| Tuff-Temper® Stainless | |
| Tuff-Temper® Stainless seats are made of stainless steel and heat treated by a proprietary process developed by Harbison-Fischer. The seat wearing surface has a hardness of HRC 58-62 to withstand high impact and pressure erosion. The body of the seat is ductile and shock resistant. Tuff-Temper® seats with standard stainless balls will not chip or break and are recommended for severe abrasion and mild corrosive service. |  |
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