use with other gaskets shall have a flange surface finish within the optimal range forthe specified gasket. Finishes shall be judged by visual comparison with surfacefinish roughness standards conforming to ASME B46.1. Flange finishes shall beprotected from damage during fabrication, heat treatment, shipping, storage, andinstallation.6.7 Wear Rings and Running ClearancesParagraph 6.7.4, AdditionWhen non-metallic wear ring materials are specified, the pump vendor shall state inhis proposal the minimum diametral clearances when the values are less than APIStandard 610 Table 5.6.8 Mechanical Shaft SealsParagraph 6.8.4, NewA dial type thermometer shall be provided when a seal flush cooler is provided.Vent and drain connections from the mechanical seals shall be piped to a safe area.Pumps in water service shall be designed so that the water temperature at the sealface does not exceed 180°F (82°C).A non-sparking fixed throttle bushing shall be provided for Category 1 Arrangement1 seals.A non-sparking fixed throttle bushing shall be provided for Category 2 Arrangement1 and Arrangement 2 seals (when seal chamber dimensions permit).6.10 Bearings and Bearing HousingsParagraph 6.10.2.6, AdditionPumps with bearing housings lubricated by open or closed loop, pure oil mist shalluse Inpro Type OM-32 bearing isolators or equal, as a minimum.Paragraph 6.10.2.11, ClarificationPumps with anti-friction bearings shall have a flat surface at least 1” (25 mm) indiameter for the location of magnetic based vibration measuring equipment.