Interior, Department Of The- Bureau Of Reclamation- Pacific Nw Region Pn 6615
NEW REQUIREMENT WHSE STK PACK TRAPE FY25 - WHSE Stock Trapezoidal Packing
packing trapezoidal 114 in x 50 lft to be used in packing box size: 88 inch id, 90. 5 inchod, 5 split packing rings tall plus lantern ring. minimum salient features: the packing shall be braided filament graphite ribbon yarn with ptfe and graphite added for lubricity. the packing shall include linear elastomeric cores. the packing sectional weave shall act to inhibit rupture and extrusion. the packing shall be designed to handle high vibration, out of round, and impact events without degradation. the installed packing shall provide a labyrinth seal configuration: the specific cross sectional design of the packing shall be a sixsided configuration that appears to be a rectangle mated to a trapezoid. the longest cross sectional side shall interface with the gland largest, or outer gland diameter, while the opposite side from this gland diameter is shorter to minimize the area rubbing on the rotating shaft. the packing shall suffer no degradation when exposed to continuous interface surface speeds up to **** fee
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