Manual butterfly valve transformation with extended stem butterfly valve

Manual valve to electric valve modification plan ZB941H-25C-DN100 product description

Electric cast steel gate valves are used for analog control of medium flow in liquid, gas, and air system pipelines, and are AI controlled. Electric valves can also be used for two position switch control in the control of large valves and air systems. Electric valves can have AI feedback signals and can be controlled by DO or AO, which are commonly found in large pipelines and air valves. The fluid resistance is low, and the sealing surface is less susceptible to erosion and erosion by the medium (due to high gate opening). Strong opening, good sealing performance, unrestricted flow of medium, no blockage, and no pressure drop. Simple form, good manufacturing process, and wide range of applications. The torque required to close the valve is relatively small. Electric cast steel gate valve, also known as electric gate valve, is mainly composed of valve body, valve cover, gate, valve stem, valve seat, and sealing packing. It is one of the common valve types in isolation valves. The main purpose of a gate valve is to cut off fluids, which is why it is commonly referred to as a "cut-off" valve or a "blocking" valve. There are many different structural forms of gate valves, and the types of sealing elements used are different. According to the structure of the sealing element, it can be divided into several different types.

Manual valve to electric valve renovation plan ZB941H-25C-DN100 product features

Working environment and main technical parameters of Z941H-16C DN80 electric cast steel gate valve:

power supply

Conventional, three-phase 380V (50Hz)

Special, three-phase 660V, 415V (50Hz, 60Hz); Single phase 220V, 110V (50Hz, 60Hz)

working environment

Working temperature: -20~+60 ℃ (special orders -40~+80 ℃)

Relative humidity: ≤ 95% (at 25 ℃)

Protection type: Outdoor type used in places without flammable, explosive, and non corrosive media. There are two types of explosion-proof products, d Ⅰ and d Ⅱ BT4. d Ⅰ is suitable for non mining working faces in coal mines, while d Ⅱ BT4 is used in factories and is suitable for explosive gas mixtures in environments of Class IIA and IIB T1~T4.

Protection level: IP55 (special order)

Work schedule: Short 10 minutes (30 minutes for special orders).

Manual valve to electric valve renovation plan ZB941H-25C-DN100 features:

1. The device is dustproof, waterproof, and resistant to light corrosion, with a protection level of IP55 and IP65 (special order);

2. The torque control mechanism operates reliably, is easy to adjust, and has high torque repeatability accuracy;

3. The travel control mechanism has high adjustment accuracy and repeatability, and can be equipped with 2 to 4 micro switches for both opening and closing directions;

4. Adopting a semi-automatic manual electric switching mechanism, the mechanism is simple, reliable in operation, and easy to operate;

5. Three phase asynchronous motors are used for valve electric devices, with high starting torque and low moment of inertia;

6. Equipped with mechanical valve position indicator.