Applications King Tee
The quick-release chuck complies with the 3A standard, and is made of
food-grade FEP particles through high-temperature molding, sintering,
injection molding and other processes. The surface is flat and smooth,
the inner wall is smooth, Ra<0.4, no burrs, scratches, dirt,
shedding, dents and other defects, in line with the sanitary structure,
the three-end chuck adopts a unique flanging process, so that it can fit
closely with the stainless steel material, and there will be no
crimping in the process of long-term use, and the temperature range is
0°C~150°C
There are also the following standards and village materials to choose from
Chuck can provide 3A, BPE, SMS, D, ISO and other standards:
Stainless steel can be made of SS304, SS316L and other materials
Available in PFA granules or PTFE powder molded
Electrostatic conductive PFA/FEP/PTFE village material is available
Fluorine-lined square three-way ball valve is a specially designed valve. It has a square structure and uses a sphere with square through-holes as the opening and closing parts. This valve is usually used in situations where it is necessary to control the flow direction of fluids, such as chemical, petroleum, pharmaceutical, and other fields.
Key features of fluorine-lined Square tee ball valves include:
Sealing performance: The valve is lined with fluoroplastic, which has excellent corrosion resistance and wear resistance, which can ensure the sealing performance of the valve.
Corrosion resistance: Fluoroplastics have extremely high chemical stability and can resist corrosion from various chemical media, so fluorine-lined square three-way ball valves can be applied to various corrosive media.
Compact structure: The valve has a compact structure, small size, and light weight, making it easy to install and maintain.
Flexible operation: The valve uses a sphere as the opening and closing parts, which is flexible and convenient to operate.
When using fluorine-lined square three-way ball valves, the following points should be noted:
Ensure that the valve is used in the correct piping system and is operated according to the specified operating method.
During use, regularly check the sealing performance and packing of the valve, and replace damaged parts in time if necessary.
During storage and transportation, the valve should be avoided from impact and vibration to prevent damage.
During installation and use, relevant safety regulations and operating procedures should be followed to ensure the safety of personnel and equipment.
Technical Scope
Temperature range: 0°C~150°C
Working Pressure: Vacuum ~16Mpa(20°C)
Applicable fluids: can convey extremely strong chemically corrosive media, can withstand high temperature, vacuum resistance, wear resistance, and can be anti-static.
Application field: used in injections, vaccines, food hygiene, beverages, pharmaceuticals, chemical chemicals, biology, lithium batteries, semiconductor engineering and other industries
Compliant with standards: Meets FDA and USP certifications.
Fluorine-lined valves, also known as fluoroplastic-lined
corrosion-resistant valves, are made of PTFE or PFA (or profiles
processed) by molding (or inlaying) on the inner wall of steel or iron
valve pressure bearings (the same method is applicable to the lining of
various pressure vessels and pipeline accessories) or the outer surface
of valve linings, and using its unique properties in strong corrosion
resistance media to make various valves and pressure vessels.
Fluorine-lined valves can use lining process for all the places that can be reached by the medium in the valve body, and the lining materials are generally made of fluoroplastics such as FEP (F46) and PCTFE (F3), which can be applied to various concentrations of sulfuric acid, hydrochloric acid, hydrofluoric acid, aqua regia and various organic acids, strong acids, strong oxidants and other corrosive media and other pipelines. However, fluorine-lined valves are limited by temperature, only suitable for mediums between -50°C~150°C, please consult our customer service for details.
Valves that can be made lined with fluorine plastics include: fluorine-lined butterfly valves,Fluorine-lined ball valves, fluorine-lined globe valve,Fluorine-lined diaphragm valves, fluorine-lined gate valves, fluorine-lined plug valves,Fluorine-lined pipe fittings、Fluorine-lined jointsetc., and accessories include (electric, pneumatic, electromagnetic, explosion-proof, filtering, adjustment, remote automatic control and other functions).
