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Van giảm áp
Kích thước : 1'' - 12 ''
Áp lực : 16 kg/cm2
Nhiệt độ : 80 0C
Vật liệu : Gang
Phạm vi sử dụng: Nước
Chi tiết:
Pressure reducing valve can prevent pipeline breakage due to high pressure. Pressure reducing valve can be installed in water supply pipeline and maintains the setting pressure in main valve outlet,regardless of the difference in the inlet pressure. Pressure reducing valve can be installed in water supply, air conditioning and fire control Systems to maintain the setting pressure in outlet.
The pressure reducing valve uses a sub-valve (pressure reducing pilot valve) to control the main valve. When the outlet pressure reaches the setting rang of pressure reducing pilot valve , the pilot valve will automatically sense the outlet pressure and adjust the pressure chamber pressure in the main valve, so the valve gate can be opened and consequently the outlet pressure can be maintained. Adjustment Range :0.2kgf/cm2 ESpecial orders can be arranged for higher pressure adjusting range. In the case of high pressure, valve body made by stainless steel is recommended.
The pressure gauge on the pilot valve indicates the pressure in outlet. The indicating value will be lower when the outlet is in open state. When large flow rate is implemented in outlet, or when the gate is switching off rapidly and waiting the response of pilot valve to close the main valve gate, delayed response might happen. At this time the outlet pressure will rise a little, and a small pressure relief valve can be added to the outlet.
Size
Type
L
A
weight
CV
2"
Thread
200
177
10kg
75
3"
235
190
15kg
140
Flange
12kg
2.5"
210
182
105
225
18kg
4"
250
212
24kg
260
6"
310
44kg
550
8"
420
290
87kg
1000
10"
470
325
152kg
1600
12"
530
360
202kg
2200
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