EDR and ETR Valves
Instruction Manual
Form 5050
August 2006
10
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 mm
(3/4 INCH)
STEM
TYPICAL (DOUBLE) ARRANGEMENTS
12A8188-A
12A7815-A
12A8173-A
A2619-3 / IL
PACKING FOLLOWER
(KEY 13)
LANTERN RING (KEY 8)
PACKING BOX 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 / IL
1
GRAPHITE RIBBON PACKING RING
(KEY 7)
GRAPHITE FILAMENT PACKING RING
(KEY 7)
1
1
9.5 mm
(3/8 INCH)
STEM
19.1 mm
(3/4 INCH)
STEM
14A3411-A
13A9775-B
13A9776-B
PACKING FOLLOWER
(KEY 13)
LANTERN RING
(KEY 8)
PACKING BOX RING
(KEY 11)
1
12.7 mm
(1/2 INCH)
STEM
DOUBLE ARRANGEMENTS
GRAPHITE RIBBON PACKING RING
(KEY 7)
GRAPHITE FILAMENT PACKING RING
(KEY 7)
1
1
9.5 mm
(3/8 INCH)
STEM
19.1 mm
(3/4 INCH)
STEM
14A2153-B
14A1849-B
14A1780-B
1
DETAIL OF PTFE/COMPOSITION PACKING
DETAIL OF GRAPHITE RIBBON/ FILAMENT PACKING
Figure 6. Packing Arrangements