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Supply Partners

Leser High-Purity Relief Valves

Staitech are Supply Partners in Ireland for the Leser range of High Purity relief valves and offer a comprehensive range of safety valves for all service media applications.

Valves are available with clamped, screwed and flanged connections. All valve types meet current regulatory requirements and are CE compliant.

Product features:

  • Valves suitable for steam, liquid and gases
  • Hygienic and non-hygienic designs
  • Clamp, screwed and flanged connections
  • Set pressures as low as 100 mbar
  • CE, TUV and ASME compliant
  • EN 10204:2004 3.1 Full component traceability
  • FDA and USP Class VI compliant body seal
Leser main
481

Supply Partners

481 Series

The 481 series valves are intended for steam, liquid and gas applications up to 16 barg, or when fitted with a high pressure disc, 68 barg. Standard valves have and FDA and USP Class VI EPDM seat seal, clamp inlet and threaded outlet. Valves can also be supplied fitted with a threaded clamp outlet adaptor. The 481 is both ASME section VIII Division 1 and CE Category IV approved.

Size Range Inlet – 3/4″ & 1″ ASME BPE compliant clamp connections
Outlet – 1/2″ BSP, 3/4″ or 1″ ASME BPE compliant clamp connections
Material 316L stainless steel
Set Pressure Range 0.3 – 68 barg
Options Lifting device
Literature
Data Sheet
483

Supply Partners

483 Series

The 483 series valves are intended for liquid and gas applications up to 16 barg. When fitted with a Perlast seat seal, valves are also suitable for steam duty. All valves are fitted with EPDM bellows which prevents media from entering the spring chamber during discharge. Available with two orifice sizes, the type 483 is both ASME Section VIII Division 1 and CE Category VI approved.

Size Range 1″, 1-1/2″ & 2″ ASME BPE compliant clamp connections
Material 316L stainless steel
Set Pressure Range 0.3 – 68 barg
Options Lifting device
Literature
Data Sheet
488

Supply Partners

488 Series

The 488 series valves are intended for liquid and gas applications up to 16 barg where high capacity valve design is required. When fitted with a Perlast seat seal, valves are also suitable for steam duty. All valves are fitted with EPDM bellows which prevents media from entering the spring chamber during discharge. Three orifice sizes and three connection options are available for the 488 valve based on capacity requirement. ASME Section VIII Division 1 and CE Category VI approved.

Size Range 1-1/2″ – 4-1/2″ ASME BPE compliant clamp connections
Material 316L stainless steel
Set Pressure Range 0.1 – 16 barg
Options Lifting device
Lift indicator
Literature
Data Sheet