Min. Order Reference FOB Price
1 Piece US$3.00-5.00 / Piece
Product Description
hammer oil rotary union of rotary drilling hose Rotary Unions and Rotary Joints Rotating Unions and Rotary Joints (also known as rotary swivels, rotary couplings) are precision mechanical devices used to transfer fluid from a stationary source, such as a supply pipe, into a rotating piece of ...