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expanded graphite packing sealing ring
9000-EVSP Simplified®

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expanded graphite packing sealing ring expanded graphite packing sealing ring - 9000-EVSP Simplified®
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Characteristics

  • Material:

    expanded graphite packing

Description

Combines Style 98 carbon packing and GRAPH-LOCK® cup and cone die-formed rings to form a nearly chemically inert set.
The 9000-EVSP® Simplified set expands radially when the gland is tightened, creating a positive valve stem OD seal as well as stuffing box ID seal.

FEATURES AND BENEFITS
Patented “cup and cone” design permits selective component compression and controlled radial flow for effective sealing of I.D. and O.D.
End rings act as wiper rings to restrict graphite particle transfer, prevent extrusion and provide extra resiliency
Patented cup and cone design can provide sealability in valves as shallow as three-ring cross sections
For deep stuffing boxes requiring more than a 7-ring set, machined / split carbon bushings can shorten the box depth
Grade 250 (Style #4525) for general services
Grade 580 (Style #4540) for nuclear services
Choice of end rings: Style 98 (general service) or Styles G-700 or 1398 (nuclear service)