Condensed parts list 3" and 4 – Grain Systems PNEG-526 User Manual
Page 177
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3" and 4" Model 121
12
15
15a
18
19
19a
20
20a
32
33
34
45
Condensed Parts List 3" and 4"
ILL.
NO.
1
2
3
8
9
11
11
13
14
16a
16b
17
26
28
46
DESCRIPTION
Seal Cap for 121-16
Seal Cap for 121-12
Seal Cap Gasket for 121-16
Tetraseal for 121-12, 2
1
/
4
", x 2
3
/
8
"
Adjustment Spring Button for 121-12
Thrust Washer
Spring, see table “Spring Ranges”
121-16 Diaphragm Assembly
11a Elastic Stop Nut 52-NTE-066
11b Bottom Spring Button
11c Diaphragm Pan
11d Diaphragm, Buna-N
11d Diaphragm, Viton
11f Seal Washer
11h Diaphragm Stud, stainless steel
121-12 Diaphragm Assembly (3
1
/
2
" w.c. to 2 psi
outlet pressure)
11a Elastic Stop Nut 29-NE-066
11b Bottom Spring Button
11c Diaphragm Pan
11d Molded Diaphragm, Buna-N
11d Diaphragm, Viton
11f Seal Washer
11h Diaphragm Stud, stainless steel
O-Ring, Buna-N,
3
/
8
" x
1
/
2
"
O-Ring, Viton,
3
/
8
" x
1
/
2
"
Wave Washer
Retaining Ring
Pliers for retaining ring 16a, Truarc 0400
Valve Holder, split (pair required), stainless steel
O-Ring, Buna-N,
5
/
8
" x
3
/
4
"
O-Ring, Viton,
5
/
8
" x
3
/
4
"
Tetraseal (or O-Ring) 4
3
/
8
" x 4
5
/
8
"
Tetraseal (or O-Ring) 2
3
/
4
" x 3"
Repair Kits, consisting of Buna-N
Main and Seal Diaphragm, Buna-N
Molded Valve plus Wave Washer
and Retaining Ring, Buna-N
O-Rings, Tetraseals and Gaskets:
For 3" 121-16
3" 121-12
4" 121-16
4" 121-12
PART NUMBER
138-02-005-01
143-16-005-00
120-08-066-00
905241
143-16-009-00
141-10-160-01
908561
121-62-022-50
121-62-017-50
121-62-150-50
121-62-150-52
121-10-178-50
121-16-058-52
121-16-550-51
903955
121-10-022-50
121-16-017-50
121-16-150-53
121-16-150-55
121-10-178-50
121-16-058-52
934007
902418
905481
904448
1190647
121-22-130-51
902922
902698
904085
904079
121-60-598-50
121-20-598-50
121-62-598-50
121-22-598-50
4" Model 121 only
3" Model 121 only
121-20-053-50
121-20-364-50
121-20-364-51
121-20-010-50
121-20-016-51
121-20-311-50
121-20-311-51
121-20-018-50
121-20-018-51
904200
121-20-023-50
121-20-023-51
904658
1190648
934328
121-20-008-50
121-20-104-50
091-00-365-00
12a Piston
12b Seal Diaphragm, Buna-N
12b Seal Diaphragm, Viton
12c Plate
12d Stem, stainless steel
Molded Valve, Buna-N (45-50 Duro)
Molded Valve, Viton-A (65-75 Duro)
Valve Wing
Valve Wing, stainless steel
Tetraseal (or O-RIng) 3
3
/
4
" x 4"
Orifice, 3
1
/
4
" dia., steel
Orifice, 3
1
/
4
" dia., stainless steel
Retaining Ring, stainless
Pliers for retaining ring 19a, Truarc 0600
Tetraseal (or O-Ring) 5" x 5
1
/
4
"
Seal Diaphragm Ring
Gasket
Travel Indicator (specify scale 091-00-008-02)
12
15
15a
18
19
19a
32
33
34
45
ILL.
NO.
DESCRIPTION
PART NUMBER
13
FOR BACK PRESSURE MODELS
Item 14 above, Wave Washer - substitute
Poly-U Disk
Retainer
14
121-22-102-52
121-22-103-50
FOR BACK PRESSURE MODELS
12
47
Item 12d above, Stem - substitute
Stem, Back Pressure
Add Item 47
Valve, Seal Diaphragm and Stem
Assembly
121-20-016-53
121-20-511-50
12a Piston
12b Seal Diaphragm, Buna-N
12b Seal Diaphragm, Viton
12c Plate
12d Stem, steel
12d Stem, stainless steel
Molded Valve, Buna-N (45-50 Duro)
Molded Valve, Viton-A (65-75 Duro)
Valve Spacer
Tetraseal (or O-Ring) 4
3
/
4
" x 5"
Orifice, 4
7
/
32
" dia., steel
Retaining Ring
Orifice, 4
7
/
32
" dia., Stainless steel
Retaining Ring, stainless
Pliers for retaining ring 19a, Truarc 0600
O-Ring 6
1
/
4
" x 6
1
/
2
"
Seal Diaphragm Ring
Gasket
Travel Indicator (specify scale 091-00-008-02)
121-22-053-50
121-22-364-50
121-22-364-51
121-22-010-50
121-22-016-50
121-22-016-51
121-22-311-50
121-22-311-51
121-22-038-50
950625
121-22-023-50
904429
121-22-023-52
121-22-130-52
1190648
934337
121-22-008-50
121-22-104-50
091-00-365-00
FOR BACK PRESSURE MODELS
12
47
Item 12d above, Stem - substitute
Stem, Back Pressure
Add Item 47
Valve, Seal Diaphragm and Stem
Assembly
121-20-016-53
121-20-511-50