V11 tungsten carbide Valve ball and seat Technic parameters The valve ball and seat will be produced and checked according to API Specification 11 AX....
V11 tungsten carbide Valve ball and seat Technic parameters The valve ball and seat will be produced and checked according to API Specification 11 AX....
YG6 YG8 Tungsten Carbide balls HRA90 10mm diameter We Can Make The Tungsten Carbide Balls 4 To 50mm Diameter For Extrusion Hole Punching Hole HRA90 .....