VALVESTAR® is the LESER-developed program for sizing 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. More than 5000 users are already using either VALVESTAR® or VALEVSTAR®-Web.

If you have questions please contact:

Andreas Caldonazzi
E-Mail: valvestar@leser.com

SIZING

• Sizing of safety valves in accordance with the leading global standards and codes (i.e. API 520, ASME Sec. VIII Div. 1, ISO 4126-7, AD 2000-Merkblatt A2)
• Calculates two-phase flow in accordance with API 520 Appendix C and fire case according to API 521
• Calculates inlet pressure loss, back pressure, reaction forces, and noise level

DOCUMENTATION

• Various types of documents are selectable (i.e. project reports, single-page reports, and ISA data sheets) 
• Customizable report layouts (customer logo, address, etc.) 
• Exportable in different data formats (i.e. XLS, HTML, PDF, etc.)
• Integrated parts lists and sectional drawings of all LESER safety valves

DESIGN AND USE

• User-friendly wizard function leads you step by step through the sizing process
• Microsoft.Net architecture offers the most modern graphical user interface for simple operation and better performance

PRESETS

• User-specific profile set-up with pre-selectable units of measure, calculation methods, and more
• More than 15 selectable languages

The following options are available to you:

VALVESTAR®-Web
Web-based use of VALVESTAR® without need of administrative rights
Go to VALVESTAR®-Web

Download VALVESTAR®
Download VALVESTAR® 7.3.1 as a program (approx. 300 MB)

Updates
Update your version to VALVESTAR® 7.3.1 (approx. 17 MB, requires 7.3.0)
Older Patches:
Update your version to VALVESTAR® 7.3.0 (approx. 29 MB, requires 7.2.3)
 
Training
Get a detailed description of the program VALVESTAR® - PDF