LESER Safety Valves are developed and manufactured for the international market in Germany. With a capacity of over 130,000 valves a year, LESER is the largest manufacturer of safety valves in Europe and a leader in much of the world.
LESER provides a full line of pressure relief valves, as shown below, which is supported by a broad range of authorized repair centers and assemblers worldwide.
Extensive stock of valves is maintained at the LESER US facility in Charlotte, North Carolina to guarantee short delivery times. A full range of spare parts, including springs, discs, nozzles, bellows kits, lifting devices, gaskets etc. are also kept in inventory to handle quick shipment requirements.
LESER is able to supply valves into applications requiring the UV stamp, CE mark, Canadian CRN Certification and other world-wide approvals from stock. LESER US maintains a fully operational assembling and setting facility which is certified by the ASME, National Board.
Safety valves from the API 526 Series product group meet all the requirements of API 526 such as standardized capacity and nominal diameter through the entire D to T orifice product range as well as standard center to face dimensions which offer 100% compatibility. Product features include:
Threaded and flanged safety valves with compact dimensions for economical protection of small and midsized capacities. Many orifice diameters, seals and connections offer a very wide area of application. Product features include:
Flanged safety valves with especially high capacity for their size. With a large quantity of valve sizes, pressure ranges and product options, they have proven themselves as a universal safety valve for many applications. Product features include:
PTFE-lined flanged safety valves for corrosive media such as chlorine, acids, and lyes. With their highly resistant lining they offer a safe solution for corrosive media. Product features include:
Pop Action and Modulate Action Pilot-operated safety valves for optimal tightness right up to set pressure. Product features include:
Change-over valves are used for increased plant availability in cases where a process or application cannot or should not be switched off. Product features include:
The Certificates area gives the customer the opportunity to download and save the ordered certificates for individual safety valves or for an entire order. The only thing that is needed is either the serial and article number of the safety valve, or the customer and LESER job number.
LESER confirms that it is possible to install every LESER spring loaded safety valve in a non-upright position if some simple criteria are met.
The following LESER design features enable horizontal installation:
LESER Valves are shipped horizontally on a pallet, in card board boxes or crates. The design features described above ensure that horizontal shipping is unproblematic. Valves shipped horizontally require less space which in turn leads to less freight charges.
LESER offers the VALVESTAR Safety Relief Sizing Program for use on its own Website (no download necessary). New users: click on the "New User Registration" link to create your own username and password, and begin using the software.