Neles™ butterfly valve, series L1 and L2
High performance triple eccentric valve
Neles Neldisc series L1 and L2 triple eccentric disc valves operate both in control and shut-off applications, with close to equal percentage characteristics and superior tightness.
Features
- L1 wafer type, L2 lug type
- Tripple offset, 2 piece shaft design
- One piece, full metal sealing without any resilient parts in pipeline
- High, long lasting tightness does not rely on differential pressure
- Unique, industry best disc valve control behavior with patented S-disc feature – possible to mount even on existing valve units
- Modular design minimizes the spare part inventory – same spares can be used in multiple Neles Neldisc designs
- Minimized actuator torque. Smaller actuator and lower piping stress
- Neldisc triple eccentric disc valves operate both in control and shut-off applications.
- Compact and light weight construction with Neles B-series actuator
- Suitable for vacuum service
- Very tight even in low dp's
- Extended rangeability to 90 degrees control applications
- In-built thermal and pressure compensation
- Optimized spare part inventory
- Suitable to dirty and abrasive services
Applications
- Pulp and paper
- Water and waste water
- Refining cooling waters
- Oil and gas
- Petrochemicals
- ESD service
- Industrial gas
- Power generation
Specifications
| Design | L1 - Wafer type |
| L2 - Lug type | |
| Size range | DN 700 - 1200 / 28" - 48" |
| Pressure classes | ASME 150 - 300, DIN PN 25, 40 |
| Temperature range | -200 °C … +600 °C / -330 °F…+1110 °F |
