Wafer Lugged Butterfly Valve , India Manufacturer & Supplier in Mumbai
FMV Valve Automation is a trusted wafer lugged butterfly valve manufacturer, dealer and supplier in Mumbai, serving customers across India. Our wafer lugged butterfly valves are a lugged body with threaded holes that allows end-of-line and dead-end service. They are designed and tested as per API 609, BS EN 593, ISO 5752. We supply 2" to 48" in PN 10 to PN 25, Class 150, with lug (threaded through-holes) ends, in materials such as CI, DI, WCB, CF8M with EPDM, NBR, PTFE seats. They are widely used in chilled water, HVAC, wastewater, chemical and process lines. Share your line size, pressure class and media with our team to receive a technical offer and quote.
About Our Wafer Lugged Butterfly Valves
Wafer Lugged Butterfly Valves combine the compact body arrangement of a wafer-style butterfly valve with threaded lug connections around the valve body. The disc rotates around the valve shaft to start, stop or regulate flow.
The lugged body provides independent bolting points at the pipe connection, making this configuration useful where installation flexibility and maintenance access are important.
The exact valve construction, pressure rating, materials and operating configuration should be selected according to the process medium, temperature, pressure, pipeline arrangement and required duty.
Wafer Lugged Butterfly Valve Specifications (Size, Class, Material, Standards)
A lugged butterfly valve provides a compact rotary valve arrangement with installation and operating characteristics suited to a wide range of industrial piping systems.
Lugged Body Construction
Threaded lug connection points provide a secure method for mounting the valve between pipeline flanges.
Quarter-Turn Operation
A 90-degree rotary movement of the disc allows rapid opening and closing compared with multi-turn valve designs.
Compact Installation
The butterfly valve configuration provides a space-efficient solution for industrial piping layouts.
Reliable Shut-Off
The disc and seating arrangement provides controlled isolation when the valve is moved to the closed position.
Maintenance Flexibility
Independent lug connections can simplify pipeline-side maintenance depending on the system configuration and valve rating.
Automation Compatible
The rotary operating principle allows integration with suitable manual gearboxes, pneumatic actuators or electric actuators.
How a Wafer Lugged Butterfly Valve Works
The valve controls the pipeline by rotating a circular disc around its shaft. Disc position determines how much of the flow passage remains open.
Open Position
The disc is positioned substantially parallel to the flow direction, allowing fluid to pass through the valve.
Rotary Movement
The stem or shaft transfers movement from the handle, gearbox or actuator to the disc.
Flow Regulation
Intermediate disc positions change the available flow passage and can be used for suitable control duties.
Closed Position
The disc rotates across the flow path and engages with the seat to isolate the pipeline.
Designed Around Flexible Pipeline Connections
The main distinction of a lugged butterfly valve is its body connection arrangement. Threaded lugs allow the valve to be secured to the mating flanges using individual bolts.
Threaded Lug Points
Threaded mounting points around the body provide direct bolting locations for the pipeline flanges.
Maintenance Flexibility
The independent bolting arrangement can provide greater piping flexibility during certain maintenance activities.
Compact Rotary Valve
The butterfly disc and compact body arrangement help maintain a space-efficient installation footprint.
Why Choose FMV as Your Wafer Lugged Butterfly Valve Manufacturer & Supplier
Lugged butterfly valves are often selected when compact installation, quick rotary operation and flexible pipeline maintenance are important.
Compact Footprint
Suitable for piping layouts where installation space is limited.
Fast Operation
Quarter-turn movement enables quick valve operation for isolation duties.
Independent Lug Bolting
The lug arrangement allows individual bolting of the pipeline connections.
Automation Ready
Suitable configurations can be integrated with manual or automated operators.
Simple Operating Concept
The rotary disc mechanism provides straightforward flow isolation.
Wide Industrial Use
Can be considered for compatible water, utility and industrial process services.
Industrial Applications
Wafer Lugged Butterfly Valves can be selected for a variety of compatible process and utility piping systems.
Water Treatment
Flow isolation and control in water treatment and utility pipelines.
Wastewater Systems
Suitable valve arrangements for compatible wastewater process lines.
Oil & Gas
Industrial piping isolation where the selected valve configuration matches the process requirements.
Chemical Processing
Used for compatible chemical process services based on material and seat compatibility.
Power & Utilities
Suitable for selected utility and auxiliary piping applications.
HVAC & Industrial Services
Compact quarter-turn isolation for compatible HVAC and industrial utility systems.
Key Components of a Lugged Butterfly Valve
Valve Body
Houses the internal valve assembly and incorporates the lugged pipeline connection arrangement.
Butterfly Disc
The rotating closure element that controls the available flow passage.
Stem / Shaft
Transfers rotary movement from the operating mechanism to the disc.
Valve Seat
Provides the sealing interface between the disc and valve body.
Lug Connections
Threaded connection points used to secure the valve to mating pipe flanges.
Operating Mechanism
May include a lever, gearbox or suitable actuator depending on the selected operating arrangement.
Select the Right Valve for Your Process
Valve selection should be based on actual pipeline and process conditions rather than valve size alone.
Wafer Lugged vs Wafer Butterfly Valves
| Feature | Wafer Lugged Butterfly Valve | Wafer Butterfly Valve |
|---|---|---|
| Body Connection | Threaded lug connection points | Sandwiched between mating flanges |
| Installation | Bolted through the individual lug connections | Typically secured between two pipe flanges |
| Maintenance Flexibility | Greater piping flexibility in suitable configurations | Both mating flanges generally remain part of the assembly |
| Footprint | Compact | Very compact |
| Operation | Quarter-turn disc operation | Quarter-turn disc operation |
Industrial Valve Solutions Focused on Application Requirements
FMV Valve Automation focuses on practical industrial valve solutions with attention to process requirements, operating conditions and application-specific selection.
Discuss your pipeline medium, pressure, temperature, line size and operating requirements with our team to determine the appropriate butterfly valve configuration.
Discuss Your Requirement →Wafer Lugged Butterfly Valve FAQs
What is a Wafer Lugged Butterfly Valve?
It is a butterfly valve with a compact body and threaded lug connection points. The valve uses a rotating disc to control or isolate flow in a pipeline.
How does a lugged butterfly valve work?
The stem rotates the butterfly disc through its operating range. When the disc is aligned with the flow, the passage is open. As the disc rotates across the flow path, the valve closes.
What is the advantage of a lugged body design?
Lugged construction provides threaded mounting points around the valve body and can offer greater flexibility for certain installation and maintenance arrangements.
Can Wafer Lugged Butterfly Valves be automated?
Yes. Depending on the valve configuration and required operating torque, suitable lugged butterfly valves can be operated using manual gearboxes, pneumatic actuators or electric actuators.
Where are Wafer Lugged Butterfly Valves used?
Typical applications include water treatment, wastewater, utilities, HVAC, chemical processing, power and other compatible industrial process systems.
How should I select the correct butterfly valve?
Selection should consider line size, process medium, pressure, temperature, flange arrangement, required sealing performance, operating frequency and manual or automated operation.
Looking for Wafer Lugged Butterfly Valves?
Share your application and pipeline requirements with FMV Valve Automation. Our team can help you identify a suitable valve configuration for your industrial service.