EN331 Ball Valves
Arrow Piping Solutions is a certified manufacturer, supplier, and distributor of BS5494 British Certified EN331 Ball Valves in India. Our EN331 Approved Lever Operated Ball Valves are ideal for potable water, town supply, natural supply, and liquid isolation applications. Available in sizes ranging from ¼” to 4”, these valves come with nickel-plated brass bodies, PTFE seats, and compression-type connections for leakproof performance.
These valves conform to EN331:1998+A1:2010 and carry approvals such as BSI, WRAS, CE, and PED. Designed for temperatures ranging from -20°C to +110°C and working pressures up to 5 bar, our valves meet the highest safety and performance standards for flow systems. With a yellow-coded handle, NBR O-rings, and ISO228 threads, Arrow Piping Solutions ensures reliable and long-lasting valve solutions.

Arrow Piping Solutions stocks a full range of EN331 Ball Valves with compression, threaded, flanged, and press connections. Designed for HVAC, domestic installations, and process industries, our valves are tested as per BS 6755 and API 598 standards to ensure optimal performance.
EN331 Ball Valve Specifications
Standard | BS EN 331:1998+A1:2010 |
---|---|
Size | 15mm to 54mm |
Temperature Range | -20°C to +110°C |
Media Temp Limit | -20°C to +60°C |
Thread Type | BSPT Taper Male |
Pressure Rating (MOP) | 5 bar |
End Connection | Compression, Flanged, Threaded, Press |
Body Material | Nickel Plated Brass |
Seat Material | PTFE |
Seal | NBR O-ring |
Handle | Yellow coded butterfly lever |
Conformance | WRAS, BSI, API 607 Fire Safe, MSS SP-110 |
Available Types of EN331 Brass Ball Valves
- Compression End Ball Valves
- Flanged Floating Ball Valves
- Male x Female Angle Pattern Valves
- Neck Extension Brass Valves
- Butterfly Handle Valves
- Locking Lever Ball Valves
EN331 Ball Valve Applications
EN331 Ball Valves from Arrow Piping Solutions are extensively used in:
- HVAC Systems
- Domestic Installations
- Industrial Pipelines
- Town Supply Distribution
- Petrochemical Plants
- Food & Beverage Process Lines
- Fire Safe Installations
- Process Isolation
Why Choose Arrow Piping Solutions?
We offer:
- Wide size availability (15mm to 54mm)
- Competitive pricing and fast delivery
- WRAS & BSI Certified EN331 Valves
- Customization and OEM services
As one of India’s leading manufacturers of EN331 Ball Valves under the OS-LOK brand, Arrow Piping Solutions ensures consistent quality, tight sealing, and long-term reliability for all your control applications.