Cast steel swing check valve

Cast steel swing check valve

Product model: H44H

Nominal diameter: DN15~600mm

Nominal pressure: PN1.0~2.5MPa

Operating temperature: 0°C~425°C

Applicable medium: water, steam, oil, etc.


Product Description

The national standard swing check valve adopts a built-in rocker arm swing structure. All opening and closing parts of the valve are installed inside the valve body and do not penetrate the valve body. Except for the sealing gasket and sealing ring used in the middle flange, the overall There is no leakage point, eliminating the possibility of valve leakage. The connection between the rocker arm and the valve disc adopts a spherical connection structure, so that the valve disc has a certain degree of freedom in the range of 360 degrees, and has appropriate micro-position compensation. Widely used in chemical, metallurgy, pharmaceutical and other fields.



Main external connection dimensions 

DN Main external connection dimensions and weight
L D D1 D2 b Z-d H
H44H-16C H44W-16C H44W-16P H44W-16R H44W-16I
25 160 115 85 65 16 4-14 100
32 180 135 100 78 16 4-18 105
40 200 145 100 85 16 4-18 115
50 230 160 125 100 16 4-18 135
65 290 180 145 120 18 4-18 142
80 310 195 160 135 20 8-18 165
100 350 215 180 155 20 8-18 180
125 400 245 210 185 22 8-18 210
150 480 280 240 210 24 8-23 233
200 500 335 295 265 26 12-23 304
250 550 405 355 320 30 12-25 348
300 650 460 410 375 30 12-25 390
350 750 520 470 435 34 16-25 430
400 850 580 525 485 36 16-30 468
H44H-25 H44W-25 H44W-25P H44W-25R H44W-25I
25 160 115 85 65 16 4-14 100
32 180 135 100 78 16 4-18 105
40 200 145 110 85 16 4-18 115
50 230 160 125 100 20 4-18 160
65 290 180 145 120 22 8-18 175
80 310 195 160 135 22 8-18 185
100 350 230 190 160 24 8-23 220
125 400 270 220 188 28 8-25 248
150 480 300 250 218 30 8-25 276
200 550 360 310 278 34 12-25 350
250 650 425 370 332 36 12-30 410
300 750 485 430 390 40 16-30 430
350 850 550 490 448 44 16-34 518
400 950 610 550 505 48 16-34 560


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