Data Sheet

Sliding-Stem Live-Loaded Packing
Product Bulletin
59.1:061
July 2009
3
TYPICAL ENVIRO-SEAL PACKING SYSTEM
WITH DUPLEX PACKING
W58033 / IL
SPRINGS
ANTI
EXTRUSION
RING
LANTERN
RING
PACKING
BOX
STUD
PACKING
RING
VALVE
BONNET
TYPICAL ENVIRO-SEAL PACKING SYSTEM
WITH GRAPHITE ULF PACKING
TYPICAL ENVIRO-SEAL PACKING SYSTEM
WITH PTFE PACKING
TYPICAL HIGH-SEAL PACKING SYSTEM
WITH GRAPHITE ULF PACKING
A7018 / IL
FOLLOWER
PACKING
PACKING
BOX
STUD
SPRINGS
W8532-1
W8533-1
FOLLOWER
PACKING
BOX
STUD
PACKING
BOX
STUD
FOLLOWER
PACKING
PACKING
SPRINGS
SPRING
Figure 2. Fisher ENVIRO-SEAL and HIGH-SEAL Packing Systems