leser safety valves

CHASE provides customers across the world with a professional, experienced point of contact to source Leser safety valves. We can supply spare parts or complete products. For pricing and delivery please complete the form at the bottom of this page or send your RFQ to source@chaseint.co.uk.

Leser Process and General Industrial Safety Valves

LESER is the largest manufacturer of safety valves in Europe. The company employs more than 1,200 staff and produces more than 150,000 safety valves every year. LESER offers spring loaded and pilot operated safety valves for all industrial applications according to the Pressure Equipment Directive and ASME XIII. Major companies in the chemical, oil and gas, petrochemical, energy, technical gases, LNG/LPG, pharmaceutical, food and beverage, shipbuilding and heating and air conditioning industries use LESER safety valves.

API
LESER API Safety valve

Safety valves according to API 526 with standardized capacities, installation dimensions and materials

  • Standardized design and selection according to API 520
  • Wide range of high-alloy materials available in standard delivery times
  • Longer service life due to hardened discs, stellited seats and shielded bellows
  • LESER Nanotightness exceeds API 527 tightness requirements by 50%
HIGH EFFICIENCY – PILOT-OPERATED SAFETY VALVES

Solutions for high plant efficiency

  • Adaptation of the functional behavior to the operating conditions possible
  • Operating pressures up to 97% of set pressures
  • Back pressures up to 95% of set pressures
  • Low loss of medium during the blow-off process
COMPACT PERFORMANCE

Safety valves with compact dimension and variable connections

  • Flanged and threaded valves with a flexible range of options to suit your application
  • Bellows version available
  • Set pressures up to 1.000 bar / 14,504 psig
HIGH PERFORMANCE

Safety valves for all industrial applications

  • The standard safety valve for chemical plants in Europe
  • Easy maintenance
  • High performance in relation to the nominal size
  • Nominal inlet diameters from DN 20 / ¾“ to DN 400 / 16“ with wide range of options
  • Good price-performance ratio
S&R

The S&R product group offers safety valves for heating technology. These comply with the standards DIN EN ISO 4126-1, DIN 4751 part 2 as well as TRD 721.

  • Standardized heating safety valve
  • Suitable for steam generators up to 1 bar overpressure
  • Suitable for water heating systems up to 120 °C
HIGH EFFICIENCY – SUPPLEMENTARY LOADING SYSTEM

Solutions for high plant efficiency

  • Tight to set pressure
  • Operating pressures up to 97% of set pressures
  • Low loss of medium during blow-off process
BEST AVAILABILITY – CHANGE-OVER VALVES
LESER Wechselventil Change over valve neu

Solutions for high plant availability

  • Change-over valve / safety valve combination
  • Flow-optimized designs for minimum inlet pressure drop
  • Delivery times synchronized with the safety valves
BEST AVAILABILITY – BURSTING DISC

Solutions for high plant availability

  • Part-tested Safety valves / Bursting disc combination

For pricing and delivery please complete the form below or send your RFQ to source@chaseint.co.uk.

2024 LESER GmbH & Co. KG