304 Stainless Steel Ball Valve DN8–DN25 Female Thread High Pressure

304 Stainless Steel Ball Valve – High Pressure, Full-Bore, Female Threaded

Built for demanding plumbing, industrial, and irrigation applications, this 304 stainless steel ball valve delivers reliable shut-off performance across a wide range of pipe sizes (DN8, DN10, DN15, DN20, DN25 — equivalent to 1/4", 3/8", 1/2", 3/4", and 1"). The female-to-female (double internal thread) straight-through design makes installation quick and straightforward without additional adapters.

Key Features

• Premium 304 Stainless Steel Construction – Corrosion-resistant and durable for long-term use in wet or chemically active environments.
• Double Internal (Female) Thread – BSP/NPT-compatible threaded connections on both ends for secure, leak-free joints.
• High Pressure Rated – Handles pressures up to 850 kPa, suitable for water, gas, oil, and other compatible media.
• Full-Bore Straight-Through Design – Minimises flow restriction for maximum flow rate and efficiency.
• Multiple Size Options – Available in DN8 (2 points), DN10 (3 points), DN15 (4 points), DN20 (6 points), and DN25 to suit a wide variety of piping systems.
• 90° Quarter-Turn Operation – Easy open/close with a single lever turn for quick flow control.
• Smooth Ball Mechanism – Precision-machined stainless steel ball for consistent, durable operation cycle after cycle.

Specifications

• Material: 304 Stainless Steel
• Connection Type: Threaded (Female × Female / Double Internal Thread)
• Sizes: DN8, DN10, DN15, DN20, DN25 (2, 3, 4, 6 Points)
• Max Pressure: <850 kPa
• Valve Type: Ball Valve – Straight Through (Full Bore)
• Made in Mainland China

Common Applications

• Residential and commercial water supply lines
• Irrigation and garden water systems
• Industrial fluid control pipelines
• Compressed air and gas systems
• HVAC and heating pipework

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For guidance on safe installation practices for plumbing valves and fittings, refer to the U.S. Consumer Product Safety Commission (CPSC) and relevant local plumbing codes.

Frequently Asked Questions

Q: What pipe sizes does this stainless steel ball valve fit?

A: This ball valve is available in DN8, DN10, DN15, DN20, and DN25 sizes — commonly referred to as 2, 3, 4, and 6 point fittings. These correspond to 1/4", 3/8", 1/2", 3/4", and 1" pipe diameters, covering most standard residential and industrial plumbing applications.

Q: What is the maximum pressure this 304 stainless steel ball valve can handle?

A: This valve is rated for pressures up to 850 kPa, making it suitable for water supply lines, irrigation systems, compressed air, and light gas applications within that pressure range.

Q: What does "double internal thread" or "female thread" mean?

A: A double internal (female) threaded valve has female BSP or NPT thread connections on both ends, meaning male-threaded pipes or fittings screw directly into both sides of the valve. This simplifies inline installation and removes the need for additional adaptors in most standard piping setups.

Q: Is 304 stainless steel suitable for outdoor or wet environments?

A: Yes. 304 stainless steel is highly corrosion-resistant, making it an excellent choice for outdoor, high-moisture, or chemically active environments such as garden irrigation, industrial pipelines, and marine-adjacent applications.