3
H25-991-2402B
H-25 Fluid End (with metallic pump head)
22 D25-018-2312 Diaphragm, Neoprene .........................3
D25-018-2313 Diaphragm, EPDM ..............................3
D25-018-2315 Diaphragm, Viton-XT ..........................3
D25-018-2318 Diaphragm, Teflon ...............................3
D25-018-2320 Diaphragm, Buna-N-XS ......................
3
23 D25-016-1010 Plunger ................................................
3
24 G25-082-2010 Set Screw, M6 x 1 x 16 mm ................
3
25 G25-002-1010 Cylinder Housing .................................
1
G25-002-1210 Cylinder Housing Assembly
3
............–
K25-002-1020 Cylinder Housing, Kel-Cell ..................
1
K25-002-1220 Cylinder Housing Assembly,
Kel-Cell
3
............................................–
26 G10-087-2010 Cap Screw, socket-hd,
M10 x 1.5 x 30 mm ...........................................................
4
27 D10-080-2110 O-ring, oil fill, Buna
..............................1
28 D03-039-1030 Cap with O-ring, oil fill .........................
1
29 D10-040-2410 Name Plate
..........................................1
30 G25-001-1218 Pump Housing Assembly
4
.................–
G25-001-1228 Pump Housing
4
.................................1
31 G10-028-2010 Nut, hex, M10 ....................................
10
32 D25-076-2210 Elbow, 3/8” ..........................................
1
33 D25-077-2210 Pipe, 3/8” .............................................
1
34 D25-078-2210 Cap, 3/8”
..............................................1
35 D25-025-1010 Base ....................................................
1
36 G25-054-2010 Washer, shakeproof, M10 ...................
4
37 G10-029-2010 Cap Screw, hex-hd,
M10 x 1.5 x 25 mm ...........................................................
4
38 D25-125-1011 Washer, dampening, 316 SST
5
.........6
D25-125-1017 Washer, dampening, Hastelloy C
5
....6
D25-125-2310 Washer, dampening,
Celcon (Delrin)
5
.................................6
D25-125-2316 Washer, dampening, Nylon
5
..............6
D25-125-2317 Washer, dampening, polypropylene
5
6
D25-125-2318 Washer, dampening, Kynar
5
.............6
39 G25-088-2010 Cap Screw, socket-hd,
M6 x 1x 45 mm ....................................
3
40 G25-106-2318 Gasket, cover ......................................
1
41 H25-105-1018 Cover, housing ....................................
1
42 G25-090-2010 Cap Screw, hex-head ..........................
6
9 D25-073-2110 Oring, inner manifold, Buna ................1
D25-073-2111 O-ring, inner manifold, Viton ...............1
D25-073-2112 O-ring, inner manifold, Neoprene .......1
D25-073-2113 O-ring, inner manifold EPDM ..............1
D25-073-2118 O-ring, inner manifold, Teflon .............
1
10 D25-097-2110 O-ring, outer manifold, Buna
2
...........1
D25-097-2111 O-ring, outer manifold, Viton
2
...........1
D25-097-2112 O-ring, outer manifold Neoprene
2
.....1
D25-097-2113 O-ring, outer manifold EPDM
2
..........1
D25-097-2118 O-ring, outer manifold, Teflon
2
..........1
11 D25-035-2110 O-ring, valve seat, Buna .....................6
D25-035-2111 O-ring, valve seat, Viton .....................6
D25-035-2112 O-ring, valve seat, Neoprene ..............6
D25-035-2113 O-ring, valve seat, EPDM ...................6
D25-035-2118 O-ring valve seat, Teflon .....................
6
12 D25-020-1010 Valve Seat, 17-4 HT SST ....................6
D25-020-1012 Valve Seat, Nitronic 50 .......................6
D25-020-1016 Valve Seat, tungsten carbide ..............6
D25-020-1017 Valve Seat, Hastelloy C ......................6
D25-020-3300 Valve Seat, ceramic ............................
6
13 D25-021-1010 Valve, 17-7 HT SST. stamped .............6
D25-021-1011 Valve, Nitronic 50 ................................6
D25-021-1015 Valve, 17-4 HT SST, machined ...........6
D25-021-1016 Valve, tungsten carbide ......................6
D25-021-1017 Valve, Hastelloy C ...............................6
D25-021-3300 Valve, ceramic .....................................
6
14 D25-022-3110 Valve Spring, 17-7 HT SST .................6
D25-022-3114 Valve Spring, Elgiloy ...........................6
D25-022-3115 Valve Spring, Hastelloy C ...................
6
15 D25-092-2110 Tetra Seal, Buna .................................6
D25-092-2111 Tetra Seal, Viton .................................6
D25-092-2112 Tetra Seal, Neoprene ..........................6
D25-092-2113 Tetra Seal, EPDM ...............................6
D25-092-2118 O-ring, Teflon ( not a “Tetra Seal”) .....
6
16 D25-023-1010 Retainer, valve spring, 17-7 HT SST ...6
D25-023-1017 Retainer, valve spring, Hastelloy C .....6
D25-023-2310 Retainer, valve spring, Celcon ............6
D25-023-2316 Retainer, valve spring, Nylon ..............6
D25-023-2317 Retainer, valve spring, polypropylene
6
D25-023-2318 Retainer, valve spring, Kynar ..............
6
17 D25-074-2110 O-ring, outlet valve, Buna
2
................3
D25-074-2111 O-ring, outlet valve, Viton
2
................3
D25-074-2112 O-ring, outlet valve, Neoprene
2
........3
D25-074-2113 O-ring, outlet valve, EPDM
2
..............3
D25-074-2118 O-ring, outlet valve, Teflon
2
...............3
18 D25-003-1010 Valve Plate, brass ...............................1
D25-003-1012 Valve Plate, 316 SST ..........................1
D25-003-1016 Valve Plate, cast iron ..........................1
D25-003-1029 Valve Plate, nickel alloy C series ........
1
19 D25-030-2010 Screw, flat-head, 5/8”, 316 SST ..........3
D25-030-2011 Screw, flat-head, 5/8”, Hastelloy C .....
3
20 D25-047-2110 O-ring, follower, Buna .........................3
D25-047-2111 O-ring, follower, Viton .........................3
D25-047-2112 O-ring, follower, Neoprene ..................3
D25-047-2113 O-ring, follower, EPDM .......................3
D25-047-2118 O-ring, follower, Teflon ........................
3
21 D25-017-1010 Follower, 316 SST ...............................3
D25-017-1011 Follower, Hastelloy C ..........................
3
1
With brass external-centerbolt models, use Ref #8; with all
other models, use Ref #3.
2
With cast iron pump heads, use Ref #17 and not Ref #10;
with all other models, use Ref #10 and not Ref # 17.
3
Cylinder Housing Assembly includes housing (25), bearing
adjusting plate (61), O-ring (60), screws (24), and bearing
cup (62A).
4
Pump Housing Assembly includes housing (30), gasket (40),
cover (41), screws (42), oil drain (32, 33, 34), and bearing
cup (62B).
5
Not required on all pumps.
Ref. Quantity/
No. Part Number Description Pump
Ref. Quantity/
No. Part Number Description Pump
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