Data Sheet

EW Valve
D100023X012
Product Bulletin
51.1:EW
August 2012
26
Figure 18. Typical ENVIRO-SEAL and HIGH-SEAL Packing Systems
TYPICAL ENVIRO-SEAL PACKING
SYSTEM WITH DUPLEX PACKING
TYPICAL ENVIRO-SEAL PACKING
SYSTEM WITH PTFE PACKING
W5803-3
SPRINGS
ANTI-
EXTRUSION
RING
LANTERN
RING
PACKING
BOX
STUDS
PACKING
RING
VALVE
BONNET
W7018
W8533-1
TYPICAL HIGH-SEAL PACKING SYSTEM
WITH GRAPHITE ULF PACKING
PACKING
BOX
STUD
FOLLOWER
PACKING
SPRING
TYPICAL ENVIRO-SEAL PACKING SYSTEM
WITH GRAPHITE ULF PACKING
W8532-1
FOLLOWER
PACKING
BOX
STUD
PACKING
SPRINGS