Data Sheet

ET Valve
D100022X012
Product Bulletin
51.1:ET
December 2012
14
Figure 10. ENVIRO-SEAL and HIGH-SEAL Packing Systems
W7018
W8532-1
FOLLOWER
PACKING
BOX
STUD
PACKING
SPRINGS
W8533-1
PACKING
BOX
STUD
FOLLOWER
PACKING
SPRING
W5803-3
SPRINGS
ANTI-
EXTRUSION
RING
LANTERN
RING
PACKING
BOX
STUDS
PACKING
RING
VALVE
BONNET
TYPICAL ENVIRO-SEAL PACKING SYSTEM
WITH PTFE PACKING
TYPICAL ENVIRO-SEAL PACKING SYSTEM
WITH GRAPHITE ULF PACKING
TYPICAL HIGH-SEAL PACKING SYSTEM
WITH GRAPHITE ULF PACKING
TYPICAL ENVIRO-SEAL PACKING SYS
TEM WITH DUPLEX PACKING