Technical parameters and execution standards of D941F46 electric flanged fluorine-lined butterfly valve

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The D941F46 electric fluoroplastic butterfly valve produced by the company features a compact structure, enables easy 90° rotation for switching, provides reliable sealing, and has a long service life. It is widely used in water treatment plants, power plants, steel mills, paper manufacturing facilities, chemical industries, and food processing sectors for water supply and drainage purposes, serving as a device for regulation and shut-off. Shanghai Hongdie Valve Co., Ltd. specializes in the production of various types of valves, including globe valves, electric globe valves, pneumatic globe valves; butterfly valves, electric butterfly valves, pneumatic butterfly valves; ball valves, electric ball valves, pneumatic ball valves; gate valves, electric gate valves, pneumatic gate valves; control valves, electric control valves, pneumatic control valves; as well as pressure reducing valves. Hydraulic control valves, vacuum valves, rubber-lined valves, fluorine-lined valves. The D941F46 flanged fluorinated rubber-lined butterfly valve is lined with fluororubber; when fluid passes through, only the lining inside the valve body and the butterfly disc come into contact with the medium. This valve can handle highly corrosive media, and its four-stage sealing structure ensures zero leakage of the medium. Fully fluorinated butterfly valves are suitable for use with aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid, and various organic acids at concentrations up to 180°C, as well as with strong acids and strong oxidizing agents. The fluorinated flanged butterfly valves produced by Shanghai Hongdie Valves are appropriate for use in pipelines containing strong alkalis, organic solvents, and other corrosive gases and liquid media. 　　Product overview of D941F46 electric flanged fluorine-lined butterfly valve: The electric flanged fluorine-lined soft-seal butterfly valve has an attractive appearance, with its valve body, valve disc, and valve shaft designed in a concentric structure. Designed to work with ZMQ electric actuators, it features a pinless connection between the valve handle and the valve shaft, ensuring complete isolation of the medium from the valve shaft and body. Maintenance is simple and easy; it offers 100% two-way bubble-level sealing, and its surface is treated with epoxy resin spraying to meet European environmental standards. It is widely used in industrial automation systems across industries such as food, environmental protection, light industry, petroleum, papermaking, chemicals, and power generation. Electric valves require a greater operating torque compared to ordinary valves. The speed at which they can be opened and closed can be adjusted. They have a simple structure and are easy to maintain. Due to the buffering properties of the gas itself, they are less likely to get damaged due to jamming during operation. However, a gas supply is necessary, and their control systems are more complex than those of ordinary valves. Valves of this type should generally be installed horizontally in pipelines. Valve stem diameter: For multi-turn straight-stem valves. It cannot be assembled into an electric valve. Therefore, if the maximum stem diameter allowed by the electric butterfly valve device is larger than that of the stem of the valve it is equipped with. The inner diameter of the hollow output shaft of the electric actuator must be larger than the outer diameter of the valve stem of the straight-stem valve. For locally rotating valves and stemless valves among multi-rotating valves, although there is no need to consider the issue of the valve stem diameter fitting through, the size of the valve stem diameter and the keyway should still be carefully considered during selection to ensure proper operation after assembly. Operating torque: Operating torque is the most important parameter when selecting a valve actuator. The movement of an electric butterfly valve can be controlled by the amount of travel, torque, or axial thrust. Given that the operating characteristics and efficiency of valve actuators depend on the type of valve, the operating specifications of the actuator, and the location of the valve in the pipeline or equipment, valve electric butterfly valve actuators are essential devices for enabling programmed, automatic, and remote control of valves. Therefore, selecting the valve actuator correctly is crucial to prevent overload conditions (operating torque exceeding control torque). Generally, the basis for correctly selecting a valve electric butterfly valve unit. 　　Technical parameters and execution standards for D941F46 electric flanged fluorinated butterfly valve
Fluorinated butterfly valve
Connection types of fluorinated butterfly valve: wafer-type, flanged-type
Actuation methods: manual fluorinated butterfly valve, worm gear actuated fluorinated butterfly valve, pneumatic fluorinated butterfly valve, electric fluorinated butterfly valve
Nominal pressure: PN1.0Mpa, PN1.6Mpa
Valve materials: gray cast iron, carbon steel, stainless steel
Lining materials: PTFE (F4), FEP (F46), PCTEF (F3), PVDF (F2), GXPP, GXPO, UHMW-PE rubber
The media suitable for large-diameter manual fluorinated butterfly valves are specified in the section on anti-corrosion lining materials: fresh water, sewage, seawater, air, steam, food, pharmaceuticals, various oils, acids, alkalis, salts
Operating temperature: (-15~150)°C
Design and manufacturing standards: GB/T12238-1989, Q/ZXD 03-1999, API 609, MSS SP-67
Structural length: GB/T 12221-89
Connection flanges: JB/T 82.1-94, GB/T9113.1-2000
Features of D941F46 electric flanged fluorinated butterfly valve:
Design features: The valve body and end caps are manufactured through wax-free precision casting. The valve stem is designed to prevent explosions. Compact size: Its volume and weight are only about 50~70% of those of similar products. High-level protection: It features a protection rating of 1P68. Reliable performance: The service life of vulnerable components such as bearings and electrical elements is extended. Attractive appearance: The aluminum alloy die-cast housing is smooth and sleek. High precision and wear resistance: The worm gear output shaft is made from a special copper alloy, offering high strength and good wear resistance. Minimal backlash: The integrated worm gear output shaft eliminates gaps caused by key connections, ensuring high precision. Safety assurance: It has passed pressure resistance tests, and its F-class insulated motor ensures safety. Simple installation: It operates on single-phase power, resulting in a simple external circuit. Easy to use: No additional maintenance is required, and it can be installed at any angle. Protection mechanisms: Dual limit switches are available, along with overheat protection. Adjustable speed: 5S, 10S, 15S, 30S, 60S. Integrated design: The valve body includes an intelligent control module, eliminating the need for additional accessories.
Precautions for outdoor installation of D941F46 electric flanged fluorinated butterfly valve: When installing in areas where water may splash, it is advisable to use a protective cover for extra safety. 　　Please leave sufficient space for power supply connections and manual operations. Direct exposure to outdoor sunlight can cause high temperatures, accelerating the aging of components and even leading to their failure; therefore, sun protection measures should be implemented. 　　Rainwater will accelerate the aging of the rubber gasket, and in the event that the waterproofing measures are not proper, it can cause immediate damage to the product. It can be installed at any angle up to 360°. Performance specifications for the fluorinated-flange electric butterfly valve: Nominal pressure: 1.0 MPa–2.5 MPa; Nominal diameter: DN32–DN600. Applicable media include water, gases, oils, natural gas, fluid-based foods, chemical substances, corrosive agents, weak acids, weak bases, seawater, etc. Operating temperature range: -20~+120 °C. Features of the D941F46 electric flanged fluorinated butterfly valve: 1. This valve features a double-eccentric structure, which provides a tighter seal as it closes, ensuring reliable sealing performance. 　　2. The sealing pair is made of stainless steel paired with nitrile oil-resistant rubber, ensuring a long service life. 　　3. The PTFE seal can be located either on the valve body or on the butterfly disc, allowing it to be used with media having different properties, giving users options for selection. 　　4. The butterfly valve features a frame structure, offering high strength, a large flow area, and low flow resistance. 　　5. With a full powder coating, it effectively prevents rusting; and by simply replacing the sealing material of the seal valve seat, it can be used with different media. 　　6. This valve features bidirectional sealing; it is not constrained by the flow direction of the medium nor by spatial positioning, and can be installed in any direction. 　　7. This valve features a unique structure, offering flexible operation, reduced effort, and convenience. 　　Main parameters of the D941F46 electric flanged fluorine-lined butterfly valve: Nominal diameter DN (mm): 50–2000, 50–1600. Nominal pressure PN (MPa): 0.6, 1.0, 1.6. Sealing test pressure (MPa): 0.66, 1.1, 1.76. Strength test pressure (MPa): 0.9, 1.5, 2.4. Suitable operating temperature: Nitrile rubber: -40°C to 90°C; Fluororubber: -20°C to 200°C. Applicable media: Water, air, natural gas, oils, and mildly corrosive fluids. Leakage rate: Complies with GB/T13927-92 standards. Driving methods: Worm gear drive, electric, pneumatic, hydraulic.

