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Product Simple Specification
The valve 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 valve is an intelligent valve 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 valve utilizes a motorized valve, check valve 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 valve 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 valve 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
|
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Test pressure of the shell
|
1.5MPA
|
2.4MPA
|
3.75MPA
|
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Sealed test pressure
|
1.1MPA
|
1.76MPA
|
2.75MPA
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Suitable temperature
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≤80℃
|
|
Suitable medium
|
water
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|
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