Min. Order Reference FOB Price
1 Piece US$200.00-30,000.00 / Piece
Product Description
Annular orifice Annular orifice plate was proposed by U.S. Howell in the 1930s, and was tested by British NEL in the 1960s. Its structure is a circular plate coaxial with the pipeline. The circular plate is supported by a bracket, and the upstream and downstream of the circular plate have pressure ...