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Page 4 of 8 PD20X-XXX-XXX-B (en)
PARTS LIST / PX20X-XXX-XXX-B( ) FLUID SECTION
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637309-XX Fluid section service kit includes: Balls (see Ball Option, refer to -XX in chart below), Diaphragms (see Diaphragm Option, refer to -XX in chart
below) and items 19, 70, 144, 175 (listed below) and 174 and 94276 Lubriplate FML-2 grease (page 6).
MATERIAL CODE
[A] = Aluminum
[B] = Nitrile
[C] = Carbon Steel
[Co] = Copper
[CI] = Cast Iron
[E] = E.P.R.
[H] = Hytrel
[Ha] = Hastelloy - C
[K] = Kynar PVDF
[MSp] = Medical grade Santo-
prene
[SH] = Hard Stainless Steel
[Sp] = Santoprene
[SS] = Stainless Steel
[T] = PTFE
[V] = Viton
o
Air motor kit parts, see pages 6 and 7.
p
For N.P.T.F. thread models (PX20X-AXX-XXX-B) use "-1".
For BSP thread models (PX20X-BXX-XXX-B) use "-2".
COMMON PARTS
Item Description
(size)
Qty Part No. Mtl
1 Rod (1) 94358 [C]
43 Ground Lug
(see page 7)
(1) 93004 [Co]
no
70 Gasket (2) 94100 [B]
Item Description
(size)
Qty Part No. Mtl
no
144 “U” Cup
(3/16” x 1-3/8” o.d.)
(2) Y186-51 [B]
o
180 Gasket
(0.406” i.d. x 0.031” thick)
(4) 94098 [Co]
SEAT OPTIONS PX20X-XXX-XXX-B( ) BALL OPTIONS PX20X-XXX-XXX-B( )
“21”
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“22”
(2-1/2” diameter)
-XXX Seat Qty Mtl -XXX Sitz Qty Mtl -XXX Ball Qty Mtl -XXX Ball Qty Mtl
-AXX 94328-A (4) [Sp] -HXX 94354 (4) [SH] -XAX 93358-A (4) [Sp] -XSX 94805 (4) [SS]
-CXX 94328-C (4) [H] -KXX 94477-K (4) [K] -XCX 93358-C (4) [H] -XTX 93358-4 (4) [T]
-EXX 95677 (4) [C] -LXX 95639 (4) [Ha] -XGX 93358-2 (4) [B] -XVX 93358-3 (4) [V]
-FXX 95673 (4) [A] -SXX 94353 (4) [SS]
-GXX 94328-G (4) [B]
DIAPHRAGM OPTIONS PX20X-XXX-XXX-B( )
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Service kit
n
“7”
n
“8”
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“19”
(1/8” x 3-5/8” o.d.)
-XXX
-XX = (Ball)
-XX = (Diaphragm)
Diaphragm Qty Mtl Diaphragm Qty Mtl “O” Ring Qty Mtl
-XXA 637309-XA 94329-A (2) [Sp] - - - - - - - - - - - 94356 (4) [E]
-XXC 637309-XC 94329-C (2) [H] - - - - - - - - - - - Y327-237 (4) [V]
-XXG 637309-XG 94329-G (2) [B] - - - - - - - - - - - Y325-237 (4) [B]
-XXM 637309-XM 94329-M (2) [MSp] - - - - - - - - - - - Y328-237 (4) [T]
-XXT 637309-XT 94355-T (2) [T] 94330-A (2) [Sp] Y328-237 (
4) [T]
-XXV 637309-XV 95344 (2) [V] - - - - - - - - - - - Y327-237 (
4) [V]
NOTE: Seat options -AXX, -CXX and -GXX do not require item 19 "O" ring.
