Fonti industriali verificate
- Scheda tecnica per valvole industriali: API 603 applies to corrosion-resistant steel gate valves with bolted bonnets.
- Scheda tecnica per valvole industriali: Corrosion-resistant material selection must be confirmed against media composition, concentration, temperature and velocity.
- Scheda tecnica per valvole industriali: An identical material grade does not make body castings, trim, packing and fasteners automatically interchangeable.