6 inch Butterfly Valves

The 6" (DN150) Butterfly Valve is a widely used size across a range of industrial and commercial applications, striking the perfect balance between flow capacity and control. Suitable for both on/off isolation and modulating flow, these valves are commonly installed in systems such as water treatment, HVAC, chemical processing, and marine operations.Available in wafer, lugged, and double flanged patterns, 6" butterfly valves can be supplied with a variety of body materials including ductile iron, carbon steel, stainless steel, and aluminium bronze. Disc and seat options range from EPDM, NBR, and Viton to PTFE and metal seats, making them adaptable to both standard and aggressive media. All valves in this size range are typically fitted with an ISO 5211 mounting pad, allowing for easy automation with electric or pneumatic actuators.

Key Features

Key features and benefits.
1

Key Features

The 6" butterfly valve offers precise modulation and dependable shut-off, making it ideal for both isolation and throttling duties. Its quarter-turn design ensures fast operation with minimal pressure drop.
2

Key Features

Available in materials such as ductile iron, stainless steel, carbon steel, and aluminium bronze, these valves are built to withstand harsh operating environments. They can be tailored to suit various media including water, steam, chemicals, and seawater.
3

Key Features

Each valve is designed with an ISO 5211 mounting pad, allowing seamless integration with pneumatic or electric actuators. This enables efficient remote operation and supports process automation across industrial systems.

Ductile Iron Butterfly Valves

The 6" 20W3080 Ductile Iron Butterfly Valve is designed to deliver reliable performance across a wide range of industrial, water, and HVAC applications, offering excellent resistance to wear and pressure at a competitive cost.

Manufactured with a durable ductile iron body and a replaceable rubber-lined seat, this concentric valve is ideal for on/off isolation or throttling flow, depending on system demands. The valve’s robust design ensures tight shutoff, while the concentric seating arrangement allows the elastomer seat to form a full seal on both sides of the disc—perfect for bidirectional flow control.

Size Range: DN32-DN1600 (1 1/4"-64")
Body Materials: GJS500-7 Ductile Iron Rilsan Coated
Disc Materials: CF8M Stainless Steel
Seat Materials: EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Potable/Waste Water, Cooling Systems, Oil, Gases, Air
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Carbon Steel Butterfly Valves

6" 20W3080 Carbon Steel Butterfly Valve is built for demanding industrial applications, offering enhanced strength and chemical compatibility where standard materials may fall short. Featuring a Rilsan-coated WCB carbon steel body, this valve is ideal for use in high-pressure, high-temperature, and more corrosive process environments.

With compatibility across ANSI 150, PN10, PN16, and JIS flange standards, the 6" carbon steel valve offers versatile integration into global piping systems. Certifications such as EN 10204 3.1, pressure testing, and third-party witness inspection are available to meet project and site-specific requirements.

Size Range: DN32-DN1600 (1 1/4"-64")
Body Materials: WCB Carbon Steel
Disc Materials: CF8M Stainless Steel
Seat Materials: EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Potable/Waste Water, Cooling Systems, Oil, Gases, Air
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Stainless Steel Butterfly Valves

The 6" 20W3080 Stainless Steel Butterfly Valve offers premium corrosion resistance and hygienic flow control, making it ideal for demanding applications in the food & beverage, pharmaceutical, chemical, and water treatment industries.

Built with a full stainless steel body and disc, this valve provides long-term durability in aggressive environments where resistance to rust, chemical attack, or frequent washdowns is essential. The concentric design includes a replaceable rubber-lined seat, delivering a tight, reliable seal for both on/off service and throttling control.

Size Range: DN32-DN1600 (1 1/4"-64")
Body Materials: CF8M 316 Stainless Steel
Disc Materials: CF8M 316 Stainless Steel
Seat Materials: EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Potable/Waste/Sea Water, Cooling Systems, Oil, Gases, Air, Corrosive, Chemical
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PTFE Lined Butterfly Valves

This valve is ideal for industries such as chemical processing, pharmaceuticals, water treatment, and pulp & paper, where metal components alone would degrade quickly under harsh conditions. The concentric seat design ensures tight shutoff in both flow directions, while the low-friction PTFE surface allows smooth operation and reduces torque requirements.

Compatible with ANSI 150, PN10, PN16, and JIS flanges, the 6" PTFE butterfly valve offers versatile installation across international piping systems. We offer standard EN 10204 3.1 certification, pressure testing, and optional third-party witness testing, with additional documentation available on request.

Size Range: DN40-DN300 (1 1/2"-12")
Body Materials: GJS500-7 Ductile Iron Rilsan Coated
Disc Materials: CF8M Coated PTFE FDA Approved
Seat Materials: PTFE FDA Approved, UHMWPE
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Chemical, Pharmaceutical, Petrochemical, Corrosive, Food & Beverage, Water, Vacuum
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High Performance Butterfly Valves

Available in both metal seated and PTFE seated designs, these valves are ideal for industries such as oil & gas, chemical processing, power generation, and marine, where durability and leak-tight performance are essential. The eccentric design reduces seat wear during operation, extending valve life and improving long-term efficiency.

