Graco Dura-Flo 25A451, Operation And Parts

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Lower Parts
12 3A4100D
Lower Parts List
NOTE: See the parts drawing on the previous page. Part numbers vary by lower. To find the part number used in
your lower, read down the chart to find the desired Ref. number, then read left to right to find the part number for your
lower.
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Additional Warning labels are available at no cost.
25A447 25A448 25A449 25A450
Ref. Part
Qty.
Carbon Steel,
Severe Duty
Carbon Steel,
MaxLife
Stainless Steel,
Severe Duty
Stainless Steel,
MaxLife
1 ROD, displacement 1 17L297 17L298 17L297 17L298
3 NUT, packing/ wet cup 1 24U017 24U017 24U019 24U019
4 FITTING, outlet 1 184279 184279 184387 184387
5 PACKING, o-ring 1 109213 109213 109213 109213
6 SEAL 2 184072 184072 184072 184072
7 CYLINDER 1 17L296 17L295 17L296 17L295
9 GUIDE, ball 1 184283 184283 184283 184283
10 BALL, metallic 1 102973 15C869 102973 15C869
11 GLAND, packing, male 1 184232 184232 184232 184232
12 HOUSING, valve 1 222795 222795 222795 222795
13 PACKING, vee 2 184312 184312 687057 687057
14 GUIDE, ball 1 184406 184406 184282 184282
15 HOUSING, valve 1 222794 222794 222838 222838
16 BALL, intake 1 102974 15C868 110294 15C868
17 HOUSING intake 1 184275 184275 184390 184390
19 HOUSING, outlet, pump 1 184290 184290 184389 184389
20 BOLT 6 17L291 128710 17L291 17L291
21 PLATE, designation 1 184446 184446 184446 184446
22 SCREW, drive 4 100508 100508 109202 109202
24 PLUG 1 190128 190128 190293 190293
25 GLAND, packing, female 1 184181 184181 184181 184181
26 PACKING, vee 3 109311 109311 109261 109261
27 PACKING, o-ring 1 102857 102857 102857 102857
29 GLAND, packing, male 1 184231 184231 184231 184231
30 PACKING, vee 2 184311 184311 687056 687056
33 GLAND, packing, female 1 184182 184182 184182 184182
34 PACKING, vee 3 109312 109312 109262 109262
37
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PLATE, warning 1 184473 184473 184474 184474
39 BODY, bleeder 1 190126 190126 184392 184392
Lower
Part Body Size
Rod
Construction
Cylinder
Construction
Ball
Construction
Seat
Construction
Piston
Packings
Throat
Packings
25A447 CS 1000cc SST with
Severe-Duty
SST with
Severe-Duty
SST E-Nickel/Cast
Iron
3 PTFE/2
leather
3 PTFE/2
leather
25A448 CS 1000cc SST with
Max-Life
SST with
Max-Life
Silicone Nitride E-Nickel/Cast
Iron
3 PTFE / 2
Leather
3 PTFE / 2
Leather
25A449 SS 1000cc SST with
Severe-Duty
SST with
Severe-Duty
SST SST 3 UHMWPE / 2
Graphite PTFE
3 UHMWPE / 2
Graphite PTFE
25A450 SS 1000cc SST with
Max-Life
SST with
Max-Life
Silicone Nitride SST 3 UHMWPE / 2
Graphite PTFE
3 UHMWPE / 2
Graphite PTFE