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              Location: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

              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

              DN PN L L1 L2 L3 L4 Flange connection size
              400 0.6 216 556 1449 320 440 GB / T17241 
              GB / T9113
              1.0 216 556 1449 330 440
              1.6 216 556 1449 345 440
              450 0.6 222 556 1449 370 440
              1.0 222 556 1449 380 440
              1.6 222 580 1449 395 490
              500 0.6 229 580 1449 400 440
              1.0 229 580 1449 410 490
              1.6 229 580 1449 425 490
              600 0.6 267 580 1449 440 490
              1.0 267 580 1449 460 490
              1.6 267 625 1820 470 490
              700 0.6 292 625 1449 436 490
              1.0 292 625 1820 550 545
              1.6 292 625 1820 570 545
              800 0.6 318 625 1820 625 490
              1.0 318 625 1820 640 545
              1.6 318 625 1820 660 545
              900 0.6 330 625 1820 700 545
              1.0 330 625 1820 710 545
              1.6 330 675 1820 725 610
              1000 0.6 410 625 1820 760 610
              1.0 410 675 1820 770 610
              1.6 410 675 2180 790 610
              1200 0.6 470 675 1820 875 610
              1.0 470 675 2180 890 610
              1.6 470 729 2180 915 720
              1400 0.6 530 729 2180 1000 720
              1.0 530 729 2180 1020 720
              1.6 530 781 2180 1045 960
              1600 0.6 600 781 2180 1120 720
              1.0 600 781 2180 1140 960


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