Page 6 of 12
PP20A-XXX-XXX (en)
PARTS LIST / PP20A-XXX-XXX FLUID SECTION
637309-XX fluid section service kits include: Balls (item 22), diaphragms (item 7), and items 19, 70, 144, 175 (listed below) plus
items 174 and 94276 Lubriplate
®
FML-2 grease (page 8).
MATERIAL CODE
[A]
= Aluminum
[B]
= Nitrile
[C]
= Carbon Steel
[Co] = Copper
[MSp] = Medical Grade Santoprene
[Sp] = Santoprene
[SS] = Stainless Steel
[T]
= PTFE
COMMON PARTS
Item
Description (size)
Qty Part No.
[Mtl]
1 Rod
(1) 97386
[C]
5 Back-Up Washer
(2) 96503
[A]
9 Washer
(2) 93065
[SS]
14 Screw
(5/8” - 18 x 2-1/2”)
(2) Y5-111-T
[SS]
68 Air Cap
(1) 94324-4
[A]
69 Air Cap
(1) 94324-5
[A]
70 Gasket
(2) 94100
[B]
Item
Description (size)
Qty Part No.
[Mtl]
74 Pipe Plug
(1/4 - 18 NPT x 7/16”)
(1) Y17-51-N
[C]
79 Ground Kit Assembly
(not
shown)
(1) 94829
- - -
131 Screw
(M10 x 1.5 - 6g x 120 mm)
(4) 94531
[C]
144 “U” Cup
(3/16” x 1-3/8” OD)
(2) Y186-51
[B]
175 “O” Ring
(3/32” x 1” OD)
(2) Y325-117
[B]
180 Washer
(0.406” ID x 0.031” thick)
(4) 94098
[Co]
250 Screw, Self-Tapping
(1/4” - 14 x 1/2”)
(1) Y334-104-C
[C]
SEAT OPTIONS
PP20A-XXX-XXX
BALL OPTIONS
PP20A-XXX-XXX
“21”
“22”
(2-1/2” diameter)
-XXX Seat
Qty [Mtl]
-XXX Ball
Qty [Mtl]
-AXX 94328-A
(4)
[Sp]
-XAX 93358-A
(4)
[Sp]
-SXX 94353
(4)
[SS]
-XMX 93358-M (4) [MSp]
DIAPHRAGM OPTIONS PP20A-XXX-XXX
Service Kit
“7”
“19”
(1/8” x 3-5/8” OD)
-XXX
-XX = (Ball)
-XX = (Diaphragm) Diaphragm Qty [Mtl] “O” Ring
Qty [Mtl]
-XXA 637309-XA
94329-A
(2)
[Sp] - - - - -
- - -
- - -
-XXM 637309-XM
94329-M
(2) [MSp] Y328-237
(4)
[T]
MANIFOLD CONNECTION / FLUID CAP MATERIAL OPTIONS PP20A-XXX-XXX
Aluminum
Stainless Steel
NPT
BSP
NPT
BSP
Sanitary Flange
PP20A-AAX-XXX PP20A-BAX-XXX PP20A-ASX-XXX PP20A-BSX-XXX PP20A-CSX-XXX
Item Description
(size)
Qty Part No.
[Mtl] Part No.
[Mtl] Part No.
[Mtl] Part No.
[Mtl] Part No.
[Mtl]
6 Diaphragm Washer
(2) 96503
[A] 96503
[A] 94357-2
[SS] 94357-2
[SS] 94357-2
[SS]
15 Fluid Cap
(2) 94769
[A] 94769
[A] 95556
[SS] 95556
[SS] 95556-1
[SS]
60 Inlet Manifold
(1) 94911
[A] 94911-2
[A] 95537-1
[SS] 95537-2
[SS] 96667
[SS]
61 Outlet Manifold
(1) 94767
[A] 94767-2
[A] 95536-1
[SS] 95536-2
[SS] 96666
[SS]
63 Pipe Plug
(2 - 11-1/2 NPT)
(2) Y17-128
[A] - - - - -
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - -
(R-2, 2 - 11 BSP)
(2) - - - - -
- - - 94439-2
[A] - - - - -
- - - - - - - -
- - - - - - - -
- - -
EXTERNAL HARDWARE OPTIONS PP20A-XXX-XXX
Plated Steel
Stainless Steel
PP20A-XXP-XXX PP20A-XXS-XXX
Item Description
(size)
Qty Part No.
[Mtl] Part No.
[Mtl]
26 Screw
(M10 x 1.5 - 6g x 35 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]
FLUID SECTION DISASSEMBLY
1. Remove (61) outlet manifold and (60) inlet manifold.
2. Remove (22) balls, (19) “O” rings (if applicable) and (21)
seats.
3. Remove (15) fluid caps.
4. Remove the (6) diaphragm washer, (7) diaphragm and (5)
back-up washer.
NOTE:
Do not scratch or mar the surface of (1) diaphragm
rod.
FLUID SECTION ASSEMBLY
y
Assemble in reverse order of disassembly. Refer to the
torque requirements on page 7.
y
Clean and inspect all parts. Replace worn or damaged
parts with new parts as required.
y
Lubricate
®
(1) diaphragm rod and (144) “U” cups with Lu-
briplate FML-2 grease (94276 grease packet is included in
service kit).
y
Examine torque settings after pump has been re-started
and run a while.
Air Motor Kit parts, see pages 8 and 9.
