General speaking, the hardness of seat is a little bit softer than the ball and the seat will wear faster than the ball. It will match the sealing face when they are at work.
We provide both blank and finishing parts.
Suzhou Rigel Metal Co.,Ltd | Tungsten Carbide Products & Metallic Hard Metal Powders
A international supplier for tungsten carbide material and products. Headquartered in Suzhou with a factory in Sichuan, we are able to export our products all over the world as well as lower our production ...