13
PARTS LIST (Aluminum Models)
Model 218–940, Series D
With Buna–N Diaphragm
Includes items 1–57
Model 218–942, Series D
With EPDM Diaphragm
Includes items 1–52
Model 220–438, Series C
With Polyester Elastomer Diaphragm
Includes items 1–52
REF PART
DESCRIPTION
QTY
NO. NO.
1
108–248
SHAFT, diaphragm
1
2
108–252
HOUSING, pump
(includes item 51)
1
3
108–574
BOLT, M8 x 40
8
4
108–250
SEAL, shaft
2
5
108–249
STOP, diaphragm
2
6
110–032
PLATE, support, air side
2
7
108–244*
DIAPHRAGM, buna–N
(Model 218–940 only)
2
108–465*
DIAPHRAGM, polyester elastomer
(Model 220–438 only)
2
108–273*
DIAPHRAGM, EPDM
(Model 218–942 only)
2
8
110–280
PLATE, support, fluid side;
316 sst
2
11
108–579
COVER, diaphragm; aluminum
2
12
185–409
LEG, left hand
2
13
185–410
LEG, right hand
2
14
108–391
BOLT, M8 x 35
16
15
105–329
NUT, M8
24
16
104–421
WASHER, M8
32
17
108–625*
O–RING, valve seat; buna–N
(Model 218–940 only)
8
108–627*
O–RING, valve seat; EPDM
(Model 218–942 only)
8
108–628*
O–RING, valve seat;
polyester elastomer
(Model 220–438 only)
8
18
108–242
PLATE, valve seat; 316 sst
4
19
108–240*
BALL, inlet and outlet;
r
(PTFE)
(Model 220–438 only)
4
108–746*
BALL, inlet and outlet; EPDM
(Model 218–942 only)
4
108–745*
BALL, inlet; buna–N (black)
(Model 218–940 only)
2
20
108–581
MANIFOLD, top (outlet);
aluminum
1
21
108–582
MANIFOLD, bottom (inlet);
aluminum
1
22
108–254
SCREW, socket, M4 x 20
4
23
108–257
PLATE, slide valve
1
24
108–260
GASKET, slide valve
1
25
108–261
VALVE, slide
1
26
108–262
SPRING, air valve
1
27
108–268
PIN, actuator, air valve
1
28
108–267
SPOOL, valve, pilot
1
29
154–771
O–RING; buna–N
2
30
108–256
CAP, valve, right hand
1
31
108–263
SPOOL, valve
1
32
108–264
BLOCK, valve
1
33
108–255
CAP, valve, left hand
1
35
108–253
SCREW, M6 x 20
4
36
110–035
WASHER, M6
4
37
109–043
PLATE, air inlet
1
38
108–258
GASKET, air inlet
1
39
108–265
SCREW, socket, M6 x 35
3
REF PART
DESCRIPTION
QTY
NO. NO.
40
108–274
MUFFLER
1
44
179–944** LABEL, warning, suction
1
46
181–211**
LABEL, warning, HHC
1
47
181–212** LABEL, warning, exhaust
1
48
104–582
WASHER, tab
1
49
104–029
LUG, grounding
1
51
108–251
BUSHING
2
52
108–766
AIR DIRECTOR VALVE ASSY
Includes items 22–33
1
57
110–263*
BALL, outlet; Delrin
r
(white)
(Model 218–940 only)
2
* Included in repair kits. See below.
** Additional warning labels and tags are available at no
extra charge.
CHECK VALVE REPAIR KITS
(Must be purchased separately)
220–988
r
(PTFE)
220–989
Buna–N/Delrin
r
220–990
EPDM
Consist of:
Ref. No.
Qty
17
8
19
4 (2 in 220–989)
57
2 (220–989 only)
DIAPHRAGM REPAIR KITS
(Must be purchased separately)
220–981
Polyester Elastomer
220–982
EPDM
220–983
Buna–N
Consist of:
Ref. No.
Qty
7
2
r
CONVERSION KIT 222–373
Part No.
Description
Qty
110–279
PLATE, support, fluid side
2
108–576
DIAPHRAGM,
(PTFE) 2
108–847
DIAPHRAGM, backup
2
108–587
PACKING, o–ring
8
110–036
BOLT, M8 x 45
8
108–240
BALL,
(PTFE)
4
405–891
LABEL, instruction
1
PTFE
PTFE
PTFE
PTFE
PTFE