Las válvulas de Retención están diseñadas y fabricadas de acuerdo con las normas internacionales:
- Normas de diseño y fabricación
- Ensayo e inspección
- Dimensión de Bridas
- Extremos soldados o roscados
- Distancia entre caras
- Swing Bolted Bonnet
- Swing Pressure Seal
- Lift Bolted Bonnet
- Wafer
- Wafer Double Disc
BS 1868
Specification for steel check valves (flanged and butt-welding ends) for the petroleum, petrochemical and allied industries.
ISO 15761
Steel Gate, Globe and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries (Equivalente a API 602)
API 6D
Pipeline Valves. Pressure Test Specification.
ASME B 16.34
Valves-Flanged, Threaded, and Welding End. B5-5352 (sustituida por ISO 15761)
API 602
Steel Gate, Globe and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries (Equivalente a ISO 15761)
API-594:
Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
API 6D
Pipeline Valves. Pressure Test Specification.
ISO 15848
Industrial Valves – Measurement, test and qualification procedures for fugitive emissions.
API 598
Valve Inspection and Testing.
ASME B 16.5
Pipe Flanges and Flanged Fittings.
MSS SP 44
Steel pipeline flanges
ASME B16.47
large diameter steel flanges: nps 26 through nps 60
ASME B16.25
Buttwelding ends
ASME B1.20.1
Pipe threads general purpose
ASMEB16.11
Forged fittings, socket-welding and threaded
ASME B 16.10
Face-to-Face and End-to-End Dimensions of Valves.
API-594
Check Valves: Wafer, Wafer-Lug, and Double Flanged Type
API 6D
Pipeline Valves. Pressure Test Specification
