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Hotsell HT7300 Straight-Through High-Pressure Regulating Valve
Analysis of the internal structure of the valve body
This valve adopts three-stage throttling, one-way diversion, and a balanced double-seat structure. Its specific features are:
◆ Primary throttling: The pipe diameter is reduced, which is equivalent to orifice plate throttling accounting for about 10% of the total pressure drop.
◆Secondary throttling: The valve cage opens a V-shaped opening for throttling (symmetrically distributed, usually four windows). Each window disperses the pressure and successfully achieves equal percentage flow characteristics through the V-shaped opening.
Diversion at one place: The advantage of the balanced double-seat is that the unbalanced force is small to prevent the valve core from shaking, greatly reducing the output force of the actuator and realizing diversion at one place through the balance hole at ③. The two valve seats share the pressure equally to reduce the erosion pressure of a single valve seat. The double seats adopt unique processing technology to realize single matching of valve seat and cage, easily ensuring zero leakage.
◆Triple throttling: A noise reduction cage is added to the valve cage to achieve triple throttling.
Dimensions table
| DN (mm) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | ||
| L(mm) | 212 | 212 | 250 | 250 | 270 | 330 | 380 | 410 | 480 | 510 | ||
| H1(mm) | 50 | 50 | 65 | 65 | 80 | 85 | 90 | 100 | 125 | 145 | ||
|
H | Pneumatic piston | Without handwheel | 672 | 672 | 697 | 697 | 750 | 760 | 790 | 821 | 840 | 921 |
| Handwheel | 772 | 772 | 797 | 797 | 850 | 860 | 890 | 921 | 940 | 1021 | ||
| Electric actuator | 666 | 666 | 685 | 685 | 762 | 772 | 810 | 832 | 852 | 935 | ||
| Pneumatic diaphragm actuator | Without handwheel | 697 | 697 | 716 | 716 | 793 | 802 | 840 | 863 | 883 | 966 | |
| Handwheel | 797 | 797 | 816 | 816 | 893 | 902 | 940 | 963 | 983 | 1066 | ||
|
D | Pneumatic piston | 190 | 252 | 358 | ||||||||
| Electric | 225 | 310 | ||||||||||
| Pneumatic diaphragm | 295 | 396 | 470 | |||||||||
*Note: The data in this table are general configuration data and may vary due to different actuator configurations.
Thin film electronic Piston
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Huatao is committed to providing high-quality, reliable and innovative valve solutions to meet customer needs in various industrial fields. Huatao uses advanced processes and technologies in manufacturing to ensure that its products have excellent performance and reliability. The company has an experienced engineering team who have an in-depth understanding of the valve design and manufacturing process and always pay attention to the latest development trends in the industry. Huatao's engineers work closely with customers to custom design and manufacture highly customized control valves based on their specific requirements and application scenarios. Huatao's products are widely used in various industrial fields, including oil and gas, chemical industry, electric power, pharmaceuticals, water treatment, etc. Whether in fluid control, pressure regulation, temperature control or flow regulation, Huatao's valves can provide excellent performance and reliability to ensure the safe and efficient operation of industrial processes.