Materials of the main components of the D941F46 electric flanged fluorine-lined butterfly valve: Component name, Material. Valve body: WCB, QT450-10, HT200, HT250. Butterfly disc: WCB, QT450-10, HT200, HT250. Valve shaft: 2Cr13. Sealing surface: Teflon. Packing: Flexible graphite.

Standards applicable to the D941F46 electric flanged fluorine-lined butterfly valve: Manufacturing standard: GB/T 122387-89. Flange standards: GB9113-2000, GB17241.6-1998. Structural length standard: GB12221-89. Inspection standard: GB/T 13927-92.

[Materials of the main components of the D941F46 electric flanged fluorine-lined butterfly valve] Serial number, Component name, Cast iron, Cast steel, CF8, CF3, CF8M, CF3M. Serial number, Component name, Z, C, P, PL, R, RL. 1. Valve body: HT250, WCB, CF8, CF3, CF8M, CF3M. 2. Butterfly disc: WCB, WCB, CF8, CF3, CF8M, CF3M. 3. Valve shaft: 2Cr13, 2Cr13, F304, F304L, F316, F316L. 4. Lining/seat: PTFE (F4), PCTFE (F3), FEP (F46), PFA (soluble F4), PO (polyolefin). 5. Fastening pins: 2Cr13, 2Cr13, F304, F304L, F316, F31