The three-piece pull handle welded butterfly valve is a kind of valve with complex structure, which is characterized by the use of three-piece structure and has high sealing performance and stability. At the same time, the valve adopts a pull handle design, which is more convenient and labor-saving to operate.
Three-piece pull handle welded butterfly valves are usually used in some high pressure, high temperature occasions, such as petroleum, chemical, electric power and other industries in the pipeline system. Due to its complex structure, it needs regular maintenance and maintenance to ensure its normal performance.
The three-piece pull handle welded butterfly valve is a kind of valve with excellent performance and easy operation, which is suitable for different working conditions.
There are various standard valve series can be supplied, they are the DIN,3A, SMS, ISO/IDF, BS/RJT, ASME/BPE standard etc. You can choose us with confidence, our products meet the standards of multiple regions, such as American Standards, Japanese Industrial Standard, Korean Standard, German Standard and Italian Standard. The constitute elements of ball valve always included: one handle, one ball body with transfixion cavity, valve body, valve central spindle and spindle shaft seal.
Advantage
• The inner flow tend to be straight, and easy to adjust
• Simple structure, fast switching, 90 ° rotation for opening and closing
• Pneumatic and electric devices can be configured according to user requirements to meet the needs of remote control and program control
• Small size, lightweight, easy to operate, easy to install and maintaines
• Excellent and reliable sealing performance, zero leakage, and long service life
Specification:
Name: Three-piece hand pull welded butterfly valve
Size: DN10-DN300, 1/2"-12"
Valve body material: Stainless steel 304/304L, stainless steel 316/316L
Ends: Flanges, welded, quick clamp, union, threads ( internal/external thread)
Operate mode: Manual/handle, pneumatic, electric
Handle: Pull handle, multiposition handle, stainless steel or plastic handle
Max. Work Pressure: 10 bar
Max. Working Temperature: 150ºC
Material of Seal: PTFE, SI, FEP, PFA, EPDM, NBR, FDA177.2600, metal hard seal, cemented carbide
Medium: Beer, dairy, beverage, pharmacy, cosmetics, fruit juice, liquor, red wine, chemical, chemical reagent, daily chemical, medicine, injection, botany, organic raw material, fermentation, adhesive, perfume, essential oil
Introduction to WH Sanitary Three-Piece Welded Butterfly Valve
The WH Sanitary Three-Piece Welded Butterfly Valve is a high-performance valve designed for industries requiring strict hygiene standards, such as food & beverage, pharmaceutical, biotechnology, and dairy processing. This valve ensures zero contamination, easy cleaning, and smooth operation in sanitary applications.
With a three-piece welded design, it offers superior durability, leak-proof performance, and easy maintenance. Its 316L stainless steel construction meets FDA, EHEDG, and 3-A sanitary standards, making it ideal for critical processes.
In this comprehensive guide, we will explore:
- Key features & benefits
- Technical specifications
- Applications in various industries
- Installation & maintenance tips
- Why choose this valve for sanitary processes
Key Features of WH Sanitary Three-Piece Welded Butterfly Valve
1. Sanitary Design for Hygienic Applications
- 316L stainless steel body – Resistant to corrosion, acids, and high temperatures.
- Electropolished finish – Minimizes bacterial growth and ensures smooth surface for easy cleaning.
- Tri-clamp or weld ends – Allows quick installation and meets sanitary piping standards.
2. Three-Piece Welded Construction
- Durable & leak-proof – The welded design eliminates gaskets, reducing contamination risks.
- Easy disassembly – The three-piece structure allows for quick inspection and cleaning.
- Long service life – Ideal for high-pressure and high-temperature applications.
3. Precision Flow Control
- Butterfly disc design – Provides excellent shut-off and precise flow regulation.
- PTFE or EPDM seals – Ensures tight sealing and compatibility with aggressive media.
- Low torque operation – Reduces wear and extends valve lifespan.
4. Compliance with Industry Standards
- FDA, EHEDG, 3-A compliant – Meets strict hygiene regulations.
- ASME BPE standards – Suitable for biopharmaceutical and ultra-clean processes.
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Technical Specifications
| Parameter | Details |
|------------------------|------------|
| Material | 316L Stainless Steel |
| Connection Type | Tri-Clamp (DIN 32676), Weld Ends |
| Pressure Rating | Up to 10 bar (145 psi) |
| Temperature Range | -10°C to 150°C (14°F to 302°F) |
| Seal Material | PTFE, EPDM, Silicone |
| Disc Type | Wafer-style, Zero Stagnation Design |
| Surface Finish | Ra ≤ 0.8 µm (Electropolished) |
| Standards | FDA, EHEDG, 3-A, ASME BPE |
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Applications of WH Sanitary Butterfly Valve
1. Food & Beverage Industry
- Used in dairy, brewing, and juice processing to prevent contamination.
- Suitable for CIP (Clean-in-Place) and SIP (Sterilize-in-Place) systems.
2. Pharmaceutical & Biotechnology
- Ensures aseptic conditions in drug manufacturing.
- Compatible with WFI (Water for Injection) and purified water systems.
3. Cosmetics & Personal Care
- Prevents bacterial growth in lotions, creams, and liquid formulations.
4. Chemical Processing
- Handles aggressive chemicals without corrosion risks.
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Installation & Maintenance Tips
Installation Guidelines
1. Ensure proper alignment with the pipeline to avoid stress on the valve.
2. Use Sanitary Clamps or orbital welding for leak-free connections.
3. Avoid over-tightening to prevent seal damage.
Maintenance Best Practices
- Regular inspection of seals and disc for wear.
- Clean with approved sanitizers to maintain hygiene.
- Lubricate stem (if applicable) for smooth operation.
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Why Choose WH Sanitary Three-Piece Welded Butterfly Valve?
✅ Zero contamination risk – Ideal for sterile processes.
✅ Easy to clean & maintain – Reduces downtime.
✅ Long-lasting performance – Resistant to wear and corrosion.
✅ Wide industry compliance – Meets global sanitary standards.
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Conclusion
The WH Sanitary Three-Piece Welded Butterfly Valve is a top choice for industries demanding hygienic, durable, and efficient flow control. Its welded construction, compliance with FDA/3-A standards, and easy maintenance make it a reliable solution for sanitary applications.
For high-purity processes, this valve ensures safety, efficiency, and regulatory compliance. Whether in pharmaceuticals, food processing, or biotechnology, it delivers superior performance with minimal maintenance.
Looking for a sanitary butterfly valve? The WH Three-Piece Welded Butterfly Valve is the optimal solution for clean, safe, and efficient operations.
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