Quality
Quality management
Our quality management system covers every process, in compliance with ISO 9001.
Válvulas LVM S.A.C.I. maintains and improves its quality management system by preventing defects from arising. The company was assessed and certified in conformity with all the requirements of ISO 9001, including design, manufacture, inspection and customer service.
The certified scope covers the manufacture and supply of forged steel gate, globe, check and needle valves.
Our quality programmes find and solve potential problems. Testing of 100 % of production is part of product development, and we complement it with in-process inspection to reinforce control and manufacturing reliability.
9001
Certified by Bureau Veritas Certification
Under the accreditation of the Argentine Accreditation Body (OAA).
Certificate No. AR-O240969 · Valid until 14 September 2027.
Control tests
Four tests, in conformity with API 598
High-pressure tests are made hydrostatically with kerosene and low-pressure tests under water with compressed air. Minimum duration of each test is 60 seconds and all are made at ambient temperature. Test pressures for each class and material are in the technical catalogue.
- Shell test
- Body, gasket and packing. Hydrostatic with kerosene.
- High-pressure closure test
- Hydrostatic with kerosene. Made on request for gate valves; mandatory for class 2500.
- Low-pressure closure test
- Under water with compressed air.
- Low-pressure backseat test
- Under water with compressed air, on gate and globe valves.
Standards
The standards we work to
For the design, manufacture and testing of its valves, LVM consults the standards and publications of the following associations.
| Institution | Scope |
|---|---|
| ISO | International Organization for Standardization |
| IRAM | Instituto Argentino de Racionalización de Materiales |
| API | American Petroleum Institute |
| ASME | American Society of Mechanical Engineers — Boiler and Pressure Vessel Code |
| ASTM | American Society for Testing Materials |
| BSI | British Standards Institution |
| ANSI | American National Standards Institute |
| MSS | Manufacturers Standardization Society of the Valve and Fittings Industry |
Threaded and socket weld end dimensions according to ANSI B16.11 and B1.20.1. Flanged ends according to ANSI B16.5, attached to the body by full penetration butt welding, with welder and welding procedure qualified in accordance with ASME BPVC section IX.
Engineering department
Need additional certificates or testing?
When radiography or other non-destructive examination is required, it should be stated on the inquiry so that delivery time and additional costs can be estimated.