| Properties of PTFE-polytetrafluoroethylene | |
| High temperature resistance | The operating temperature is up to 250°C |
| Resistant to low temperatures | It has good mechanical toughness and maintains an elongation of 5% even when the temperature drops to -196°C |
| It is non-toxic | It has physiological inertness and has no adverse reactions as artificial blood vessels and organs implanted in the body for a long time |
| Mechanical properties | It is the smallest surface tension in solid materials, does not adhere to any substance, and its friction coefficient is extremely small, only 1/5 of polyethylene, which is an important feature of perfluorocarbon surfaces. Because the intermolecular force of the fluorocarbon-carbon chain is extremely low, PTFE is non-stick |
| Excellent insulation performance | A thick layer of newspaper film is enough to resist 1500V high voltage, |
| Chemical and weather resistance | Teflon is virtually immune to any chemical agents except molten alkali metals. For example, when boiled in concentrated sulfuric acid, nitric acid, hydrochloric acid, or even aqua regia, its weight and properties do not change, and it is almost insoluble in all solvents, and is only slightly soluble in perankanes (about 0.1g/100g) above 300°C. |
| Excellent weather resistance | It does not absorb moisture, is non-combustible, is extremely stable to oxygen and ultraviolet rays, and has the best aging life among plastics |
| Electrical performance | Teflon has low dielectric constant and dielectric loss over a wide frequency range, as well as high breakdown voltage, volumetric resistivity, and arc resistance |
| Model representation method | ||||||||||||
| WH | -600 | —Q1 | —C1 | —F | —16 | —P | —25 | —D1 | —B | —W2 | —B2 | —L |
| >1. Weiheng brand | >2. Drive mode | >3. Valve body type | >4. Connection method | >5. Sealing material | >6. Nominal pressure | >7. Valve body material | >8. Nominal diameter | >9. Control mode | >10. Explosion-proof level | —20~150℃ | >12. Accessory options | >13. Three flows |
| 1~7 mandatory options, 8~13 optional | ||||||||||||
| 1 codename | 5 codename | Sealed material | 10 code | Explosion-proof rating | |
| WH | Weiheng brand | F | PTFE | B | ExdIl BT4 Gb explosionproof and explosion-proof type |
| PPL | Para-polyphenylene | BZ | ExdllCT5 Gb explosion-proof and explosion-proof type | ||
| 2 codename | Drive mode | H | Metal hard seal | BC | Exdll CT6 Gb explosionproof and explosion-proof type |
| 600 | Pneumatic actuator series | Y | cemented carbide | BM | ExmbllT4 Gb cast explosion-proof type |
| 900 | Electric actuator system | X1 | Ding Qing rubber NBR | BA | Exiall CT6Ga intrinsically safe and explosion-proof |
| 2001 | Column plastic actuator angle seat valve series | X2 | Natural rubber NR | ||
| 2002 | Stainless steel actuator angle seat valve series | X3 | EPDM | 11 codenames | Medium temperature |
| X4 | Viton rubber FPM | W1 | -20-80C | ||
| 3 codename | Body type | X5 | Food grade silicone rubber SI | W2 | -20-150C |
| Q1 | Two-way valve | F46 | Fully lined polyperfluoroethylene FEP | W3 | -20-250C |
| Q2 | Three-way valve | PFA | Fully lined with soluble PTFE PFA | W4 | -29-425C |
| Q3 | Four-way valve | F4 | Fully lined PTFE | W5 | -29-650C |
| Q4 | Stationary ball valve | N | nylon | W6 | -196-60C |
| Q5 | V-ball | TC | Lined ceramic | ...... | ...... |
| Q6 | Low profile ball valve | J | Rubber lining | It has a special temperature that can be designed and manufactured according to customer requirements | |
| Q7 | Sanitary grade ball valves | PEEK | Polyether ether ketone | ||
| Q8 | Plastic ball valves | W | When the ring | 12 codenames | Accessory selection |
| Q9 | High Vacuum Ball Valve | ...... | ...... | B1 | 2-position, 3-way solenoid valve |
| Q10 | Fluorine ball valve in the whole village | Other special sealing materials can be designed and manufactured according to customer requirements | B2 | 2-position 5-way solenoid valve | |
| Q11 | Cryogenic ball valves | B3 | 2-position 3-way explosion-proof solenoid valve | ||
| Q12 | Insulated ball valve | 6 codename | Nominal pressure | B4 | 2-position 5-way explosion-proof solenoid valve |
| Q13 | Eccentric hemispherical valve | ...... | ...... | B5 | Filter pressure reducing valve |
| Q14 | Tank bottom valve | B6 | Limit switch | ||
| Q15 | Ceramic ball valves | 7 codename | Body material | B7 | Explosion-proof limit switch |
| D1 | Centerline soft-sealed butterfly valve | Q | Ductile iron HT200 | B8 | Hand manipulation mechanism |
| D2 | 3. Eccentric butterfly valve | C | carbon steel | B9 | Locator |
