2
40
24
25
34
19
20
18
19
21
22
15
5
34
34
8
27
1
2
41
16
17
28
29
9
6C
6B
6A
5
8
8
9
13
9
12
11
10
12
11
10
5
41
26
16
17
28
9
40
24
25
34
19
20
18
19
21
22
15
34
3
4
8
27
1
2
Crosby
STylE JOS-E, JBS-E, JlT*-JBS-E, JlT*-JOS-E ValVES
InstallatIon and MaIntenance InstructIons
noTe
This vent must
remain open
on JBS-E and
JlT-JBS-E
construction
FIguRE 1
style Jos-e
style Jbs-e
soft seat
style JlT
D-N orifice construction
Set screw
(P-T orifice
have
lockscrews)
ParTs lisT
no.
Part name
notes
1
Body
2
Nozzle
3
Nozzle ring
3
4
Set screw
3, except P-T orifice JlT
4a
Set screw
3, (M-T orifice)
4B
Set screw rod
3, (M-T orifice)
4C
Set screw pin
3, (M-T orifice)
5
Disc holder
2
6a
Bellows tailpiece
2
6B
Bellows
2
6C
Bellows flange
2
8
Disc insert
1
9
Retention clip
1
10
O-ring
1
11
O-ring retainer
2
12
Retainer screw(s)
2
13
Nozzle ring lockscrew
P-T orifice JlT
14
Set screw plug
P-T orifice JlT (not shown)
15
guide
3
no.
Part name
notes
noTes
1� Consumable spare parts: valve parts which should be replaced as part of any
disassembly, and discs and disc inserts which must be replaced if seats are
damaged�
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�
16
Spindle
3
17
Spindle cotter pin
1 (l-T orifice)
18
Spring
3
19
Spring washers
3
20
Bonnet
21
Bonnet stud
22
Bonnet stud nut
24
adjusting bolt
25
adjusting bolt nut
26
Pipe plug
27
Set screw gasket
1
28
guide gasket
2
29
Tailpiece gasket
1
34
Seal and wire
35
Seal clip (not shown)
36
Nameplate (not shown)
40
Screwed cap
41
Cap gasket
1
gasket kit
1, 4
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�
4� Contains complete set of gaskets for all style of valves