Page 6 of 12
PX20P-XXX-XXX-AXXX (en)
61
26
!"
28
22
19
33
5
21
27
!"
28
15
22
19
33
21
26
!"
28
60
6
!"
131
!#
180
68
$
181
69
$
239
237
%
234
1
%
29
70
%
238
%
144
%
175
%
238
%
70
%
175
%
144
%
237
%
235
8
12
14
1
2
7
11
13
Torque Sequence
10
6
4
9
5
3
COLOR CODE
Hytrel
Nitrile
Santoprene
Santoprene
(Backup)
PTFE
Viton
Cream
Black
Tan
Green
White
Yellow (-)
(-) Dash
Cream
Red (
!
)
Tan
N/A
White
Yellow (
!
)
(
!
) Dot
MATERIAL
DIAPHRAGM
COLOR
BALL
COLOR
FOR THE
AIR MOTOR SECTION
SEE PAGES 7 AND 8
NOTE: DO NOT OVERTIGHTEN FASTENERS
ALL FASTENERS ARE METRIC.
( 6 ) Diaphragm screw, 65 - 70 ft lbs (88.1 - 94.9 Nm), lubricate face with
Lubriplate
FML-2 grease.
(26 and 27) Screws, 15 - 20 ft lbs (20.3 - 27.1 Nm).
(131) Screw, 12 - 17 ft lbs (16.3 - 23.0 Nm).
LUBRICATION / SEALANTS
"
Apply Lubriplate
FML-2 grease to all“O”rings,“U”cups and mating parts.
#
Apply Loctite
271 to threads at assembly.
$
Apply Loctite
242 to threads at assembly
.
%
Apply PTFE
tape to threads at assembly.
&
Apply anti-seize compound to threads and bolt and nut flange heads
which contact pump case when using stainless steel fasteners.
'
For PX20E-FNS-KTT or PX20E-FNS-KTL (Conductive PVDF) models
with PTFE diaphragms only:
NOTE
:
Lubriplate
FML-2 is a white food grade petroleum grease.
(
TORQUE REQUIREMENTS
)
74
%
Santoprene
!
8
7
PTFE
View for PX20P-XXX-XXT (PTFE diaphragm)/
PX20P-XXX-XXL (Long Life PTFE
diaphragm) configuration only.
8
7
Pump is assembled with joint sealant from the factory as standard.
Inspect joint sealant. If damaged, apply joint sealant (Kit PN: 637545) to
each air caps #68 and #69 diaphragm groove. Use only 1 wrap of sealant.
DO NOT overlap seam, trim excess. Seam to be located between bolt
position 1 and 8 (refer to “torque sequence” diagram on page 6).
PARTS LIST / PX20X-XXX-XXX-AXXX FLUID SECTION
Figure 2
