3 Piece Fully Encapsulated Butt-welded Sanitary Ball Valve

This 3 Piece Fully Encapsulated Butt-welded Sanitary Ball Valve uses butt-weld ends for permanent connection to hygienic piping systems. The inner and outer surfaces of the weld ends are machined to a surface roughness of approximately Ra 0.15μm, providing a smooth welding surface and reducing areas where residue may accumulate around the joint.

The valve uses fully encapsulated seals, with the elastic sealing element enclosed within a smooth protective structure to limit exposed gaps and product retention. Available in 304 or 316 stainless steel, it can be supplied with a polished internal flow passage for sanitary processing and CIP/SIP cleaning. The three-piece construction allows access to internal sealing components for inspection and replacement after the valve has been isolated and depressurized.

Main Dimensions

· N: Thread ends according ANSl B 2.1 NPT
· B: Thread ends according BS21 BSP

General Dimensions

Kv VALUES

Kv (m3/h) = Flow rate of water in cubic meter per hour that will generate a pressure drop of 1 b bar across the valve.

Product Advantages

1. Precision-Turned Butt-Weld Ends

Both inner and outer surfaces of the weld ends are precision machined to Ra ≈ 0.15μm, ensuring high coaxiality and tight fit with on-site sanitary pipelines, guaranteeing stable welding quality and eliminating hidden sanitary risks at connection joints.

2. Fully Encapsulated Sealing Structure

The fully encapsulated seal design completely wraps the elastic sealing core, removing exposed elastomer gaps and fluid retention areas. It effectively prevents medium accumulation and microbial growth, maintaining long-term hygienic performance and simplifying cleaning procedures.

3. Premium Sanitary-Grade Stainless Steel

Available in 304 and 316 stainless steel options, the valve delivers excellent corrosion resistance and mechanical strength. The mirror-polished internal flow path ensures smooth fluid transfer with minimal resistance, fully complying with sanitary industrial piping requirements.

4. 3PC Split Structure for Easy Maintenance

The three-piece split body allows full disassembly and seal replacement directly on the pipeline without cutting off the entire line, greatly reducing system downtime and lowering daily operation and maintenance costs.

FAQ

1. What certifications does this sanitary ball valve have?

Our production system is certified to ISO 9001, and CE documentation is available for applicable sanitary ball valve configurations. The available certification and documentation can be confirmed according to the specific product and order requirements.

2. What body materials are available for this valve?

The standard body material options are 304 stainless steel and 316 stainless steel. The appropriate grade can be selected according to the working medium, temperature and corrosion conditions.

3. How is the machining accuracy of the butt-weld ends?

The inner and outer surfaces of the butt-weld ends are machined to a surface roughness of approximately Ra 0.15μm. This provides a smooth welding surface and supports proper connection with compatible sanitary piping.

4. What are the main features of the 3 Piece Fully Encapsulated Butt-welded Sanitary Ball Valve?

The valve combines butt-weld ends, fully encapsulated seals and 304 or 316 stainless steel construction. The smooth internal configuration is suitable for sanitary processing systems where CIP or SIP cleaning is required.

5. Can we visit your factory for on-site inspection?

Yes. The factory is located in Wenzhou, Zhejiang, China, approximately 10 minutes by car from Wenzhou Airport. Factory visits can be arranged in advance, with reception support provided according to the visit schedule.