The valve consists of a main valve and an external guide valve. It is the use of float in the water due to the change of liquid level linkage guide valve, so that the main valve water supply and closing, so as to control the water level of the pool (box) and the water tower within a certain range, to prevent overflow and water level is too low.
The valve is suitable for the automatic water supply system of various pools (boxes) and water towers in industrial and mining enterprises and civil buildings. It is also used in atmospheric pressure boiler circulating water supply system. The main valve opens and closes slowly, does not produce water hammer, seals tightly, and there is no risk of flooding.
Nominal diameter | size | ||||||||||||
DN (mm) | L | D | D1 | D2 | Z-Φd | ||||||||
PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | PN10 | PN16 | PN25 | ||
50 | 203 | 165 | 165 | 165 | 125 | 125 | 125 | 99 | 99 | 102 | 4-Φ19 | 4-Φ19 | 4-Φ19 |
65 | 216 | 185 | 185 | 185 | 145 | 145 | 145 | 118 | 118 | 122 | 4-Φ19 | 4-Φ19 | 8-Φ19 |
80 | 241 | 200 | 200 | 200 | 160 | 160 | 160 | 132 | 132 | 133 | 8-Φ19 | 8-Φ19 | 8-Φ23 |
100 | 292 | 220 | 220 | 235 | 180 | 180 | 190 | 156 | 156 | 158 | 8-Φ19 | 8-Φ19 | 8-Φ23 |
125 | 330 | 250 | 250 | 270 | 210 | 210 | 220 | 184 | 184 | 184 | 8-Φ19 | 8-Φ19 | 8-Φ28 |
150 | 356 | 285 | 285 | 300 | 240 | 240 | 250 | 211 | 211 | 212 | 8-Φ23 | 8-Φ23 | 8-Φ28 |
200 | 458 | 340 | 340 | 360 | 295 | 295 | 310 | 266 | 266 | 284 | 8-Φ23 | 8-Φ23 | 12-Φ28 |
250 | 530 | 395 | 405 | 425 | 350 | 355 | 370 | 319 | 319 | 345 | 12-Φ23 | 12-Φ28 | 12-Φ31 |
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