Regulating valve ZJHP-16C DN125 pneumatic single seat regulating valve sleeve film

Description :

　　1. Product Overview

　　The ZJHP type pneumatic single seat regulating valve is composed of a ZHA/B type multi spring pneumatic diaphragm actuator and a top guided through low flow resistance single seat valve It has a compact structure, light weight, sensitive action, S-shaped fluid channel, small pressure drop loss, large valve capacity, flow characteristics, and can be equipped with electrical valve positioning or pneumatic valves to achieve automatic adjustment and control of the fluid medium in the process pipeline. It is widely used for maintaining process parameters such as pressure, flow rate, temperature, liquid level, etc. in liquid, steam and other media at given values It is a new generation of universal regulating valve products that comply with IEC standards

　　structural characteristics

　　1. ZJHP pneumatic control valve is the execution unit of instruments in automation control systems. It adopts an electric pneumatic valve, which is powered by electrical signals and compressed air, and receives input current signals (0-10mA DC or 4-20mA DC) from the control system. The regulator converts the compressed air into corresponding gas source pressure signals for input and output (which can achieve segmented control signals), thereby changing the valve opening displacement and achieving process parameter adjustment and control of fluid media

　　2. ZJHP type pneumatic single seat regulating valve can be divided according to its operating mode; Positive effect: Air closed normally open type (valve position shifts downward when signal pressure increases), "Type B" Reaction effect: Air open normally closed type (valve position shifts upward when signal pressure increases), "Type K"

　　3. The ZJHP pneumatic single seat regulating valve is a straight through single seat cast spherical valve with a single seat plunger type valve core, which is particularly suitable for working environments where leakage is allowed to be small and the pressure difference between the front and back of the valve is not significant

　　4. The straight through low flow resistance single seat adopts a bottomless cover top guide structure, which only has one valve seat and one plunger shaped valve core. It has good sealing performance, small leakage, sensitive action, S-shaped fluid channel, small pressure drop loss, large valve capacity, flow characteristics *, large adjustable ratio, large guiding area of the valve core guiding part, and strong anti vibration performance. It is suitable for occasions with strict requirements for medium leakage and adjustment accuracy. However, due to the valve structure, the unbalanced force on the valve stem is relatively large, especially under the condition of large nominal diameter, which is more obvious. Therefore, this valve is only suitable for occasions with small working pressure difference

　　5. By changing the design of the valve core shape; Different valve core shapes will result in different flow characteristics: logarithmic, linear, and fast opening characteristics

　　6. According to the requirements of the operating conditions, the valve core can be designed and manufactured; Soft sealing structure (suitable for acid-base, gas and other media that require tight sealing in the temperature range of -20~+120 ℃) This series of products is widely used in the automation and remote control of industrial production processes such as chemical, petroleum, metallurgy, power plants, textiles, papermaking, and pharmaceuticals

　　2. Standard technical parameters

　　3. Physical pictures

　　4. Company actual shooting

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