The HT pneumatic diaphragm dual seat regulating valve adopts a dual number guiding structure and is equipped with a multi spring actuator. It has the advantages of compact structure, light weight, sensitive action, large valve capacity, precise flow characteristics, and convenient disassembly and assembly. Widely used for precise control of process parameters such as pressure, flow rate, temperature, and liquid level in gases, liquids, vapors, and other media to maintain the given values. Especially suitable for media with large pressure difference, allowable leakage, and not very clean conditions.
There are various types of products in this series, including standard type, corrugated pipe sealing type, jacket insulation type, and so on. The nominal pressure rating of the product includes PN16, 40, and 64; The valve body diameter range is DN25-400. Applicable fluid temperatures range from -250 ℃ to+560 ℃ in various grades. The leakage standards are Level III and Level IV. The flow characteristics are linear or percentage. A variety of varieties and specifications are available for selection.
The HT electronic electric sleeve regulating valve consists of an HT series straight stroke electric actuator and a low flow resistance straight through single seat valve. (It can also be equipped with other brands of direct stroke actuators). The electric actuator is an electronic integrated structure with a servo amplifier inside. By inputting a control signal (4-20mADC or 1-5VDC) and a power supply, the valve opening can be controlled, achieving the adjustment of working parameters such as pressure, flow rate, liquid level, and temperature. It has the characteristics of sensitive action, simple connection, large flow rate, small volume, and high adjustment accuracy. The control accuracy and performance are significantly improved compared to the DKZ model.
The sleeve valve has the characteristics of good stability, low vibration, low noise, and sensitivity to temperature. The single seal type is suitable for clean media situations with strict leakage requirements and small pressure differences. The double sealed type is suitable for clean media situations with low leakage requirements and large pressure differences. Small hole throttling type, can be used as a low-noise valve. Widely used in industries such as power, metallurgy, chemical, petroleum, environmental protection, light industry, and equipment.
1. Achieved larger CV values and wider adjustability
The S-shaped valve body generated from unique fluid analysis can suppress phenomena such as eddy currents caused by complex flow path shapes and irregular flow caused by sudden expansion of flow paths, resulting in efficient medium flow. In addition, the guide vanes in the cage valve can efficiently guide the unstable fluid generated around the sleeve into the sleeve. Due to these characteristics, the CV3000 series control valve has a 30% increase in CV value compared to the original V series control valve. In addition, the adjustable ratio has been expanded from 30:1 to 50:1 (with attachments up to 75:1), making it suitable for controlling load changes over a wider range.
2. High precision flow characteristics can bring "ideal" flow
Using high-precision flow characteristic curves as standard technical parameters, theoretically achieving "ideal" flow and stabilizing process gain; Computer simulation can achieve flexible control of valve opening under process control conditions.
3. Smaller volume and lighter weight
The HT series regulating valve has successfully reduced its height and achieved miniaturization due to the use of a simple mechanical structure with a multi spring small and high output thin film actuator. Based on the multi spring thin film actuator and an S-shaped valve body, the CV3000 regulating valve can achieve 30% -40% miniaturization and lightness compared to the original V-series regulating valve, making a contribution to the effective utilization of space.
The HT series control valves have a wide variety of options, ranging from vacuum valves to high-pressure valves, and from low to high temperature control. Widely used in automation control processes such as petroleum refining, petrochemicals, fertilizers, general chemicals, steel, metallurgy, papermaking, power, and light industry.
