Leser GmbH & Co. KG

12 products found

Leser GmbH & Co. KG Products

  • High Performance Valves

  • Model Type 441, 442 DIN - High Performance Safety Valves

    Model Type 441, 442 DIN - High Performance Safety Valves

    Safety valves from the High Performance product group offer especially high capacity for their size.  With a large quantity of nominal diameters (DN), pressure ranges and product options, they have proven themselves as a universal safety valve for many applications.

  • Model Type 441, 442 ANSI - High Performance Safety Valves

    Model Type 441, 442 ANSI - High Performance Safety Valves

    Safety valves from the High Performance product group offer especially high capacity for their size.  With a large quantity of nominal diameters (DN), pressure ranges and product options, they have proven themselves as a universal safety valve for many applications.

  • Model Type 441, 442 XXL - High Performance Safety Valves

    Model Type 441, 442 XXL - High Performance Safety Valves

    Safety valves from the High Performance product group offer especially high capacity for their size.  With a large quantity of nominal diameters (DN), pressure ranges and product options, they have proven themselves as a universal safety valve for many applications.

  • API Valves

  • Model API Type 526 - Safety Valves

    Model API Type 526 - Safety Valves

    Safety valves from the API product group meet all the requirements of API 526 such as standardized capacity, nominal diameter, and center to face dimensions which offers 100% compatibility.  Because of their robust construction, they are especially suitable for being constructed from special materials such as Duplex, Monel, and Hastelloy.

  • Compact Performance Threaded and Flanged Safety Valves

  • Model Type 437 - Threaded and Flanged Safety Valves

    Model Type 437 - Threaded and Flanged Safety Valves

    The product group Compact Performance includes threaded and flanged safety valves with compact dimensions for economical protection of small and midsized capacites. Due to its many orifice diameters, seals, and connections this product group offers a very wide area of application.

  • Model Type 438 - Threaded and Flanged Safety Valves

    Model Type 438 - Threaded and Flanged Safety Valves

    The product group Compact Performance includes threaded and flanged safety valves with compact dimensions for economical protection of small and midsized capacites. Due to its many orifice diameters, seals, and connections this product group offers a very wide area of application.

  • High Efficiency

  • Model 811 - Pilot Operated Safety Valves

    Model 811 - Pilot Operated Safety Valves

    Pilot Operated Safety Valves from the High Efficiency product group are especially suitable for applications with high pressure and offer optimal tightness right up to set pressure.  They meet all the requirements of API 526 and therewith offer 100% compatibility.  LESER offers pilot operated safety valves with rapid or proportional opening characteristics. The supplementary loading system for the High Efficiency product group uses external...

  • Model 821 - Pilot Operated Safety Valves

    Model 821 - Pilot Operated Safety Valves

    Pilot Operated Safety Valves from the High Efficiency product group are especially suitable for applications with high pressure and offer optimal tightness right up to set pressure.  They meet all the requirements of API 526 and therewith offer 100% compatibility.  LESER offers pilot operated safety valves with rapid or proportional opening characteristics. The supplementary loading system for the High Efficiency product group uses external...

  • Modulate Action

  • Model 431 / 433 - Flanged Safety Valves

    Model 431 / 433 - Flanged Safety Valves

    Safety valves from the Modulate Action product group feature a standard or proportional opening characteristic.  They minimize medium loss when opening and are used for protection from pressure peaks, thermal relief, and liquids.

  • Model 431 / 433 PN 160 - Flanged Safety Valves

    Model 431 / 433 PN 160 - Flanged Safety Valves

    Safety valves from the Modulate Action product group feature a standard or proportional opening characteristic.  They minimize medium loss when opening and are used for protection from pressure peaks, thermal relief, and liquids.

  • Model 447 - PTFE-Lined Safety Valves

    Model 447 - PTFE-Lined Safety Valves

    PTFE-lined safety valves from the Critical Service product group are utilized for highly corrosive media such as chlorine, acids, and lyes. With their highly resistant lining they offer a safe solution for corrosive media.

  • VALVESTAR - Safety Valve

    VALVESTAR - Safety Valve

    VALVESTAR is the LESER-developed program for sizing of safety valves. It takes into account all leading global standards and codes. In addition to calculation and sizing the program also offers variable, individually-arranged reports for technical documentation and archiving. VALVESTAR is unique in nature, scope, and quality. More than 5000 users are already using either VALVESTAR® or VALEVSTAR®-Web.