
H44H, H44W, and H44Y swing check valves refer to valves that automatically open and close the valve disc based on the flow of the medium itself, to prevent medium backflow. They are also known as check valves, one-way valves, backflow valves, and backpressure valves. A check valve is an automatic valve that primarily functions to prevent media backflow, prevent pump and drive motor reversal, and discharge container media.
Item NO.:
XUVAL88-229Lead Time:
50 DaysProduct Orgin:
CHINABrand:
XUVALShipping Port:
ShanghaiPayment:
100%TTMOQ:
1Main technical parameters
Model | H44H/W/Y-16 | H44H/W/Y-25 | |
Nominal pressure (Mpa) | 1.6 | 2.5 | |
Test pressure(Mpa) | Case | 2.4 | 3.8 |
Seal | 1.76 | 2.75 | |
Applicable temperature (℃) | WCB(≤425℃) | ||
Cr5Mo(≤550℃) | |||
1Cr18Ni12Mo2Ti(≤200℃) | |||
1Cr18Ni9Ti(≤200℃) | |||
Applicable Medium | Water, oil, steam, acidic media |
Main overall dimensions(1.5Mpa)
DN | L | D | D1 | D2 | b-f | n-d | D0 | H |
50 | 230 | 160 | 125 | 100 | 20-3 | 4-18 | 185 | 177 |
65 | 290 | 180 | 145 | 120 | 22-3 | 8-18 | 215 | 192 |
80 | 310 | 195 | 160 | 135 | 22-3 | 8-18 | 235 | 192 |
100 | 350 | 215 | 190 | 160 | 24-3 | 8-23 | 260 | 217 |
125 | 400 | 245 | 220 | 188 | 28-3 | 8-25 | 296 | 250 |
150 | 480 | 300 | 250 | 218 | 30-3 | 8-25 | 330 | 270 |
200 | 550 | 360 | 310 | 276 | 34-3 | 12-25 | 380 | 350 |
250 | 650 | 425 | 370 | 330 | 36-3 | 16-30 | 430 | 410 |
300 | 750 | 485 | 430 | 390 | 40-4 | 16-30 | 490 | 430 |
350 | 850 | 550 | 490 | 448 | 44-4 | 16-34 | 545 | 450 |
400 | 950 | 610 | 550 | 505 | 48-4 | 16-34 | 600 | 560 |
500 | 1150 | 730 | 660 | 610 | 52-4 | 20-41 | 730 | 618 |
Main overall dimensions(1.6Mpa)
DN | L | D | D1 | D2 | b-f | n-d | D0 | H |
50 | 230 | 160 | 125 | 100 | 16-2 | 4-18 | 185 | 160 |
65 | 290 | 180 | 145 | 120 | 18-3 | 4-18 | 215 | 177 |
80 | 310 | 195 | 160 | 135 | 20-3 | 8-18 | 235 | 187 |
100 | 350 | 215 | 180 | 155 | 20-3 | 8-18 | 255 | 202 |
125 | 400 | 245 | 210 | 185 | 24-3 | 8-18 | 285 | 227 |
150 | 480 | 280 | 240 | 210 | 26-3 | 8-23 | 330 | 263 |
200 | 550 | 335 | 295 | 265 | 30-4 | 12-23 | 385 | 293 |
250 | 650 | 405 | 355 | 320 | 30-4 | 12-25 | 455 | 330 |
300 | 750 | 460 | 410 | 375 | 34-4 | 12-25 | 515 | 382 |
350 | 850 | 520 | 470 | 435 | 36-4 | 16-25 | 545 | 430 |
400 | 950 | 580 | 525 | 485 | 36-4 | 16-30 | 600 | 480 |
500 | 1150 | 705 | 620 | 608 | 44-4 | 20-34 | 730 | 560 |
Material for main parts
Part Name | Material grade | |||
Valve body, Valve cover, Valve disc, Rocker | WCB | ZGCr5Mo | ZG1Cr18Ni9Ti | ZG1Cr18Ni12M02Ti |
Valve seat | 25 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
Pivot pin | 1Cr17Ni2 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | |
Sealing ring and gasket | Wrapping pad | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
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