Slow Close Non-return Valve(300X) suppliers

Slow Close Non-return Valve(300X)

Slow Close Non-return Valve(300X)

300X slow closing check valve is installed on water supply system of high buildings and pump outlet of other water supply systems, it is a intelligent valve to prevent medium reflux and water hammer. The valve has three functions of electric valve,non-return valve and water hammer dewaterer, it can improve safety and reliability of water supply system effectively, and make the technology of slow opening, quick closing, slow closing and avoid water hammer in integral, prevent pump opening hammer and pump closing hammer occurs.

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Slow Close Non-return Valve(300X) Details

 

Standard: GB,BS,DIN,AWWA,ISO
Nominal pressure :

PN1.0-2.5MPa

Nominal diameter : DN50-500mm
Suitable medium : water
Suitable temprature : ≤80℃
Main material :

grey cast iron, ductile cast
iron,alloy cast iron,carbon steel

Flange dimension: BS4504 IS02531,IS07005
and other standards conforming to the
requirements

 

MATERIALS OF MAIN PARTS

 

Name of parts
Material of parts
Body
Cast iron/duetile iron/carbon steel
Body Cover
Castiron/ductile iron/carbon steel
Disc
Ductile iron
Sealing
Stainless steel


300X slow closing check valve is installed on water supply system of high buildings and pump outlet of other water supply systems, it is a intelligent valve to prevent medium reflux and water hammer. The valve has three functions of electric valve,non-return valve and water hammer dewaterer, it can improve safety and reliability of water supply system effectively, and make the technology of slow opening, quick closing, slow closing and avoid water hammer in integral, prevent pump opening hammer and pump closing hammer occurs.

22480

【Main size,connection size and weight】

DN(mm)
Size(mm)
L
A1
A
H1
H
F
20
150
200
282
106
172
116
25
160
200
282
106
172
116
32
180
200
282
106
172
116
40
200
210
320
137
225
168
50
203
210
320
137
225
168
65
216
215
330
145
270
180
80
241
220
330
178
289
210
100
292
230
410
232
375
284
125
330
245
420
286
420
310
150
356
260
420
318
450
370
200
495
280
430
413
722
463
250
622
300
450
502
769
525
300
698
320
460
600
906
625
350
787
340
470
637
1480
705
400
914
360
480
677
1027
778
450
978
360
480
677
1027
778
500
978
410
780
750
1110
690
600
1230
456
888
850
1286
785
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