Stainless Steel BSP Three-Piece Ball Valve 1/2"–2" DN15–50

Stainless Steel Three-Piece BSP Ball Valve – Industrial-Grade Pipeline Control

Take control of your industrial or commercial pipeline systems with this heavy-duty Stainless Steel Three-Piece Ball Valve. Available in BSP thread sizes from 1/2" to 2" (DN15–DN50), this manual valve is engineered for reliable flow control across a wide range of industrial, agricultural, and plumbing applications. Its three-piece design allows for easy inline maintenance and cleaning without removing the entire valve from your pipeline.

Key Features

• Material: Premium 304 stainless steel construction for exceptional corrosion resistance and long service life
• Connection Type: BSP (British Standard Pipe) ultrasonic welding connection for a secure, leak-free seal
• Size Options: Available in 1/2", 3/4", 1", and 2" (DN15, DN20, DN25, DN32, DN40, DN50)
• Three-Piece Body: Removable end pieces allow full in-line maintenance without disconnecting the pipeline
• Manual Operation: Simple lever handle for quick quarter-turn on/off flow control
• Working Pressure: Rated for up to 850 kPa, suitable for a broad range of pipeline environments
• Valve Type: Union-style ball valve for versatile installation in various pipeline configurations

Ideal Applications

• Industrial fluid and gas pipeline systems
• Water treatment and distribution networks
• Agricultural irrigation systems
• Chemical processing and food-grade fluid lines
• HVAC and mechanical engineering installations

Why Choose This Ball Valve?

The stainless steel body offers outstanding resistance to rust, oxidation, and harsh chemicals, making this valve ideal for demanding environments. The union (three-piece) design is a standout feature for maintenance-focused installations — simply unscrew the end unions to remove the valve body for inspection or cleaning, then reassemble without disturbing your pipework. The quarter-turn lever handle provides instant visual confirmation of open/closed status for safe and efficient operation.

Made in Mainland China.

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External Resource

For workplace safety standards related to industrial valves and pipeline systems, refer to the OSHA Control of Hazardous Energy (Lockout/Tagout) guidelines.

Learn more: Ball valve

Frequently Asked Questions

Q: What sizes are available for this stainless steel BSP ball valve?

A: This three-piece ball valve is available in BSP thread sizes 1/2", 3/4", 1", and 2", corresponding to DN15, DN20, DN25, DN32, DN40, and DN50 nominal pipe diameters — covering a wide range of industrial and residential pipeline applications.

Q: What is the advantage of a three-piece ball valve design over a one-piece or two-piece valve?

A: The three-piece (union) design allows you to remove the central valve body from the pipeline for inspection, cleaning, or replacement without cutting or disconnecting your pipework. This makes it ideal for systems that require regular maintenance, as the two end unions simply unscrew for full access.

Q: Is this ball valve suitable for use with water, gas, or chemicals?

A: This valve is constructed from 304 stainless steel, which offers excellent resistance to corrosion and many common industrial fluids. It is rated for working pressures up to 850 kPa. Always verify compatibility with your specific media (fluid or gas) before installation, especially for highly aggressive chemicals.

Q: What does BSP thread mean and is it compatible with my existing fittings?

A: BSP stands for British Standard Pipe, a widely used thread standard in plumbing and industrial piping systems across the UK, Europe, Australia, and Asia. Check your existing fittings to confirm they use BSP (also known as G-thread) before purchasing. BSP is distinct from NPT (National Pipe Thread) used in North America.