API Standard Φ 19.05 mm G25 High Precision tungsten Carbide valve balls Property of our tungsten carbide valve balls Grade:K20(YG6) Density: 14.85-15....
YG8 Original Material G25 tolerance 1.125inch Tungsten carbide balls for valve and pumps Property of our tungsten carbide valve balls Grade:K20(YG6) ....
API V11-250 Tungsten Carbide valve ball and valve seat for sucker rod pumps Property of our tungsten carbide valve balls Grade:K20(YG6) Density: 14.85...
V11-106 Hard Alloy Valve Ball for Subsurface Sucker Rod Pumps and Fittings Property of our tungsten carbide valve balls Grade:K20(YG6) Density: 14.....
V11-225 Stellite Carbide Balls and Saddles for Subsurface Sucker Rod Pumps and Fittings Property of our tungsten carbide valve balls Grade:K20(YG6) .....