Emerson Fisher ENVIRO-SEAL Instruction Manual page 10

ENVIRO-SEAL System - Rotary Valves
February 2019
Figure 6. Belleville Spring Stacking Order
GRAPHITE
A41, ECCENTRIC DISK, ECCENTRIC PLUG, AND VEE‐
BALL VALVES: SIZE 12.7 & 15.9 (1/2 AND 5/8) SHAFT
A11 and A31A: SIZE 14.3 (9/16) SHAFT
PTFE
A41, ECCENTRIC DISK, ECCENTRIC PLUG,
AND VEE‐BALL VALVES:
SIZE 12.7 AND 15.9 (1/2 AND 5/8) SHAFT
A11 and A31A: SIZE 14.3 (9/16) SHAFT
B2410‐2
10
O-RING
BELLEVILLE
SPRINGS (10)
PACKING
FOLLOWER
O-RING
BELLEVILLE
SPRINGS (9)
PACKING
FOLLOWER
PTFE
A41, ECCENTRIC DISK, ECCENTRIC PLUG, AND
VEE‐BALL VALVES:
SIZE 19.1 (3/4), 22.2 (7/8), AND 25.4 (1) SHAFT
A11: SIZE 14.3 AND 19.1 (9/16 AND 3/4) SHAFT
A31A: SIZE 17.5 AND 23.8 (11/16 AND 15/16) SHAFT
GRAPHITE
A41, ECCENTRIC DISK, ECCENTRIC PLUG, AND VEE‐
BALL VALVES: SIZE 19.1 (3/4), 38.1 (1‐1/2), 44.5 (1‐3/4), 53.8
(2‐1/8), 63.5 (2‐1/2), 76.2 (3) AND 88.9 (3‐1/2) SHAFT
A11: SIZE 19.2 - 88.9 (3/4 - 3‐1/2) SHAFT
A31A: SIZE 17.5 - 31.8 (11/16 - 1‐1/4) SHAFT
O-RING
BELLEVILLE
SPRINGS (7)
PACKING
FOLLOWER
PTFE
A41, ECCENTRIC DISK, ECCENTRIC PLUG, AND
VEE‐BALL VALVES: SIZE 19.1 (3/4), 38.1 (1‐1/2), 44.5
(1‐3/4), 53.8 (2‐1/8), 63.5 (2‐1/2), 76.2 (3) AND 88.9 (3‐1/2)
SHAFT
A11: SIZE 28.5 - 88.9 (1-1/8 - 3‐1/2) SHAFT
A31A: SIZE 28.5 - 63.5 (11/16 - 2‐1/2) SHAFT
Instruction Manual
D101643X012
O-RING
BELLEVILLE
SPRINGS (6)
PACKING
FOLLOWER
O-RING
BELLEVILLE
SPRINGS (5)
PACKING
FOLLOWER
mm (INCH)