High Temperature/High Pressure The Johnson-Fagg High Temperature/High Pressure (HTP) Stuffing Box is a dual packed stuffing box with special high temperature upper and lower packings that are rated at 450º fahrenheit and 3,000 psi. Each set of packing has a hammer nut that is used to adjust the packing. The upper packing is the primary seal with the lower packing tightened to seal the pressure when it is necessary to replace the upper packing. |
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