LUG Butterfly Valve
Size: DN80
Design standard: BS5155, API609,EN593
Test standard: DIN3230 Part3, AP598, EN12266-1
Face to face standard: DIN3202K1, API609, EN558-1, ISO5752
Flange connection: DIN2501 PN10&PN16, BS4504 PN10&PN16, ASME B16.1 125LB and 150LB, JIS B2220 1OK and so on
Medium: water, sewage, oil, food, gas, and so on
Working pressure: 10bar/16bar
Test pressure: shell: 15bar/24bar seal:11bar/17.6bar
Product Introduction
A DN80 LUG butterfly valve is a type of industrial valve that is designed to control the flow of fluids, gases, or other materials through a pipeline. The term "DN80" refers to the valve's nominal diameter, which is 80 millimeters (3.15 inches).
The "LUG" designation refers to the way the valve is mounted. LUG butterfly valves have threaded inserts on the valve body that allow them to be bolted to a pipeline without the need for flanges. This makes them easier to install and remove than other types of butterfly valves.
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STANDARD MATERIAL OF MAIN PARTS |
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|
NO. |
PART |
MATERIAL |
|
1 |
Body |
Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel |
|
2 |
Seat |
NBR, EPDM, VITON, NEOPRENE, NATURAL RUBBER, PTFE |
|
3 |
Stem |
Stainless Steel, carbon steel |
|
4 |
Disc |
Plated Ductile Iron, CF8, CF8M, Aluminum Bronze, carbon steel |
|
5 |
Pin |
Stainless Steel |
|
6 |
Bushing |
PTFE, Bronze |
|
7 |
O-Ring |
NBR, EPDM, VITON |
Features:
1. Small in size and light in weight, easy to install. It can be mounted wherever needed, suitable for various actuators.
Lug type of butterfly valve can be used at the end of the pipeline.
The lug-type butterfly valve has threaded metal inserts (usually stainless steel) installed in the valve's bolt holes.
The inserts are threaded on both ends, which allows this lug-style valve to be installed into a system using two sets of bolts and no nuts for each hole.
The valve is installed between two flanges using a separate set of bolts for each side of the flange.
This setup permits either side of the piping system to be disconnected without disturbing the other side.
When used at the end of the pipeline service, it has a reduced pressure rating. E.g, it rates 150 PSI when mounted between two flanges, while it rates just 75 PSI when mounted at the end of the pipeline service.
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