BSI Gas Approved Butterfly Valve Lugged PN16 Stainless Steel Disc Vulcanised NBR Liner

This lugged butterfly valve is engineered for safe and efficient use in gas service applications. Built for reliability and compliance, it combines a durable body, corrosion-resistant internals, and a resilient sealing system. Whether used in gas distribution networks or industrial gas systems, it delivers dependable shut-off and ease of maintenance.

Technical Data:

• Body Material: Epoxy-coated ductile iron (typically GS400 or equivalent), offering high strength and excellent corrosion resistance
• Disc Material: Stainless steel (often CF8M grade), ensuring long-lasting performance in gas and mixed-media environments
• Seat/Liner Material: Vulcanised NBR (nitrile rubber), bonded for resilience and high sealing reliability with gases
• Connection Style: Lugged PN16 body with tapped bolt holes, allowing secure flange mounting and one-sided pipeline disassembly
• Operation: Manual lever-operated, providing 90° quarter-turn open/close function
• Certification: Compliant with BSI Gas approval standards, suitable for EN331-type and utility service installations
• Temperature Range: Approx. 25°C to +100°C, depending on fluid and pressure conditions
• Size Range: 3", 4" & 6"
• Pressure Rating: PN16 (16 bar) nominal pressure for robust isolation performance

Key Features:

• Gas-Safe Certification ensures suitability for critical natural gas or LPG service
• Vulcanised NBR Liner provides excellent elasticity, sealing, and temperature stability under gas flow conditions
• Lugged Design enables flexible mounting with the option for downstream pipe removal without full system shutdown
• Robust Stainless Steel Disc adds strength, durability and corrosion resistance, ideal for industrial environments
• Low-Torque Operation allows for smooth manual control or future upgrade to actuation
• Top Mount Pad (ISO 5211 compatible) supports easy retrofitting of gearboxes or actuators

Typical Applications:

• Utility gas distribution mains and branch lines
• Industrial plants using compressed or treated gas lines
• Commercial energy systems with safety shut-off requirements
• Maintenance zones requiring mid-line isolation or staged pipework disassembly

Summary:
This BSI gas-approved butterfly valve is a strong, reliable solution for gas isolation where safety, compliance and durability are critical. With a lugged, tapped design and premium materials throughout, it simplifies installation and ensures long-term performance across a wide range of gas-handling systems.