- Size: 3", 4", 5", 6" and other sizes available
- Material: ASTM A105 steel,
- Surface: Ball Blast or Galvanizing
Standards:
- ASME B1.20.1: NPT pipe threads
- ASME B16.11: Forged Fittings, Socket-Welding and Threaded
- ASTM A105: Standard Specification for Carbon Steel Forgings for Piping Applications (flanges, fittings, valves, and similar parts, for use in pressure systems at ambient and higher-temperature service conditions). Materials shall be subjected to heat treatment (annealing, normalizing, tempering, or quenching)
The picture below shows we use a NPT thread gauge to check product quality.
We are professional in manufcaturing thread according to NPT requirements (ASME B1.20.1):
We also offer casted tank flanges according to following standards:
ASTM A126 : Gray Iron Castings for Valves, Flanges, and Pipe Fittings
ASTM A48: Specification for Gray Iron Castings
ASME B16.1: Gray Iron Pipe Flanges and Flanged Fittings