Waterpower Control Valve

Multi-functional water pump control valve

Purpose

Used For The Outlet in high buildings or other water supply systems to prevent the medium from backflow and reduce water hammer so as to leave a safe and peaceful effect.

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Features

Able to prevent Both water hammer and water shock from being produced so as to get the slow-closing and silence effect. It is a check valve able to adjust and control the open-closing speed and at the time for the pump to start working, can adjust the open=close speed to its best on site.

Performance Parameters
DN
50-1000
mm
PN
1.0
1.6
2.5





MPa
Casing test
1.5
2.4
3.75
Sealing Test
1.1
1.76
2.75
Hermetic seal test M
0.6
0.6
0.6
Suitable temperature
≤100
°C
Suitable media
Water

Note:

  1. When PN=2.5MPa, the material of both body and bonnet is cast steel, the flange size executes.
  2. The control pipeline, pilot valve, piping etc. Outside of the master valve are all made of copper alloy.
  3. The rubber pert can also be made oof EPDM or fluorine rubber.

Executive Standard

  • Size of flange: GB/T 17241.6.
  • Test and inspection: GB/T 13927.

Main Part Materials
Title
Material
Body/Bonnet
Grey cast iron/ Ductile iron/ Cast steel
Stem
Stainless steel
Membrane
Reinforced NBR
Seal Ring Of Disc
Rubber
Spring
Stainless steel
Disc, Seat ring
Copper alloy
Surface Coating
Epoxy resin

Relational curve between flow-pressure difference characteristic of multi-functional water pump control Valve

Main dimensions
DN
50
65
80
100
125
150
200
250
300
350
400
450
500
600
L
230
240
250
292
320
350
420
490
540
595
690
770
800
895
H1
160
190
226
260
318
345
410
531
640
700
720
781
830
916
H
90
100
110
120
130
150
180
215
235
265
300
330
370
430
A1
135
140
161
170
178
209
230
248
293
335
335
370
416
470
A
226
243
263
290
320
356
410
466
510
571
633
690
776
908

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