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KD741 Automatic Pressure Holding Hydraulic Control Slow-closing Check Butterfly Valve


KD741 Automatic Pressure Holding Hydraulic Control Slow-closing Check Butterfly Valve
Stable quality: implement quality monitoring throughout the process, meticulous and comprehensive detection!

Reasonable price: efficient internal cost control, reducing expenses and benefiting customers!

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Sales: 021-31007323
Fax: 021-333321522
Technology: 021-31007323

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  Product name : Automatic pressure-holding hydraulic control slow-closing check butterfly valve Product model : KD741
   Driving method : Hydraulic Connection form : Flange
   Structure form : Center vertical plate, triple eccentric    Sealing material : rubber
   Pressure range : 0.6 ~ 1.6MPa    Nominal diameter : DN500-DN2000
   Common materials : Carbon steel, stainless steel, gray cast iron    Technical consultation : 021-31007323

是国内著名〖 KD741自动保压液控缓闭止回蝶阀 〗制造商,也是国内大型【 蝶阀 】生产商之一,公司自成立以来始终围绕客户的需求并持续创新,为广大的代理商和企业客户提供〖KD741自动保压液控缓闭止回蝶阀 〗解决方案,质量可靠,价格实惠,故畅销全国各地,欢迎新老客户来电,来函,我们将为您提供最优质的服务。 Hushan Valve Manufacturing (Shanghai) Co., Ltd. is a well-known domestic manufacturer of [ KD741 automatic pressure-holding hydraulic control slow-closing check butterfly valve ], and one of the large domestic [ butterfly valve ] manufacturers. Innovation, for the majority of agents and corporate customers to provide "KD741 automatic pressure-holding hydraulic control slow-closing check butterfly valve" solution, reliable quality and affordable, so it sells all over the country, welcome new and old customers to call us, email us, we will provide you Provide the best service.

I. Introduction of KD741 Automatic Pressure-holding Hydraulic Control Slow-closing Check Butterfly Valve

,是目前用于水轮机进口处的关键控制设备,具有良好的密封、调节性能,该阀是本公司近年研制开发的新产品,通过对多种国内外同类产品进行认真考察与研究,创造了独具特色的以三偏心为基本结构型式的液控 手动蝶阀 ,经实地应用,操作系统运行良好。 Automatic pressure-holding hydraulically controlled slow-closing check butterfly valve is a key control device currently used at the turbine inlet. It has good sealing and regulating performance. This valve is a new product developed by our company in recent years. The product was carefully inspected and researched, and a unique hydraulic control manual butterfly valve based on three eccentricity as the basic structure was created . The field application has made the operating system run well.

Features of KD741 automatic pressure-holding hydraulic control slow-closing check butterfly valve

  除了具有三偏心结构优点外还具备以下明显优势与特色。 In addition to the advantages of the triple eccentric structure, the electric butterfly valve also has the following obvious advantages and characteristics.
1. The drive system of this valve is a medium and same pressure two-stage drive device. The device has a small volume and a large control range for the opening and closing speed of the butterfly valve. The initial opening section is controlled by high pressure and small flow, which makes the butterfly valve open instantly and smoothly without violent fluctuation. Completely eliminate the hidden danger of water hammer in the system, and then cut into a faster rotation angular speed, the hydraulic cylinder will open the butterfly plate smoothly with the set ideal thrust and speed.
2. The installation position of the butterfly valve is usually horizontal. The reasonable placement of the butterfly plate can make the butterfly plate fully utilize the dynamic water moment in the pipeline to drive the butterfly plate to close smoothly. The installation position of the valve will reflect the dynamic water moment. The joint effect with the hammer torque, with the gradual completion of the closing angle, the dynamic water torque will tend to decrease, and the hammer torque will make the closing moment slow and stable, thereby strictly preventing the occurrence of the water hammer phenomenon. The leakage sealing effect will be reliably achieved in this reasonably tight control system.
3. The valve's electro-hydraulic control system has a remote control function. The butterfly plate can be opened and closed at any speed and locked at any position.
4. This valve is equipped with a manual oil pump, which can normally close or open the butterfly valve when the system is powered off for some reason.

KD741自动保压液控缓闭止回蝶阀


Performance of KD741 automatic pressure-holding hydraulically controlled slow-closing check butterfly valve


model
Nominal pressure (MPa) Experimental pressure (MPa) Applicable temperature (℃) Applicable medium
Shell experiment Seal test
KD741H-6C 0.6 0.9 0.66 ≤65 water
KD741H-10C 1.0 1.5 1.1

project Nominal diameter
DN≤1000 DN≥1400
Valve opening time (S) 10 ~ 60 adjustable 15 ~ 60 adjustable
Valve closing time (S) Quick off 1.2 ~ 25 adjustable 2 ~ 30 adjustable
Slow off 2 ~ 60 adjustable 4 ~ 60 adjustable
Valve closing angle () Quick off 60 10
Slow off 25 10

Material of main parts of KD741 automatic pressure-maintaining hydraulic control slow-closing check butterfly valve


name
model
Valve body Butterfly Butterfly plate seal Valve stem Valve seat filler
DX7K41H-6 / 10 Z grey cast iron Ductile iron Nitrile rubber Chrome stainless steel Copper alloy O-ring
DX7K41H-6 / 10 C Carbon steel Carbon steel stainless steel Chrome stainless steel stainless steel Flexible graphite

V. Main Dimensions and Weights of KD7K41X Automatic Pressure Holding Hydraulic Control Slow-closing Check Butterfly Valve


Nominal diameter (mm)
Main dimensions (mm) Weight (kg)
L L1 E E1 H H1
500 350 800 1442 920 420 1100 1500
600 390 800 1634 1200 440 1500 1800
700 430 800 1728 1200 500 1200 2000
800 470 800 2000 1200 510 1210 2500
900 510 800 2130 1200 570 1270 3000
1000 550 800 2410 1300 620 1620 3000
1200 630 800 2600 1355 710 1710 4200
1400 710 800 2825 1355 820 1820 4900
1600 790 890 3141 1355 920 1920 5900
1800 870 890 3423 1760 1035 2035 6300?
2000 950 890 3623 1860 1150 2140 6170

 

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