Home/ Industrial Valves/ Lug Butterfly Valve
Butterfly Valve Lug Type
Industrial Valves
Tapped LugsDead-End RatedClass 150 / PN16Gearbox / Lever

Lug Type Butterfly Valve (Ductile Iron, Class 150 / PN16)

Lug butterfly valve · ductile iron · ASME B16.5 / EN 1092-1 · UAE stock

A butterfly valve with threaded lugs around the body, so each flange bolts to the valve independently. One side of the line can be dismantled while the valve holds pressure, which makes it the choice for end-of-line and equipment isolation.

Body
Ductile iron, tapped lugs
Seat
EPDM / NBR
Rating
Class 150 / PN16
Sizes
2" to 12"
Same-day quote Bulk & wholesale UAE & GCC delivery

Quality Assured

Checked stock, standard-compliant

Wide Size Range

Full sizes, ratings & materials

Ex-Stock, Dubai

Ready inventory, UAE & GCC delivery

Bulk & Wholesale

Project quantities at best price

Overview

Lug type butterfly valves for dead-end and equipment isolation in the UAE

A lug butterfly valve has threaded lugs cast around its body that match the flange bolt holes. Instead of through-studs, each pipe flange is bolted to the lugs with its own set of cap screws or studs. That means the downstream flange can be removed for maintenance while the valve stays bolted to the upstream side and continues to isolate, within its dead-end rating. The rubber seat seals against both flange faces, so no separate gaskets are needed.

Hamza Fasteners supplies lug butterfly valves from 2" to 12" in ductile iron with EPDM or NBR seats, drilled and tapped for ASME Class 150 or PN16. They are used at pump, chiller and strainer connections, tank outlets and end-of-line positions in district cooling, fire and water networks. Lever operation is available to 8", gearboxes above. Send the size and flange standard to our Dubai team.

Technical Data

Lug Butterfly Valve datasheet and specifications

Reference data for Lug Butterfly Valve. Confirm exact size, rating and material for your order with our team.

This datasheet shows representative sizes for reference only. Lug Butterfly Valve is supplied in the full range of sizes, ratings and materials — not a single option. Tell us what you need and we will confirm exact availability, specification and price.

Lug tapping · ASME B16.5 Class 150

Class 150 bolt count and lug tapping

HAMZA FASTENERS
Reference
Valve SizeNominal DNBolts per SideLug Thread
2"DN5045/8"-11 UNC
3"DN8045/8"-11 UNC
4"DN10085/8"-11 UNC
6"DN15083/4"-10 UNC
8"DN20083/4"-10 UNC
10"DN250127/8"-9 UNC
12"DN300127/8"-9 UNC
Bolting per ASME B16.5 Class 150. PN16 lug valves are tapped metric (M16 to M24); state the flange standard when ordering.
Datasheet · BFV-LG

Product Specification

HAMZA FASTENERS
Rev. 01
Product TypeConcentric lug butterfly valve
Body MaterialDuctile iron, epoxy coated
DiscDuctile iron, Al-bronze or SS 316
SeatEPDM or NBR
Pressure RatingClass 150 / PN16; dead-end rating per maker
OperationLever to 8", gearbox above
Size Range2" to 12"
Dead-end pressure rating may be lower than the full body rating; check the maker's data.
Size
2" to 12"
Material
Ductile iron
Rating
Class 150 / PN16
Full range supplied — sizes, ratings & materials
Size Range
2" to 12"
Materials
DI body; DI, Al-bronze, SS disc; EPDM, NBR seat
Standards
ASME B16.5 / EN 1092-1 drilling, API 609, ISO 5211
Pressure
Class 150 / PN16
Ends / Types
Lug, lever or gear operated
Also Available
Wafer butterfly valves, lever butterfly valves
Request Full Datasheet & Price Need a specific size, rating or material? Send us your requirement.
Applications

Where Lug Butterfly Valve is used

District Cooling

Chiller and ETS isolation

Pump Rooms

Pump removal without draining

Fire Networks

Equipment isolation where approved

Tank Outlets

End-of-line shut-off

Marine

Seawater cooling (Al-bronze disc)

Process Plant

Strainer and filter isolation

Availability & Supply

Lug Butterfly Valve supplier across the UAE, GCC and Africa

Stocked in Deira, Dubai and delivered fast across the region. Wherever you are building, we supply in stock and project quantities.

Hamza Fasteners is a trusted Lug Butterfly Valve supplier in Dubai and across the United Arab Emirates — Abu Dhabi, Sharjah and Ajman — with regular export supply to Saudi Arabia (Riyadh, Jeddah, Dammam), Qatar (Doha), Kuwait City, Oman (Muscat) and key East and West African markets including Tanzania (Dar es Salaam), Kenya (Nairobi and Mombasa), Nigeria (Lagos) and Ethiopia (Addis Ababa). Looking for a "Lug Butterfly Valve supplier near me" or the best price in your city? Send us your requirement for a same-day quote.

United Arab Emirates

  • Dubai
  • Abu Dhabi
  • Sharjah
  • Ajman

Saudi Arabia

  • Riyadh
  • Jeddah
  • Dammam

GCC

  • Doha, Qatar
  • Kuwait City
  • Muscat, Oman

Africa

  • Tanzania
  • Kenya · Nigeria
  • Ethiopia
FAQ

Common questions

What does dead-end service mean for a lug butterfly valve?
Dead-end service means the valve holds pressure with the pipe removed on one side. Because a lug valve is bolted independently to each flange, it can do this, but usually at a lower pressure than its full rating. Check the maker's dead-end figure.
Should I choose lug or wafer?
Choose lug where you need to remove downstream equipment, such as a pump or strainer, without draining the system, or at the end of a line. Choose wafer for straightforward inline isolation where both flanges always stay in place, as it is cheaper.
What bolts do I need for a lug butterfly valve?
Each side needs its own set of cap screws or short studs into the tapped lugs. For Class 150 the thread is UNC, and for PN16 it is metric. Bolt length depends on flange thickness, and we can supply the bolting with the valve.
Do you supply all sizes?
We supply 2" to 12" as standard in Class 150 and PN16 drilling, with lever or gearbox operation. Actuator-ready lug valves with ISO 5211 top flanges can also be supplied. Send a full schedule and we will confirm what is in stock and what needs sourcing.
How much does a lug butterfly valve cost in Dubai?
Price depends on size, drilling, disc and seat material, operator and quantity. WhatsApp your list for a quotation. Include the flange standard so we quote the correct lug tapping. Regular buyers can ask for an account price list.
Do you ship lug butterfly valves to the GCC and Africa?
Yes. We deliver across the UAE and ship to the GCC and Africa, with delivery time confirmed at quotation. Bolting for both sides can be packed with each valve. Delivery within Dubai is usually the quickest for stock items.

Need Lug Butterfly Valve for your project?

Share the size, material, rating and quantity. We will confirm stock and send a quick quote with the datasheet and best price.

Email Us WhatsApp Enquiry Call Us sales@hamzafasteners.com · Deira, Dubai
Download Catalogue