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300X slow shut-off check valves
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Product Simple Specification
 

The valves is used at outlet pipe of pump, with its open & close speed adjustable, and also used at high building for reducing water hammer & water slamming.

Product Specification
 

The 300X slow shut-off check valves is an intelligent valves intended for installation in the pump outlet of a high-rise buildings' water supply system. When uses it effectively prevents the reverse flow of a medium, as well as water hammer-type phenomena. This valves utilizes a motorized valves, check valves and water hammer eliminator at the same time and can effectively increase the safety and reliability of a water supply system.It integrates such functions as slow opening, fast and slow closing in order to eliminate water hammer, so as to prevent the occurrence of pump-on water hammer and pump-off water hammer. The valves can automatically realize turning on/off according to the operation specification of the pump.By pressing the On/Off button of the pump motor; a large flow and small pressure loss can be achieved. Our slow shut-off check valves are suitable for use with pipes of 600 caliber and below.Pressure Rating: PN10. PN16. PN25/Class150Size Range: DN20mm-DN800mm (3/4" - 32")Test and inspection: GB/T 13927 API598


The Main Appearance Connects Size ~units~mm
DN L D D1 D2 Z-~d A1 A H1 H
PN10 PN16 PN25 PN10 PN16 PN25 PN10 PN16 PN25 PN10 PN16 PN25
50 240 165 165 165 125 125 125 102 102 99 4-~18 4-~18 4-~18 210 320 137 95
65 250 185 185 185 145 145 145 122 122 118 4-~18 4-~18 8-~18 215 330 145 97
80 285 200 200 200 160 160 160 133 133 132 8-~18 8-~18 8-~18 220 330 178 109
100 360 220 220 235 180 180 190 158 158 156 8-~18 8-~18 8-~18 230 410 232 152
125 400 250 250 270 210 210 220 184 184 184 8-~18 8-~18 8-~18 245 480 286 152
150 455 285 285 300 240 240 250 212 212 211 8-~18 8-~18 8-~18 260 420 318 160
200 585 340 340 360 295 295 310 268 268 274 8-~18 12-~18 12-~18 280 430 413 220
250 790 395 405 425 350 355 370 320 320 330 12-~18 12-~18 12-~18 300 450 502 250
300 900 445 460 485 400 410 430 370 370 389 12-~18 12-~18 12-~30 320 460 600 372
400 960 565 580 620 515 525 550 482 482 503 16-~26 16-~30 16-~36 360 480 677 415

Main Technical Feature
Nominal Pressure 1.0MPA 1.6MPA 2.5MPA
Test pressure of the shell 1.5MPA 2.4MPA 3.75MPA
Sealed test pressure 1.1MPA 1.76MPA 2.75MPA
Suitable temperature ≤80℃
Suitable medium water

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