Min. Order Reference FOB Price
1 Piece US$50.00 / Piece
Product Description
Pin type ESP and PCP tubing drain valves for oilfield Product Description Tubing Drain is designed to provide a means of equalizing pressures between the tubing and annulus by simply over pressurizing the tubing string to a pre-set point. When the pre-set point is reached, a set of shear pins will ...