LESER is a medium-sized, family-owned company, backed up by almost 200 years of tradition. LESER is a headquartered in Hamburg/Germany and maintains a state-of-the-artfactory. The core business is the safety of pressurized facilities. LESER sells, produces and develops safety valve for all industrial applications. Many years of experience, coupled with state-of-the-art products and services, enables LESER to offer competent solutions to the needs of worldwide customers. LESER follows an in-house manufacturing philosophy and guarantees a high standard quality, which has allowed LESER to become and industry leader for safety valves world-wide.
API Flanged Safety Relief Valve:
- 100% Compatibility to API 526
- Single Trim (identical internal parts for steam/gas/liquids) allows economical maintenance
- Longer valve lifespan due to hardened disc and (partially) stellited seat
- Longer lifespan of optional bellows through integrated shielding
COMPACT PERFORMANCE Safety Relief Valve:
- Compact design with high capacity relative to valve size
- Large selection of possible connections and seals for different operating conditions
- Space-saving horizontal installation possible
- Single Trim (identical internal parts for steam/gas/liquids) allows economical maintenance
- Longer lifespan of optional bellows through integrated shielding
HIGH EFFICIENCY Pilot Operated Safety Valve:
- Pilot Operated Safety Valve
- Piping between the pilot and main valves is integrated into the cover to prevent damage and freezing
- Integrated Backflow Preventer as standard part
- Higher capacity than comparable size with extra orifices
- Supplementary Loading System
- Higher operating pressures are possible
- Closing pressure difference of up to -3 %; opening process is independent of back pressure
- Functional test and valve adjustment possible during operation
- Max. 0.1 sec. for valve to open completely
HIGH PERFORMANCE Flanged Safety Valve:
- High blow-off capacity in comparison to valve size
- Universal valve for many applications up to DN 400 / 16" or 300 bar / 4350 psig
- Simple and robust construction
- Single trim (identical internal parts for steam/gas/liquid) allows economical maintenance
- Large selection of options for different operating conditions