Nuestras válvulas macho doble expansión están diseñadas y fabricadas de acuerdo a las normas internacionales:
- Normas de diseño y fabricación
- Ensayo e inspección
- Dimensión de bridas
- Extremos soldados
- Distancia entre caras
- By-pass & dreanaje
- Full Bore
- Reduced Bore
API 599
Metal Plug Valves - Flanged and Welding Ends
API 6D
Pipeline Valves. Pressure Test Specification
ASME B 16.34
Valves-Flanged, Threaded, and Welding End
API 600
Steel Gate Valves-Flanged and Butt-welding Ends, Bolted Bonnets
ASME B 31.3
Process Piping
ASME B 31.4
Pipeline transportation systems for Hydrocarbons and other liquids
API RP 6FA
Specification for Fire Test for Valves
API 6D
Pipeline Valves. Pressure Test Specification.
API 598
Valve Inspection and Testing.
ISO 15848
Industrial Valves – Measurement, test and qualification procedures for fugitive emissions.
ASME B 16.5
Pipe Flanges and Flanged Fittings
ASME B16.47
large diameter steel flanges: nps 26 through nps 60
MSS SP 44
Steel pipeline flanges
ASME B16.25
Buttwelding ends.
ASME B 16.10
Face-to-Face and End-to-End Dimensions of Valves.
API 6D
Pipeline Valves. Pressure Test Specification
API 599
Metal Plug Valves - Flanged and Welding Ends
STANDARD ARFLU
MSS SP 45
By - Pass & Drain Connections





