H41X Daming Check Valve

H41X daming check valve structure characteristics and usehe

H41X Daming Check Valve is mounted on the outlet pipe of the pump for the security pipes for avoiding the reversal rotation caused by the pressed water stream to impact the pump’s stopping. This valve is small volume, light and convenient. With guiding device, flexible closing, linear sealing, excellent check result and can reducing the closing noise efficiently.

Structure of H41X Daming Check Valve pic 1

H41X Daming Check Valve Main Technical Parameter

PN(MPa) 1.0 1.6 2.5  
Test pressure
(MPa)
Shell strength 1.5 2.4 3.75  
Sealing performance 1.1 1.76 2.75  
Working temperature ≤80℃  
Applicable medium Water,Oil  

H41X daming check valve material for main parts

Name of parts Body, seat Flap Sealing Spring
Material CI, Steelcasting, Cast-iron, Stainless steel Cast copper, Stainless steel NBR Stainless steel

H41X daming check valve main external and connection dimensions


DN mm
PN1.0 PN1.6 PN 2.5
L b f D2 D D1 Z-φd L b f D2 D D1 Z-φd L b f D2 D D1 Z-φd
40 115 18 2 85 150 110 4-18 115 18 2 85 150 110 4-18 115 18 2 85 150 110 4-18
50 120 20 3 102 165 125 4-18 120 20 3 102 165 125 4-18 120 20 3 99 165 125 4-18
65 130 20 3 122 185 145 4-18 140 20 3 122 185 145 4-18 140 22 3 118 185 145 8-18
80 150 22 3 133 200 160 8-18 150 22 3 133 200 160 8-18 150 24 3 132 200 160 8-18
100 165 24 3 158 220 180 8-18 180 24 3 158 220 180 8-18 180 24 3 156 235 190 8-22
125 190 26 3 184 250 210 8-18 210 26 3 184 250 210 8-18 210 26 3 184 270 220 8-26
150 210 26 3 212 285 240 8-22 220 26 3 212 285 240 8-22 220 28 3 211 300 250 8-26
200 255 28 3 268 340 295 8-22 255 30 3 268 340 295 12-22 255 30 3 274 360 310 12-26
250 310 28 3 320 395 350 12-22 310 32 3 320 405 355 12-26 310 32 3 330 425 370 12-30
300 362 28 4 370 445 400 12-22 362 32 4 370 460 410 12-26 362 34 4 389 485 430 16-30
350 380 30 4 428 500 460 16-22 430 36 4 428 520 470 16-26 430 38 4 450 555 490 16-33
400 450 32 4 482 565 515 16-26 490 38 4 482 580 525 16-30 490 40 4 505 620 550 16-36
450 545 32 4 532 615 565 20-26 545 40 4 532 640 585 20-30 545 42 4 555 670 600 20-36
500 580 34 4 585 670 620 20-26 580 42 4 585 715 650 20-33 580 44 4 615 730 660 20-36
Structure of H41X Daming Check Valve pic 2

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