Emerson CROSBY HE ISOFLEX Series Installation, Maintenance And Adjustment Instructions page 2

CROSBY SERIES HE ISOFLEX
INSTALLATION, MAINTENANCE AND ADJUSTMENT INSTRUCTIONS
PARTS LIST
Part ref. no. Part name
1A Body
1B Nozzle
3 Nozzle ring
4 Nozzle ring set screw
5 Disc insert
6 Disc holder
7 Disc holder retaining nut
9 Eductor
10 Guide ring
11 Guide ring set screw
12 Spindle assembly
13 Piston
14 Piston retaining ring
15 Spindle nut
17 Bonnet
18 Bonnet studs
19 Bonnet stud nuts
20 Spring
21 Bottom spring washer
22 Top spring washer
24 Bearing adapter
25 Thrust bearing
26 Adjusting bolt
27 Adjusting bolt nut
28 Cap
30 Lever
31 Lever pin
33 Forked lever
34 Forked lever pin
NOTES
1. Consumable spare parts: valve parts which
should be replaced as part of any disassembly.
(Disc inserts must be replaced if seats are
damaged severely).
2. Repair spare parts: valve parts exposed to wear
and/or corrosion during normal operation.
They are in fluid flow paths and may require
replacement as part of any repair.
3. Insurance spare parts: valve parts exposed to
process or environmental wear and/or corrosion
and may require replacement as part of a major
repair.
Emerson recommends that sufficient inventory
of spare parts be maintained to support process
requirements. Always be sure to use genuine
Emerson parts to ensure continued product
performance and warranty.
NOTES
A complete set of spare cotter pins (not listed above)
is also recommended for proper maintenance of the
valve.
SELF-ACTUATED SAFETY VALVES
®
Spare parts designation (See notes 1, 2, 3)
2
2
1
2
2
2
2
3
2
3
3
3
28
15
33
30
31
25
13
18
19
14
9
10
11
4
3
5
FIGURE 1 - Series HE ISOFLEX safety valve
34
26
27
24
22
20
12
17
21
7
6
1A
1B
2