CE/ISO9001 approved Z41H ss stem gate valve water gate valve
Material:
Valve Body/Bonnet:CF8;
Valve Stem:304,316;
Packing:flexible graphite;
Screw Nut:aluminum bronze;
Suitable Medium:water,steam,oil,etc
Suitable Temparature:-29~425℃
Design and Manufacture:Conform to GB/T 12235
Face-to-face:conform to GB/T 12221
Flange connection:conform to JB/T 179.1
Testing:Conform to GB/T 26480
| DN | L | D | D1 | D2 | D6 | b | n-Φd | H | D0 |
|---|
| 15 | 130 | 95 | 65 | 45 | 40 | 16 | 4-Φ14 | 134 | 120 |
| 20 | 150 | 105 | 75 | 55 | 51 | 16 | 4-Φ14 | 188 | 140 |
| 25 | 160 | 115 | 85 | 64 | 58 | 16 | 4-Φ14 | 206 | 140 |
| 32 | 180 | 135 | 100 | 78 | 66 | 18 | 4-Φ18 | 272 | 180 |
| 40 | 200 | 145 | 110 | 85 | 76 | 18 | 4-Φ18 | 322 | 180 |
| 50 | 250 | 160 | 125 | 100 | 88 | 20 | 4-Φ18 | 370 | 240 |
| 65 | 280 | 180 | 145 | 120 | 110 | 22 | 8-Φ18 | 394 | 280 |
| 80 | 310 | 195 | 160 | 135 | 121 | 22 | 8-Φ18 | 455 | 300 |
| 100 | 350 | 230 | 190 | 160 | 150 | 24 | 8-Φ23 | 550 | 320 |
| 125 | 400 | 270 | 220 | 188 | 176 | 28 | 8-Φ25 | 636 | 350 |
| 150 | 450 | 300 | 250 | 218 | 204 | 30 | 8-Φ25 | 706 | 400 |
| 200 | 550 | 375 | 320 | 282 | 260 | 38 | 12-Φ30 | 859 | 450 |
| 250 | 650 | 445 | 385 | 345 | 313 | 42 | 12-Φ34 | 1016 | 560 |
| 300 | 750 | 510 | 450 | 408 | 364 | 46 | 16-Φ34 | 1200 | 640 |
| 350 | 850 | 570 | 510 | 465 | 422 | 52 | 16-Φ34 | 1340 | 640 |
| 400 | 950 | 655 | 585 | 535 | 474 | 58 | 16-Φ41 | 1495 | 720 |
| 450 | 1050 | 680 | 610 | 560 | 524 | 60 | 20-Φ41 | 1581 | 800 |
| 500 | 1150 | 755 | 670 | 612 | 576 | 62 | 20-Φ48 | 1790 | 950 |
| 600 | 1350 | 890 | 695 | 730 | 678 | 62 | 20-Φ54 | 2035 | 950 |
working principle
The opening and closing part of the gate valve is a gate. The
movement direction of the gate is perpendicular to the fluid
direction. The gate valve can only be fully opened and fully
closed, and cannot be adjusted and throttled. The gate has two
sealing surfaces. The two sealing surfaces of the most commonly
used gate valves form a wedge shape. The wedge angle varies with
the valve parameters, usually 5 °, and 2 ° 52 'when the medium
temperature is not high.
