Mounted in the water transporting and distributing pipeline. Preset a fixed flow for the pilot valve above it so as to make the pressure variation on the upstream of the main valve without affecting the water quantity on the downstream.
Technical parameters
PN
1.0MPa
1.6MPa
Casing test pressure
1.5MPa
2.4MPa
Seal test pressure
1.1MPa
1.76Mpa
Adjustable range of outlet pressure
0.09-0.8MPa
1.10-1.2MPa
Pressure characteristic ¦¤ P1P2
P2¡Á8%
P2¡Á10%
Flow characteristic ¦¤ P1P2
P2¡Á15%
P2¡Á20%
Work temperature
0-80¡æ
Suitable medium
Water
Out-form and connection dimensions
DN
L
A
A1
H
H1
F
20
180
292
136
342
247
116
25
180
292
136
342
247
116
32
180
292
136
342
247
116
40
240
330
155
395
278
170
50
240
330
155
395
278
170
65
250
350
165
405
298
180
80
285
365
175
430
313
210
100
360
410
195
510
350
275
125
400
455
220
560
365
310
150
455
475
230
585
420
355
200
585
530
255
675
450
460
250
650
623
300
730
470
500
300
800
700
340
760
490
580
350
860
840
415
840
526
640
400
960
880
430
910
570
715
450
1075
930
460
1030
610
780
500
1075
980
490
1135
665
830
600
1230
1060
530
1270
725
920
700
1650
1130
560
1460
865
980
800
1750
1230
610
1640
975
1050
Address£ºNO. 3051,Yongqiang Road, Wenzhou, Zhejiang, China
Vendition Tel£º086£577£86820888 86825777 86825111 Faxes£º086£577£86821806 Postal code £º325025
