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Fakai Valve Factory Site: Yongxing Industrial Zone, Longwan District, Wenzhou City Tel: 0577-88767789
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H41X / H energy-saving muffler check valve

H41X / H energy-saving muffler check valve structure diagram
H41X / H energy-saving muffler check valve structure diagram

Structural features

H41H / X energy-saving muffler check valve is generally suitable for water supply and drainage pipelines. The valve disc is guided by the central axis at both ends of the inlet. It is flexible to open and close and can be installed horizontally or vertically. H41X damping check valve is designed with spring loaded, its fast closing can effectively eliminate water hammer, good sealing performance, closed without noise. It has the advantages of small size, light weight, small fluid resistance, fatigue resistance and long life.

Performance specifications

model Nominal pressure (MPa) Shell test pressure (MPa) Sealing test pressure (MPa) Applicable medium Working temperature ℃
H41X-10 1.0 1.5 1.1 Water and weakly corrosive fluids ≤80
H41X-16 1.6 2.4 1.76 Water and weakly corrosive fluids ≤80

Parts material

model Valve body Sealing ring spring
H41X-10 Cast iron or stainless steel Nitrile rubber (NBR) Stainless steel wire lCr18Ni9Ti
H41X-16 Cast steel or stainless steel Nitrile rubber (NBR) Stainless steel wire lCr18Ni9Ti

Dimension table

Nominal pressure
PN (MPa)
Nominal diameter
DN (mm)
Size (mm)
L D K b Z-Φd
1.0 40 112 145 110 18 4-18
50 120 160 125 20 4-18
65 130 180 145 20 4-18
80 150 195 160 twenty two 8-18
100 165 215 80 twenty four 8-18
125 190 245 210 26 8-18
150 210 280 240 26 8-22
200 255 335 295 28 8-22
250 310 390 350 28 12-22
300 320 440 400 28 12-22
350 380 500 460 30 16-22
400 405 565 515 32 16-26
450 430 615 565 32 20-26
500 450 670 620 34 20-26
600 510 780 725 36 20-30
1.6 40 112 145 110 18 4-18
50 120 160 125 20 4-18
65 130 180 145 20 4-18
80 150 195 160 twenty two 8-18
100 165 215 180 twenty four 8-18
125 190 245 210 26 8-18
150 210 280 240 26 8-22
200 255 335 295 30 12-22
250 310 405 355 32 12-26
300 320 460 410 32 12-26
350 380 520 470 36 16-26
400 405 580 525 38 16-30
450 430 640 585 40 20-30
500 450 715 650 42 20-33
600 510 840 770 48 20-36