Butterfly valve connection method 3: Lug Butterfly Valve
The lug type butterfly valve is also called the single-clamp type butterfly valve. This kind of butterfly valve uses stud bolts to connect the butterfly valve between the two pipeline flanges. And a valve for regulating fluid passages, suitable for fire pipelines, drainage, sewage, heating and other pipeline systems. When installing the lug butterfly valve, pay attention to fully open the butterfly plate. After adding a sealing gasket between the flange surface of the pipeline and the sealing ring of the butterfly valve, it can be tightened and clamped.

The lug butterfly valve is widely used and has various varieties, such as metal hard sealing butterfly valve: manual, worm gear, pneumatic, electric; lug soft sealing midline butterfly valve: manual, worm gear, pneumatic, electric.
Lug Butterfly Valve Features
- Simple structure, small size, light weight and small installation size.
- Close seal and flow regulation function well
- Suitable for large and medium caliber use
Lug Butterfly Valve Parameters
Size | DN50~DN600 |
Pressure | 0.6MPa, 1.0MPa, 1.6MPa |
Working Temperature | -20~300℃ |
Body Material | Cast iron, cast steel, stainless steel, alloy steel, etc. |
Disc material | Cast iron, cast steel, stainless steel, alloy steel, etc. |
VALTECCN Lug Butterfly Valve Manufacturer, High Quality Butterfly Valve Supplier, Inquire Now!
DN80 Ductile Iron Valve Body Lug Butterfly Valve Sample
EPDM Seat Lug Butterfly Valve Manufacturers
Worm Gear Lug Butterfly Valve: High Performance, Low Pressure Flow Control Valve
Lug Butterfly Valve Body, Ductile Iron Casting
Worm Gear Wafer Butterfly Valve and Worm Gear Lug Butterfly Valve
Ductile Iron Lug Butterfly Valve Purchased Again by Hong Kong Customer
Class 150# Lug Butterfly Valves are Exported to Italy
WRAS Lugged Butterfly Valve, EPDM Coating sold to South Africa
Lug Style Butterfly Valve Exported to India
Full PTFE Lined Lug Type Split Body Butterfly Valve Export to Italy
Ductile Iron Lug Butterfly Valve with Worm Gear Sale to Malaysia