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Check Valve

Size range:DN50~2200
Pressure:PN16~420
Body material:WCB, ductile iron, WCB, LCB, CF8, CF8M, CF3, CF3M, A890 4A, alloy steel, alloy steel and double -phase steel
Operation:flange, thread, welding, etc.
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Overview

Check valve is a valve that opens or closes by the force of medium flow to prevent the medium from backflowing. It is used in piping systems and can also be used to supply auxiliary systems in which the pressure may rise to exceed the pressure of the main system.

Features

  1. 1.The disc closes quickly and the water hammer pressure is low.
  2. 2.The horizontal or vertical pipes can be used, and the installation is convenient.
  3. 3.The flow tract is smooth and the fluid resistance is small.
  4. 4.The action is sensitive and the sealing performance is good.
  5. 5.The valve petals have a short itinerary and the impact of valve closes.
  6. 6.The overall structure, simple and compact, beautiful shape.
  7. 7.Long service life and high reliability.

Technical Specifications

DN Main Dimensions and Connection Dimensions
L D D1 D2 b   Z-d H
H44H-16C H44W-16C H44W-16P H44W-16R H44W-16
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-251
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

Note: Technical specifications may change without notice due to ongoing technological advancements.

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