Displacement Pump Parts
Model 237–253 Displacement Pump, Series A
200 Liter (55 Gallon) Size, Stainless Steel,
Packed
Ref.
No.
Part No.
Description
Qty.
1
180–049 NUT, packing; stainless steel
1
2*
178–543 GLAND, female; stainless steel
1
3*
172–487 V-PACKING;
3
5*
172–385 GLAND, male; stainless steel
1
6
210–876 HOUSING, outlet
1
8
104–537 O-RING;
1
10
172–405 BUSHING; nylon
1
11
104–587 CAPSCREW; M8 x 1.25
1
12
210–877 ADAPTER, bung; stainless steel
1
13
178–863 CYLINDER, 55 gal.; stainless steel 1
14
177–156 O-RING; Viton
1
15
217–211
ROD, displacement
1
16
105–776 NUT, hex; M14 x 1.5
2
17
177–149 ROD, connecting
1
18
177–175 HOUSING, valve, piston
1
20
172–393 WASHER; stainless steel
1
21*
172–489 CUP, piston;
1
22
172–495 STUD, piston; stainless steel
1
23
218–427 VALVE, intake; stainless steel
1
24
172–391 SPACER, piston;
1
25
104–585 BALL, piston; 22 mm dia.
1
26
172–399 PIN, ball stop
1
27
177–230 GUIDE, ball
1
28
104–586 BALL, intake; 32 mm dia.
1
* These parts are included in Repair Kit 213–013,
which may be purchased separately.
03775
1
3
4
2
Torque to 65 N.m (47 ft–lb).
6
1
*5
8
10
11
12
13
26
18
17
15
14
Lips of packing must face down.
22
16
*2
3*
20
Torque to 33 N.m (24 ft–lb).
Lips of packing must face up.
1
4
3
2
*21
24
25
27
28
23
PTFE
PTFE
PTFE
PTFE
PTFE