CENTER SECTION PART OPTIONS PX20X-XXX-XXX-B( )
PD20A-XXX-XXX-B( ) PE20A-XXX-XXX-B( ) PD20S-XXX-XXX-B( ) PE20S-XXX-XXX-B( )
Item Description
(size)
Qty Part No. Mtl Part No. Mtl Part No. Mtl Part No. Mtl
5 Backup Washer (2) 96503 [A] 96503 [A] 94357-2 [SS] 94357-2 [SS]
68 Air Cap (1) 94324-1 [A] 94715-1 [A] 94349-1 [SS] 94349-1 [SS]
69 Air Cap (1) 94324-2 [A] 94715-2 [A] 94349-2 [SS] 94349-2 [SS]
76 Pipe Plug
(1/8 - 27 N.P.T. x 0.27”)
(1) - - - - - - - - Y17-50-S [SS] - - - - - - - - Y17-50-S [SS]
126 Pipe Plug
(1/4 - 18 N.P.T. x 7/16”)
(2) - - - - - - - - Y17-51-S [SS] Y17-51-S [SS] Y17-51-S [SS]
131 Screw
(M10 x 1.5 - 6g x 120 mm)
(4) 94531 [C] 94531 [C] 96656 [SS] 96656 [SS]
no
175
“O” Ring
(3/32” x 1” o.d.)
(2) Y325-117 [B] Y325-117 [B] - - - - - - - - - - - - - - - -
no
(3/32” x 1-1/16” o.d.)
(2) - - - - - - - - - - - - - - - - Y325-118 [B] Y325-118 [B]
181 Roll Pin
(5/32” o.d. x 3/4” long)
(4) - - - - - - - - - - - - - - - - Y178-56-S [SS] Y178-56-S [SS]
MANIFOLD THREAD / FLUID CAP MATERIAL OPTIONS PX20X-XXX-XXX-B( )
PX20X-XAX- PX20X-XCX- PX20X-XHX- PX20X-FHX- PX20X-XSX- PX20X-FSX-
Item Description
(size)
Qty Part No. Mtl Part No. Mtl Part No. Mtl Part No. Mtl Part No. Mtl Part No. Mtl
6 Diaphragm Washer (2) 96503 [A] 94357-2 [SS] 94357-3 [Ha] 94357-3 [Ha] 94357-2 [SS] 94357-2 [SS]
9 Washer (2) 93065 [SS] 93065 [SS] 95683 [Ha] 95683 [Ha] 93065 [SS] 93065 [SS]
14 Screw
(5/8” - 18 x 2-1/2”)
(2) Y5-111-T [SS] Y5-111-T [SS] 95682 [Ha] 95682 [Ha] Y5-111-T [SS] Y5-111-T [SS]
15 Fluid Cap (2) 94325 [A] 94346 [CI] 95679 [Ha] 95679 [Ha] 95570 [SS] 95570 [SS]
60 Inlet Manifold (1) 94327-[
p
] [A] 94347-[
p
] [CI] 95680-[
p
] [Ha] 96341
q
[Ha] 95510-[
p
] [SS] 95512
q
[SS]
61 Outlet Manifold (1) 94326-[
p
] [A] 94348-[
p
] [CI] 95681-[
p
] [Ha] 96342
q
[Ha] 95511-[
p
] [SS] 95513
q
[SS]
63
Pipe Plug
(2 - 11-1/2 N.P.T.)
(2) Y17-128 [A] Y17-28-C [C] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
R 2 (2 - 11 BSP, taper)
(2) 94439-2 [A] 94439-1 [C] - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
EXTERNAL HARDWARE OPTION PX20X-XXX-XXX-B( )
PX20X-XXP-XXX-B( ) PX20X-XXS-XXX-B( )
Item Description
(size)
Qty Part No. Mtl Part No. Mtl
26 Screw
(M10 x 1.5 - 6g x 34 mm)
(8) 94409-1 [C] 94409-2 [SS]
27 Screw
(M10 x 1.5 - 6g x 45 mm)
(16) 94990-1 [C] 94990 [SS]
29 Nut
(M10 x 1.5 - 6h)
(16) 94992-1 [C] 94992 [SS]
q
Flange models
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“Smart Parts“, keep these items on hand in addition to the service kits for fast
repair and reduction of down time.