Page 5 of 8
PD20X-X
PARTS LIST / PD20X-X-X FLUID SECTION
COLOR CODE
1
15
26
,G
FOR THE
AIR MOTOR SECTION
SEE PAGES 6 & 7
68
60
(
Santoprene
)
8
7
(PTFE)
7
5
21
19
z
k
180
131
,
x
k
175
70
k
69
61
(PD20X-FXX-X)
Figure 2
VIEW OF TWO PIECE PTFE DIAPHRAGM
27
,G
144
22
70
k
6
14
,
9
144
63
.
TORQUE REQUIREMENTS
,
LUBRICATION / SEALANTS
k
Apply Lubriplate FML-2 grease to all “O” rings, “U” cups
& mating parts.
x
Apply Loctite 242 to threads at assembly.
u
Apply PTFE tape to threads.
Diaphragm
Ball / Cone
Material
Color
Color
E.P.R.
N / A
Blue (
S
)
Hytrel
Cream
Cream
Neoprene
N / A
Green (
S
)
Nitrile
Black
Red (
S
)
Santoprene
Tan
Tan
Santoprene
Green
N / A
(Backup)
PTFE
White
White
Viton
Yellow (-)
Yellow (
S
)
(-) Dash
(
S
) Dot
8
6
4
1
2
3
5
7
Torque Sequence
126
u
29
22
21
19
z
k
60
(PD20X-FXX-X)
76
41
77
77
41
76
PD20X-XXX-0XX-A03 PD20X-XXX-0XX
(14) Diaphragm screw, apply Loctite #271 to threads, 65 - 70 ft lbs
(88.1 - 94.9 Nm).
(26 and 27) Fluid cap / manifold screw 30 - 40 ft lbs (40.7 - 54.2 Nm).
(131) Screw 35 - 40 ft lbs (47.5 - 54.2 Nm).
G
Apply anti-seize compound to threads when using stainless steel
fasteners and stainless steel wet ends.
NOTE: DO NOT OVERTIGHTEN FASTENERS.
ALL FASTENERS ARE METRIC.
76
41
77
77
41
76
PD20X-XXX-0XX-A03 PD20X-XXX-0XX
61
26
,G
MATERIAL CODE
[A]
= Aluminum
[B]
= Nitrile
[C]
= Carbon Steel
[Co] = Copper
[CI]
= Cast Iron
[E]
=
E.P.R.
[H]
=
Hytrel
[Ha]
=
Hastelloy-C
[K]
=
PVDF
(Kynar)
[L]
= Long Life PTFE
[MSP]=
Medical
Grade
Santoprene
[N]
=
Neoprene
[SH]
=
Hard
Stainless
Steel
[SP]
=
Santoprene
[SS]
=
Stainless
Steel
[T]
=
PTFE
[V]
=
Viton
181
175
k
z
Not used with PD20X-XXX-AXX, -CXX, -GXX & -0XX.
Z
Lubriplate FML-2 is a white food grade petroleum grease.
