♦ STANDARD and CERTIFICATION:
DESIGN AND MANUFACTURING:
API 600: Steel Gate Valves-Flanged and Butt-welding Ends, Bolted Bonnets
API 602: Steel Gate, Globe and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries (Equivalent to ISO 15761)
ISO 15761: Steel Gate, Globe and Check Valves for Sizes DN 100 and Smaller for the Petroleum and Natural Gas Industries (Equivalent to API 602)
ASME B 16.34: Valves-Flanged, Threaded, and Welding End.
BS-1414, Obsolete, replaced by UNE EN ISO 10434
UNE EN ISO 10434 Bolted bonnet steel gate valves for petroleum, petrochemical, and allied industries
API 6D: Pipeline Valves. Pressure Test Specification…
INSPECTION AND TEST:
API 600: Steel Gate Valves-Flanged and Butt-welding Ends, Bolted Bonnets
API 598: Valve Inspection and Testing.
API 6D: Pipeline Valves. Pressure Test Specification.
ISO 15848: Industrial Valves – Measurement, test, and qualification procedures for fugitive emissions.
FLANGE DIMENSION:
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
WELDED OR THREADED ENDS:
ASME B16.25: Buttwelding ends
ASMEB16.11: Forged fittings, socket-welding, and threaded
ASME B1.20.1: Pipe threads general purpose
FACE TO FACE AND END TO END:
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
API 6D: Pipeline Valves. Pressure Test Specification.
* Other standards/ materials upon request
♦ MATERIALS:
Carbon steel; low-temperature carbon steel; alloy and stainless steel; duplex steel; super duplex steel; nickel alloys; titanium alloys, tungsten carbide coating; bronze … DI, WCB, WCC, WC1, WC6, WC9, C5, C12, LCB, LCC, CF8, CF8M, CF3, CF3M, CF8C, Bronze, 4A, 6A, AISI-904L, CK3MCUN, Duplex, Super duplex, exotic materials…
♦ CONSTRUCTION:
• O.S & Y. Rising Stem
• Flexible Solid Wedge, split wedge, others upon request
• Threaded, Welded, or integral Seat Ring
• Metal Seats or Inserted soft seats
• Bolted Bonnet
• Extended Bonnet
• 10″ and above two pieces yoke
• Other requirements upon request
♦ OPERATION: Handwheels; electric actuator; hydraulic/ pneumatic actuator …
♦ ORIGINAL: Italy; Germany; Spain; EU; US; UK; Korea; Thailand …
* Other requirements upon request
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