
Instruction Manual
D100401X012
EZ Valve
November 2017
5
Note
If the valve has ENVIRO‐SEAL or HIGH‐SEAL live‐loaded packing installed, refer to instruction manuals ENVIRO‐SEAL Packing
System for Sliding Stem Valves,
, or HIGH‐SEAL Live Loaded Packing System,
, for packing
instructions. Figure 6 shows a typical HIGH‐SEAL packing system. Figures 7 and 8 show typical ENVIRO‐SEAL systems.
Figure 3. PTFE V‐Ring Packing Arrangements for Plain and Extension Bonnets
12A37837-A
B1429-5*
B1428‐5*
UPPER WIPER
(KEY 12)
UPPER WIPER
(KEY 12)
UPPER WIPER
(KEY 12)
PACKING
FOLLOWER
(KEY 13)
PACKING
FOLLOWER
(KEY 13)
PACKING FOLLOWER
(KEY 13)
WASHER
(KEY 10)
SPRING
(KEY 8)
PACKING BOX
RING (KEY 11)
PACKING BOX
RING (KEY 11)
PACKING BOX
RING (KEY 11)
FEMALE
ADAPTOR
FEMALE
ADAPTOR
FEMALE ADAPTOR
(KEY 32)
MALE
ADAPTOR
MALE
ADAPTOR
MALE ADAPTOR
(KEY 31)
PACKING RING
PACKING RING
(KEY 7)
LOWER WIPER
LOWER
WIPER
PACKING RING
SPACER (KEY 8)
LANTERN RING
(KEY 8)
LOWER WIPER
(KEY 30)
PART OF PACKING SET
(KEY 6) (SEE PARTS LIST)
ASSEMBLY 1
(POSITIVE
PRESSURES)
ASSEMBLY 2
(VACUUM)
ASSEMBLY 3
(POSITIVE
PRESSURES &
VACUUM)
ASSEMBLY 1
(POSITIVE
PRESSURES)
ASSEMBLY 1
(POSITIVE
PRESSURES)
ASSEMBLY 2
(VACUUM)
ASSEMBLY 2
(VACUUM)
ASSEMBLY 3
(POSITIVE
PRESSURES &
VACUUM)
ASSEMBLY 3
(POSITIVE
PRESSURES &
VACUUM)
FOR 316 SST
METAL PACKING BOX PARTS
FOR N04400/N05500
PACKING BOX PART MATERIALS
9.5 mm (3/8 INCH) STEM
12.7 mm (1/2 INCH) STEM
19.1 mm (3/4 INCH) STEM
SINGLE ARRANGEMENTS
DOUBLE ARRANGEMENTS