Fisher 128-PQC Instruction Manual page 9

Key Description
4 Packing Box Washer, stainless steel
1/2 inch and smaller ports
3/4 inch port
(1)
6 Washer, stainless steel
7 Packing Spring, 17-7PH stainless steel
Inconel X750
8* Packing Set, PTFE V-Ring
8* Packing Ring, nitrile/cotton (6 req'd)
9 Packing Box, stainless steel
(1)
10* O-Ring, fluoroelastomer
(1)
11* O-Ring, nitrile
(1)
12* O-Ring, fluoroelastomer
13 Lower Diaphragm Casing, steel
14 Hex Nut, zn pl steel (17 req'd)
15 Flat Washer, zn pl steel
16* Diaphragm, neoprene w/nitrile insert
17 Diaphragm Plate, zn pl steel
18 Spring Plate, zn pl steel
19 Main Spring, pl steel
20 Upper Diaphragm Casing, steel
w/o handjack
w/handjack
21 Cap Screw, pl steel (12 req'd)
Key numbers 22 through 27 are not req'd with a handjack.
These parts are also included in the stem travel assembly,
part number 35A1588X0A2, but are omitted when a hand-
jack is used.
22 Travel Indicator Disk Nut, plastic
23 Indicator Fitting, stainless steel
24 Indicator Bushing, 316 stainless steel
25* O-Ring, nitrile
26 Machine Screw, stainless steel
27 Spring, stainless steel
28 Pipe Plug, steel
29 Lock Washer, steel
31 Vent Assembly
35* Diaphragm Casing O-ring
39* O-Ring Retainer, polyethylene
40* Bushing, PTFE (used with metal seat only)
41 Indicator Cover, plastic
w/o handjack
w/handjack
(1)
42 Paper Tube
(1)
43 Web Sleeve
(1)
44 Cage Puller, steel
(1)
45 Paper Label
46 Locknut, pl steel
Key numbers 47 through 51 are handjack parts.
47 Handjack Body, steel
48 Pipe Plug or Handle, steel (2 req'd)
Pipe Plug
Handle
1. May also be ordered from the Replacement Packing and Trim Assembly Part
Numbers table.
*Recommended spare parts
Part Number
(1)
14A6617X012
14A8807X012
(2 req'd) 14A8808X012
(1)
10B7429X012
10B7430X012
(1)
10B7279X012
14A9057X012
(1)
10B7278X022
1U841806382
1P420706992
11A8741X012
24A8810X012
1A346524122
14A9770X012
14A8813X012
14A8814X012
14A8819X012
See table 3
24A8816X012
26A1770X012
1E760324052
Note
1F730506992
15A0726X012
13A2323X012
1H292606992
14A8818X012
16A0431X012
1A794728992
1A742328992
13A1584X012
14A9053X012
10B7431X012
15A1580X012
26A1764X012
1M3227X0012
1M3512X0012
15A2525X012
15A6827X012
15A7591X012
Note
16A1769X012
1A500828992
16A1768X012
DIMENSION A
Inches
Spring-Close Spring-Open
Assembly Assembly
2.46 2.72
34A8839-G
34A8838-G
A2223-2/IL
Figure 6. Stem and Diaphragm Assembly Dimensions
Key Description
49 Stem Nut, pl steel
50 Groove Pin, 316 stainless steel
51 Thrust Washer, steel
52* Cage/Plug/Stem Assembly, austenitic stainless
steel w/carbide seating surface (not shown)
(includes keys 2, 3A, and 3B)
w/o handjack
1/4 inch port
3/8 inch port
w/handjack
1/4 inch port
3/8 inch port
54 Nameplate
128-PQC
mm
Spring-Close Spring-Open
Assembly Assembly
62.5 69.1
Part Number
16A1763X012
1B599135072
16A1508X012
16A4601X012
16A4601X032
16A4601X022
16A4601X042
22B6762X0A2
9