF 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980 1100
H-BW 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980 1100
H 77 77 0 85 95 105 120 130 140 155 180 215 260 315
PN25 (DIN3202-F1)
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400
L-RF 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980 1100
H-BW 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980 1100
H 100 105 120 130 135 149 160 169 194 222 255 305 355 410
PN40 (DIN 3202-F1)
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L-RF 130 150 160 180 200 230 290 310 350 400 480 600 730 850
H-BW 130 150 160 180 200 230 290 310 350 400 480 600 730 850
H 100 105 120 130 135 149 160 169 194 225 255 305 360 415
PN63 (DIN 3202-F2)
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L-RF 210 230 230 260 260 300 340 380 430 500 550 650 775 900
H-BW 210 230 230 260 260 300 340 3fl0 430 500 550 650 775 900
H 100 110 125 140 168 170 188 205 230 240 265 310 一.
PN100 (DIN 3202-F2)
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L-RF 210 230 230 260 260 300 340 380 430 500 550 650 775 900
H-BW 210 230 230 260 260 300 340 380 430 500 550 650 775 900
H 100 110 125 140 170 185 200 235 265 310 350 400

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