| D3 | Sanitary Butterfly Valve | P | Stainless steel 304 | ...... | ...... |
| D4 | Plastic butterfly valve | R | Stainless steel 316 | ||
| D5 | Ventilation butterfly valve | PL | Stainless steel 304L | 13 codenames | Three flows |
| D6 | Fluorine butterfly valve in the whole village | RL | Stainless steel 316L | L | Tee L-type BC switching |
| D7 | High vacuum butterfly valve | U | PVC UPVC | T1 | Tee T-type C-port switch |
| D8 | Powder butterfly valve | PP | Reinforced polypropylene RPP | T2 | Tee T-type AB switching |
| Z1 | Gate valve | L | Aluminum alloy | T3 | Tee T-type AC switching |
| Z2 | Knife gate valve | ...... | ...... | T4 | Tee T-type B-port switch |
| J1 | Globe valve | Other special valve body materials can be designed and manufactured according to customer requirements | |||
| J2 | Bellows cut stop valve | ||||
| J3 | Angle seat valve | 8 codename | It is called the path | ||
| F1 | Upward expansion discharge valve | ...... | ...... | ||
| F2 | Downward discharge valve | ||||
| Other special valve body materials can be designed and manufactured according to customer requirements | 9 code | Control mode | |||
| Z | Standard switch type | ||||
| 4 codenames | Connection | T1 | Integral switching type | ||
| C1 | Female thread | T2 | Overall adjustment | ||
| C2 | By order | T3 | RS485 bus type | ||
| C3 | Male thread | D1 | Double acting | ||
| C4 | flange | D2 | Double-acting adjustment type | ||
| C5 | KF vacuum chuck | E1 | Uni-acting normally closed | ||
| C6 | weld | E2 | Single-acting normally closed regulation type | ||
| C7 | Pair clip | E3 | Single-acting and always open | ||
| C8 | Clamps | E4 | Single-acting normally open adjustment type | ||
Fluorine-Lined Square Three-Way Ball Valve: A Reliable Solution for Critical Fluid Control
The Fluorine-lined square three-way ball valve is an advanced solution for managing the flow of aggressive chemicals, high-temperature fluids, and pressurized gases in industrial applications. This valve features a fluorine-based lining (typically PTFE or PFA), which provides exceptional resistance to corrosion, chemical degradation, and high thermal conditions. The three-way design allows for versatile fluid diversion or mixing, making it ideal for industries such as chemical processing, petrochemical, pharmaceutical, and water treatment.
In this article, we will cover the maintenance tips, product parameters, safety operating procedures, and advantages of the fluorine-lined square three-way ball valve. Our goal is to provide a comprehensive, SEO-optimized guide that can be used on corporate websites and B2B platforms.
A fluorine-lined square three-way ball valve is a high-performance valve designed for controlling the direction and flow of fluids in piping systems. It features a square valve body and an internal three-way ball that allows the fluid to flow through multiple paths. The valve’s body is lined with a fluorine-based material, such as PTFE (Polytetrafluoroethylene) or PFA (Perfluoroalkoxy), which enhances the valve’s resistance to corrosive chemicals, extreme temperatures, and physical wear.
Fluorine Lining: Provides excellent resistance to aggressive chemicals and high temperatures.
Three-Way Functionality: Enables fluid diversion, mixing, or distribution in a single valve.
Square Design: The square body shape optimizes space efficiency and flow performance.
Durability: Engineered to handle high-pressure and high-temperature conditions, offering a long service life.

To provide an accurate and detailed understanding of the fluorine-lined square three-way ball valve, here are the essential product parameters:
| Parameter | Specification |
|---|---|
| Valve Type | Three-way ball valve (Square Design) |
| Lining Material | PTFE (Polytetrafluoroethylene) or PFA (Perfluoroalkoxy) |
| Pressure Rating | Up to 600 PSI (depending on the size and model) |
| Temperature Rating | Up to 260°C (500°F) |
| Size Range | 1/2" to 6" (varies by model) |
| End Connections | Flanged, Threaded, or Butt-Weld |
| Valve Body Material | Stainless Steel, Carbon Steel, or Alloy |
| Flow Configuration | L-port or T-port (depending on the application) |
| Seal Type | PTFE, PFA, or FKM |
| Operation Mode | Manual, Pneumatic, or Electric Actuation |
The fluorine-based lining offers outstanding protection against a wide variety of aggressive chemicals, including acids, solvents, and caustic substances. This makes the fluorine-lined square three-way ball valve highly effective in industries such as chemical processing, pharmaceuticals, and petrochemicals, where corrosive fluids are commonly handled.