The robust body design—available in carbon steel, stainless steel, or other alloy options—is matched with a variety of disc and seat combinations to meet specific media compatibility and temperature requirements. These valves are also fire-safe certified and can be supplied with EN 10204 3.1 certification, witness testing, and full pressure test reports.

Size Range: DN50-DN600 (2"-24")
Body Materials: Cast Carbon Steel A216 WCB, Stainless Steel CF8M
Disc Materials: Stainless Steel CF8M
Seat Materials: RPTFE Soft Seat, F-316L Stainless Steel Hard Seat, Stellite, Hard Chromium
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Vacuum, Chemical, LPG/LNG, Hydrocarbons, Steam, Air, Bitumen, Corrosive, Thermal Oil
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Aluminium Bronze Butterfly Valves

With a robust B148 Aluminium Bronze disc and replaceable rubber-lined seat, this concentric valve delivers reliable sealing performance for both on/off isolation and flow modulation. Its material composition offers long-term stability in environments where standard materials would deteriorate, making it ideal for fire protection systems, cooling water lines, ballast control, and seawater intake/outlet pipelines.

Compatible with ANSI 150, PN10, PN16, and JIS flange standards, the 6" valve is easy to install across a range of international systems. Certification options include EN 10204 3.1, witness pressure testing, and marine class approvals upon request. Spare parts and seat replacements are readily available from stock to support ongoing maintenance schedules.

Size Range: DN32-DN1600 (1 1/4"-64")
Body Materials: B148 C9500 Aluminium Bronze
Disc Materials: B148 C9500 Aluminium Bronze
Seat Materials: EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Potable/Waste/Sea Water, Cooling Systems, Oil, Gases, Air, Desalination, Marine Applications
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Bronze Disc Butterfly Valves

Its concentric design is paired with a replaceable rubber-lined seat, forming a tight, bubble-proof seal that ensures reliable on/off operation or throttling control. The bronze disc construction makes it especially suitable for use in seawater cooling, ballast systems, fire protection, and potable water lines, where long-term stability and material performance are essential.

Flange compatibility covers ANSI 150, PN10, PN16, and JIS, providing installation flexibility across international systems. Certification support includes 3.1 material certification, pressure testing, and third-party witness inspection upon request. With sustainable spare parts available from stock, the 6" Bronze Disc Butterfly Valve ensures simplified maintenance and consistent performance in some of the most demanding operating environments.

Size Range: DN32-DN1600 (1 1/4"-64")
Body Materials: GJS500-7 Ductile Iron Rilsan Coated
Disc Materials: B148 C9500 Aluminium Bronze
Seat Materials: EPDM, NBR Buna, Hypalon, Viton, Silicone, High Temperature, Polyisoprene, Epichloridine
Actuated Function: Lever Operated, Hand Wheel / Gear Box Operated, Extended / Extension Chain Wheel
Applications: Potable/Waste/Sea Water, Cooling Systems, Oil, Gases, Air
Find Out More

Frequently Asked Questions

A standard 6" wafer pattern butterfly valve typically has a face-to-face dimension of around 73mm to 95mm, depending on the manufacturer and whether it follows EN 558 or API 609 standards.

6" butterfly valves are commonly rated for PN10, PN16, or ANSI 150, making them suitable for most general industrial, water, and HVAC systems.

The Cv value for a 6" butterfly valve generally ranges from 900 to 1200, offering strong flow capacity suitable for medium-to-high flow systems.

Common body materials include ductile iron, carbon steel, and stainless steel, while Aluminium Bronze is often used for marine and seawater applications.

Yes. The 6" valve size is ideal for both on/off service and flow modulation, offering a smooth control curve when paired with a suitable actuator.

Absolutely. Most 6" valves include an ISO 5211 mounting pad for direct installation of electric or pneumatic actuators, making automation simple and efficient.

Typical seat options include EPDM, NBR, Viton, PTFE, and Silicone, selected based on the application’s temperature, pressure, and media compatibility.

6" butterfly valves can be supplied to suit ANSI 150, PN10, PN16, or JIS flange standards, allowing for compatibility across global systems.

These valves are commonly found in water treatment, HVAC, marine, chemical processing, power generation, and fire protection systems.

Yes, most concentric 6" butterfly valves are bi-directional, allowing installation in either flow direction without affecting sealing performance.

Yes. Manual worm gear operators are widely available for 6" valves, offering smooth and precise control for larger or higher-pressure pipelines.

Yes, most manufacturers—including TTV—offer spare seats, discs, and shafts, making it easy to maintain and extend the valve's service life.

FAQ

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6 inch Butterfly Valves