Lugged Type Butterfly Valve - Lixin Valve Group Co., Ltd
Orbit Plug Valve

Lugged Type Butterfly Valve

Offering resilience and cohesion to pipelines, lugged type butterfly valves are designed with a reliable valve seat which allows for the flange to be easily connected to the valve.It is one of the wafer valves and has more flexibility in installation.

Lixin Valve meets high demand for its valves with lean production practices and the efficiency of our lathes, CNC machines, machining centers and other machines. Applying the latest technology throughout production results in accurate valve designs that directly respond to your concerns.

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Technical Specifications
Size Range

NPS 2″-40″ / DN50-1000mm

Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)

Temperature Rating

-196 ~ +600°C

Stem Material

Stainless steel

Pressure Rating

I.0Mpa ~ 15.0Mpa  150LB ~ 900LB

Leakage Level

Zero Leakage

Disc Material

Carbon Steel, Stainless steel, Duplex steel etc.

Flange Drilling

ASME B16.5, EN 1092, GOST 33259

Seat Material

Soft Seat: PTFE, EPDM, NBR etc.

Metal Seat: SS+Graphite

Body Style

Wafer, Lugged

Design Standard

ASME B16.34, API 609

Test Standard

API 598, EN12266-1, ISO 5208

Face to Face

API 609, ISO 5752, MSS SP-68, ASME B16.10, EN558-1

Operation

Wench, Worm Gear, Electric, Pneumatic, etc

Application

Bulk liquid storage, oil & gas, LNG storage & transportation, steam distribution systems, power generation, geothermal steam, sugar & ethanol, pulp & paper liquor, refining, chemical processing, water & wastewater, air separation, cryogenic services.

Other

The carefully selected materials and contemporary design make our butterfly valve highly recognized.

If our butterfly valve cannot meet your choice, we can provide you with special made.

 

Chief Features

The replaceable seat and seal ring system extends the overall service life of each Lixin valve, thus minimizing downtime without expensive field maintenance or full replacement

Two way zero leakage seal

The unique three eccentric structure makes our valve stable, reliable and easy to maintain

Compared with gate, stop or ball valves of the same size and pressure class, Lixin butterfly valve saves space and weight, and reduces the installation and maintenance cost to the greatest extent.

High strength material stem, anti fly out stem and integrated stem design make the valve more stable and suitable for more operation modes

Live-loading of packing and low leakage packing (meet ISO 15848-1) makes the stem seal safer and suitable for more working conditions

 

The Triple-offset Geometry

Offset 1:

The centerline of rotation axis/stem and seat deviate from each other for a certain distance to ensure the integrity of the sealing surface;

 

Offset 2:

The centerline of rotation axis/stem and body deviate from each other for a certain distance to reduce the friction between the sealing components when open and close the valve.

 

Offset 3:

The centerline of valve body and conical seat sealing face deviate from each other for a certain angle to ensure the sealing ring of the disc can be separated or touched with seat rapidly so that friction and squeeze will not exist between the sealing components.

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