Fisher EAS easy-e Instruction Manual page 9

Instruction Manual
D100397X012
Figure 5. Detail of PTFE/Composition Packing
Arrangements for Plain and Extension Bonnets
9.5 mm
12.7 mm
(3/8 INCH)
(1/2 INCH)
STEM
STEM
12A8188‐A
12A7815‐A
12A8173‐A
A2619‐2
TYPICAL (DOUBLE) ARRANGEMENTS
Figure 6. Double Graphite Ribbon/Filament Arrange­
ments for use in ENVIRO‐SEAL Bellows Seal Bonnets
1
1
1
1
18A0909-D
12B4181-A
9.5 mm 12.7 mm
(3/8 INCH) (1/2 INCH)
STEM STEM FOR
NPS 2 VALVES
NOTE:
1
0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS;
USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.
A5870‐1
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.
UPPER WIPER
(KEY 12)
PACKING
FOLLOWER (KEY 13)
PACKING RING
(KEY 7)
LANTERN RING
(KEY 8)
PACKING BOX
RING (KEY 11)
19.1, 25.4, OR
31.8 mm
(3/4, 1, OR
1‐1/4 INCH)
STEM
BUSHING
(KEY 13)
GRAPHITE
FILAMENT
PACKING RING
(KEY 7)
GRAPHITE
1
RIBBON
PACKING RING
(KEY 7)
SPACER
1
(KEY 8)
12B6102-A
12.7 mm
(1/2 INCH)
STEM FOR
NPS 3 AND 4 VALVES
Figure 7. Detail of Graphite Ribbon/Filament Packing
for Plain and Extension Bonnets
1
1
14A3411-A
13A9775-B
12.7 mm
9.5 mm
(1/2 INCH)
(3/8 INCH)
STEM
STEM
SINGLE ARRANGEMENTS
1
1
14A2153-B
14A1849-B
9.5 mm 12.7 mm
(3/8 INCH) (1/2 INCH)
STEM STEM
DOUBLE ARRANGEMENTS
NOTE:
1
0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS;
USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.
A5864‐1
ES Valve
July 2017
PACKING
FOLLOWER
(KEY 13)
GRAPHITE
RIBBON
PACKING RING
(KEY 7)
1
GRAPHITE
FILAMENT
PACKING RING
(KEY 7)
LANTERN
RING (KEY 8)
PACKING BOX
RING (KEY 11)
13A9776-B
19.1, 25.4, & 31.8 mm
(3/4, 1 & 1‐1/4 INCH)
STEM
PACKING
FOLLOWER
(KEY 13)
GRAPHITE
RIBBON
PACKING RING
(KEY 7)
1
GRAPHITE
FILAMENT
PACKING RING
(KEY 7)
1
LANTERN
RING (KEY 8)
PACKING BOX
RING (KEY 11)
14A1780-B
19.1, 25.4, & 31.8 mm
(3/4, 1 & 1‐1/4 INCH)
STEM
9