Instruction Manual
D100397X012
ES Valve
July 2017
9
Figure 5. Detail of PTFE/Composition Packing
Arrangements for Plain and Extension Bonnets
UPPER WIPER
(KEY 12)
PACKING
FOLLOWER (KEY 13)
LANTERN RING
(KEY 8)
PACKING BOX
RING (KEY 11)
PACKING RING
(KEY 7)
9.5 mm
(3/8 INCH)
STEM
12.7 mm
(1/2 INCH)
STEM
19.1, 25.4, OR
31.8 mm
(3/4, 1, OR
1‐1/4 INCH)
STEM
TYPICAL (DOUBLE) ARRANGEMENTS
12A8188‐A
12A7815‐A
12A8173‐A
A2619‐2
Figure 6. Double Graphite Ribbon/Filament Arrange
ments for use in ENVIRO‐SEAL Bellows Seal Bonnets
BUSHING
(KEY 13)
SPACER
(KEY 8)
1
GRAPHITE
FILAMENT
PACKING RING
(KEY 7)
GRAPHITE
RIBBON
PACKING RING
(KEY 7)
12B6102-A
18A0909-D
12B4181-A
12.7 mm
(1/2 INCH)
STEM FOR
NPS 2 VALVES
9.5 mm
(3/8 INCH)
STEM
12.7 mm
(1/2 INCH)
STEM FOR
NPS 3 AND 4 VALVES
1
1
1
1
1
NOTE:
0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS;
USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.
A5870‐1
1
Figure 7. Detail of Graphite Ribbon/Filament Packing
for Plain and Extension Bonnets
GRAPHITE
FILAMENT
PACKING RIN
(KEY 7)
GRAPHITE
RIBBON
PACKING RIN
(KEY 7)
GRAPHITE
FILAMENT
PACKING RIN
(KEY 7)
PACKING
FOLLOWER
(KEY 13)
LANTERN
RING (KEY 8)
PACKING BO
RING (KEY 11)
1
12.7 mm
(1/2 INCH)
STEM
SINGLE ARRANGEMENTS
NOTE:
0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS;
USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.
A5864‐1
1
GRAPHITE
RIBBON
PACKING RIN
(KEY 7)
1
1
9.5 mm
(3/8 INCH)
STEM
19.1, 25.4, & 31.8 mm
(3/4, 1 & 1‐1/4 INCH)
STEM
14A3411-A
13A9775-B
13A9776-B
PACKING
FOLLOWER
(KEY 13)
LANTERN
RING (KEY 8)
PACKING BO
RING (KEY 11)
1
12.7 mm
(1/2 INCH)
STEM
DOUBLE ARRANGEMENTS
1
1
9.5 mm
(3/8 INCH)
STEM
19.1, 25.4, & 31.8 mm
(3/4, 1 & 1‐1/4 INCH)
STEM
14A2153-B
14A1849-B
14A1780-B
1
WARNING
To avoid personal injury due to leaking fluid, avoid damaging gasket sealing surfaces. The seating surface of the valve plug
(key 2) is critical for proper shutoff. Protect these surfaces accordingly.
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