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Accumulator type liquid control slow closing butterfly valve

Products > Butterfly valve > Accumulator type liquid control slow closing butterfly valve

Accumulator type liquid control slow closing butterfly valve

Model: HD7x41X
Nominal diameter: DN400 ~ 1600mm
Nominal pressure: PN0.6 ~ 1.6MPa
Suitable medium: water, water, sediment water
Operating temperature: ≤80 ℃
Design and manufacturing: GB / T14478, JB / T5299
Length of the structure: GB / T12221
Piping flange: GB / T9112 ~ 9131, JB / T74 ~ 90, GB / T12380
Accumulator standard: GB / T2352
Test and inspection: GB / T14478, GB / T13927
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One. HD7x41X accumulator type liquid control slow closing butterfly valvepurposes

Hydraulic check butterfly valve is currently the more advanced control equipment, mainly used in hydropower station, water pump room and electricity, petroleum, chemical, metallurgy, mining and other types of pumping stations installed in the turbine inlet or outlet pipe, For the deadline, only use.

 

Two. HD7x41X accumulator type liquid-controlled slow-closing butterfly valve features

1, can be opened and closed according to the program; in the case of normal power supply and sudden power failure can automatically according to the scheduled time and angle sub-fast, slow two-stage closure; adjustment range, adaptability.

2, destructive water hammer can be eliminated to prevent the pump and turbine runoff occurred, effectively reducing the pressure fluctuations in the network management system to ensure the safe and reliable operation of equipment.

3, the valve can replace the pump outlet of the original electric gate valve and check valve function, reduce the area and infrastructure investment. At the same time, its flow resistance coefficient is only 0.1 ~ 0.6, far less than the flow resistance coefficient of check valve (1.7 ~ 2.6), energy-saving effect is obvious.

4, the company S (lock type), B (dwelling type), X (accumulator type) three types of liquid control check butterfly valve products are different ways to solve the domestic similar products under heavy hammer Disadvantages, greatly enhance the reliability and security of the system. At the same time, the company can be individually designed according to the special requirements of users, multi-faceted to meet the needs of users of such products. D.HD7x41X accumulator type hydraulic control slow closing butterfly valve main performance parameters.

 

Three. HD7x41X accumulator type liquid-controlled slow closing butterfly valve product standards and norms

Design and manufacture

Structure length

Piping flange

Accumulator standard

Test and inspection

GB / T14478, JB / T5299

GB / T12221

GB / T9112 ~ 9131

JB / T74 ~ 90, GB / T12380

GB / T2352

GB / T14478, GB / T13927

 

Four. HD7x41X accumulator-type liquid-controlled slow-closing butterfly valve main performance parameters

model

Nominal pressure PN (MPa)

Shell test

Seal test

Operating temperature ℃

Suitable media

HD7x41X

1.0 * PN

1.5 * PN

1.1 * PN

≤80

Water, sea water, sediment water

 

Five, HD7x41X accumulator type liquid-controlled slow-closing butterfly valve main dimensions

DNPNLL1L2L3L4Flange connection size
4000.62165561449320440GB / T17241 
GB / T9113
1.02165561449330440
1.62165561449345440
4500.62225561449370440
1.02225561449380440
1.62225801449395490
5000.62295801449400440
1.02295801449410490
1.62295801449425490
6000.62675801449440490
1.02675801449460490
1.62676251820470490
7000.62926251449436490
1.02926251820550545
1.62926251820570545
8000.63186251820625490
1.03186251820640545
1.63186251820660545
9000.63306251820700545
1.03306251820710545
1.63306751820725610
10000.64106251820760610
1.04106751820770610
1.64106752180790610
12000.64706751820875610
1.04706752180890610
1.64707292180915720
14000.653072921801000720
1.053072921801020720
1.653078121801045960
16000.660078121801120720
1.060078121801140960


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