Neles™ butterfly valve, series L6, LW and LG
Minimized pressure loss and energy costs of the process
Industry best valve capacity
Consistent performance even in the most difficult, changing process conditions
Shortest possible maintenance hours
Description
Neldisc™ high performance triple eccentric disc valves
Neles Neldisc series L6, LW and LG triple eccentric disc valves operate both in control and shut-off applications, with close to equal percentage characteristics and superior tightness.
Applications
- Biotechnology
- Geothermal applications
- Pulp and paper
- Water and wastewater
- Refining
- Oil and gas
- Petrochemicals
- ESD service
- Industrial gas
- Power generation
- Food and beverages
- Pulp and paper
Special Features
- L6 double flanged, LW wafer type, LG lug type
- Triple offset
- Driveshaft with trunnion or through shaft (Model D only)
- Zero leakage with true metal-to-metal sealing
- One piece, full metal sealing without any resilient parts in the pipeline
- High, long-lasting tightness
- Unique, industry best disc valve control behavior with patented Q-disc feature – possible to mount even on existing valve units
- Modular design minimizes the spare part inventory – the same spares can be used in multiple Neles Neldisc designs
- Minimized actuator torque. Smaller actuator and lower piping stress
- BAM certified construction for gaseous oxygen as an option
- In-built thermal and pressure compensation
- Extended rangeability to 90 degrees control applications
- Optimized spare part inventory
- Suitable to dirty and abrasive services
Technical Specifications
Series
L6
LG
LW
Design
Double flanged
Lug
Wafer
Size range
3" - 88" / DN80 - DN2200
3" - 40" / DN80 - DN1000
3" - 40" / DN80 - DN1000
Newest model scope
3" - 12" / DN80 - DN300
3" - 12" / DN80 - DN300
3" - 12" / DN80 - DN300
Pressure classes
ASME 150-600 / PN10-50
ASME 150-300 / PN10-50
ASME 150-300 / PN10-50
Temperature range
-200 °C … +600 °C / -330 °F…+1110 °F
-200 °C … +600 °C / -330 °F…+1110 °F
-200 °C … +600 °C / -330 °F…+1110 °F
Downloads
Technical bulletin, series L6, LW & LG
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Installation, maintenance and operation manual, series L6, LW & LG
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Technical bulletin, Neles™ high performance metal seated Neldisc™ triple eccentric butterfly valve Series LW & LG, Previous generation DN 80 - DN600
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Neles™ high performance metal seated Neldisc™ triple eccentric butterfly valve Series LW & LG, Sizes DN 700 and bigger
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Installation, maintenance and operation manual, series LW & LG
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Technical bulletin, Neles™ Neldisc™ high performance butterfly valves Series L6, Previous generation 4”-24” for all pressure ratings except F/D & F/E
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Technical bulletin, Neles™ Neldisc™ high performance butterfly valves Series L6, Sizes 28” and bigger & all sizes for pressure ratings F/D & F/E
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Installation, maintenance and operation manual, series L6
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Technical bulletin, Neles™ Neldisc™ high performance metal seated triple eccentric disc valve Series LW, LG, ASME rated (US = applicable for North American markets only)
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Related Products
Sales Support
Nguyen Thi Kieu Thi
Sales Engineer (Chinese Speaking)
John Dinh
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Dao Thi Thao Ngoc
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