The fluorine lining also makes the valve resistant to abrasion and wear, ensuring that it remains functional and effective over extended periods, even in harsh environments.
One of the key benefits of fluorine-lined ball valves is their ability to withstand high temperatures and pressures. These valves are designed to operate in extreme conditions, with temperature ratings up to 260°C (500°F) and pressure ratings reaching 600 PSI. This makes them suitable for high-temperature applications in industries like oil and gas, power plants, and chemical reactors.
The three-way ball design offers flexibility in fluid handling. It can be used for a variety of functions:
Mixing Fluids: Combining two different fluid streams into one outlet.
Diverting Flow: Directing flow from a single inlet to one of two outlets, allowing for flow redirection in complex systems.
Switching Flow Paths: Offering multiple pathways in the same system for efficient fluid management.
This versatility makes it ideal for complex piping systems where multiple flow paths need to be controlled with a single valve.
The seal design of the fluorine-lined square three-way ball valve ensures that it provides leak-proof operation under high pressure. This is crucial in industries where fluid leakage could lead to environmental damage or safety hazards. The fluorine lining helps maintain tight seals, preventing any leakage of hazardous fluids or gases.
Thanks to its durable design and high-quality fluorine lining, the square three-way ball valve requires minimal maintenance. The fluorine lining is highly resistant to chemical degradation, reducing the frequency of valve replacement or repairs. This helps lower overall operational costs and ensures the reliability of fluid control systems.
Proper maintenance is essential to ensure the optimal performance and longevity of the fluorine-lined square three-way ball valve. Here are some essential maintenance tips:
Inspect the valve body, lining, and seals regularly to detect any signs of damage or wear. Look for cracks, deformations, or buildup of corrosive materials around the valve connections.
Periodically test the valve for any signs of leakage, especially under high-pressure conditions. Leaks can compromise system performance and safety, so it’s essential to identify and address any issues early.
Clean the interior of the valve to remove any debris or residue that could impair flow. Use compatible solvents or cleaning agents to ensure the fluorine lining is not damaged during the cleaning process.
Ensure that the moving components (such as the ball) are lubricated properly to ensure smooth operation. Use a lubricant that is compatible with the fluorine lining material to avoid degrading the valve’s performance.
Replace seals and gaskets if you notice signs of wear, such as leaks or compromised sealing. Always use original replacement parts to maintain the integrity of the valve.
To ensure the safe operation of the fluorine-lined square three-way ball valve, it is essential to follow the manufacturer’s guidelines and adhere to proper operating procedures. Below are key safety tips:
Before operating the valve in a live system, perform a pressure test to verify that the valve is able to handle the system pressure. Ensure that the valve is capable of operating within its specified pressure and temperature ratings.
Ensure the valve is correctly positioned in the pipeline to achieve the desired flow configuration. Double-check that the valve’s L-port or T-port design aligns with the system’s flow requirements.
Do not over-tighten the valve connections during installation. Over-tightening can damage the seals and threads, leading to potential leaks or valve failure.
Develop an emergency shutdown procedure in case of valve failure. This includes quickly isolating the valve from the rest of the system and performing an immediate inspection to identify the cause of the failure.
Ensure that all personnel involved in the installation, operation, and maintenance of the valve are properly trained in safety procedures and valve operation. This will help prevent accidents and ensure that the system operates efficiently.
Fluorine-lined square three-way ball valves are used in a wide range of industries due to their versatility, durability, and high performance. Some of the key applications include:
In the chemical industry, these valves control the flow of aggressive chemicals, acids, and solvents, providing precise regulation to ensure safe and efficient operations.
These valves are ideal for handling high-pressure fluids and gases in petrochemical plants and oil refineries, where corrosion resistance and reliable flow control are critical.
Fluorine-lined valves are commonly used in pharmaceutical manufacturing to handle high-purity liquids and chemicals while maintaining the highest standards of cleanliness and safety.
In the food industry, these valves ensure the precise mixing and diversion of ingredients in processing systems, while providing excellent resistance to cleaning agents and corrosive substances.
Fluorine-lined valves are employed in water treatment plants for controlling the flow of chemicals used in purification processes, ensuring both safety and efficiency.
The fluorine-lined square three-way ball valve is a high-performance solution for fluid control in harsh, high-pressure, and high-temperature environments. Offering excellent resistance to corrosion, chemicals, and abrasion, it is ideal for a wide range of industries, including chemical processing.
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