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Pneumatic Actuated Lug Butterfly Valve

High Performance • Durable • Leak Proof

API 6DASME B16.34ISO 17292CE Certified

Pneumatic Actuated Lug Butterfly Valve for dead-end service with reliable operation and bi-directional sealing.

Technical Specifications

Key Features & Applications



Pneumatic Actuated Lug Butterfly Valve Manufacturer in Africa

Product Introduction

The industrial automation system needs small-sized valves, which offer reliable isolation and allow easy installation and maintenance. Pneumatic Actuated Lug Butterfly Valve is a combination of the lug butterfly valve and the pneumatic actuator and provides fast quarter-turn opening and closing action through the use of compressed air. Due to the lug body construction, it allows the valve to be bolted straight between pipeline flanges, thus being appropriate for use in those places where one part of the pipeline requires servicing without the necessity of servicing of the other part. African Valve is the Topmost Pneumatic Actuated Lug Butterfly Valve Manufacturer in Africa, producing and supplying Pneumatic Actuated Lug Butterfly Valves in different materials, pressures, seating material, and pneumatic actuators in Nigeria, Egypt, South Africa, Kenya, Ghana, and other African countries, as well as abroad.

What Makes a Pneumatic Actuated Lug Butterfly Valve Different from Other Butterfly Valves?

While wafer-type butterfly valves have a valve body fitted with holes for mounting on two adjacent flanges, the lug-type valve has screw-on lugs attached to the body of the valve. This design allows the individual mounting of the flanges to the valve. This enables the valve to work well in a dead-end application if allowed by the pressure rating. When in use, the compressed air operates the pneumatic actuator that turns the disc by 90 degrees..

Valve Construction

The valve comprises lug body construction, precision machined disk, stem, seat made up of either elastomeric material or metal, bearing, ISO 5211 flange mount, and pneumatic actuator. Pneumatic actuator can be either double acting or spring return type and comes with accessories such as solenoid valve, air filter regulator, limit switch, positioner, and indicator


Materials & Construction

The valve is manufactured using:

  • Ductile Iron – ASTM A536 Grade 65-45-12

  • Carbon Steel – ASTM A216 WCB

  • Stainless Steel – ASTM A351 CF8 / CF8M

  • Duplex Stainless Steel – ASTM A995 Grade 4A

  • Super Duplex Stainless Steel – ASTM A995 Grade 5A

Construction features include:

  • Lug Type Body Design

  • Precision Machined Disc

  • Blow-out Proof Stem

  • EPDM, NBR, PTFE, or Metal Seat Options

  • ISO 5211 Mounting Pad

  • Double Acting or Spring Return Pneumatic Actuator

  • Solenoid Valve, Positioner, and Limit Switch Options

Technical Specifications

  • Size Range: DN50 to DN1200 (2" to 48")

  • Pressure Ratings: PN10, PN16, PN25 | Class 150, 300

  • Design Standards: API 609, EN 593, ASME B16.34

  • Testing Standard: API 598

  • End Connections: Lug Type

  • Operation: Pneumatic Actuated

Industrial Applications

Pneumatic Actuated Lug Butterfly Valves are widely used in:

  • Water Treatment Plants

  • Oil and Gas Facilities

  • Chemical Processing Plants

  • Power Generation Stations

  • Marine Installations

  • Fire Protection Systems

  • Utility Pipelines

  • Industrial Automation Networks

Product Features

  • Lug body enables independent flange mounting

  • Pneumatic actuator provides rapid valve operation

  • Quarter-turn mechanism delivers quick isolation

  • Suitable for isolation and moderate throttling duties

  • Available in double acting and spring return configurations

  • Manufactured according to internationally recognized engineering standards

Manufacturing & Inspection

Pneumatic Actuated Lug Butterfly Valves are manufactured according to international engineering standards and customer project specifications. Every valve undergoes dimensional inspection, hydrostatic shell testing, seat leakage testing, pneumatic actuator functional testing, torque verification, operational testing, and final quality inspection before dispatch. Material Test Certificates (MTC), pressure test reports, actuator inspection records, and supporting documentation are available to satisfy engineering, procurement, and project compliance requirements.

Supply Across Africa

African Valve supplies Pneumatic Actuated Lug Butterfly Valves to water utilities, refineries, chemical industries, marine projects, power plants, and industrial automation systems throughout Nigeria, Egypt, South Africa, Kenya, Ghana, and other African countries. Valves are available in multiple material grades, pressure classes, seating options, lug body configurations, and pneumatic actuator arrangements to meet project-specific automated flow control requirements.


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