
Item Description
Qty.
PX4/PPAPP
P/N
PX4/KKAPP
P/N
PX4/PPCPP/ 0502
P/N
PX4/KKCPP/ 0502
P/N
1
Pro-Flo X™ Assembly, Air Valve
1
1
08-2030-20
08-2030-20
08-2030-20
08-2030-20
2
O-Ring (-225), End Cap (Ø1.859” x Ø.139”)
2
04-2390-52-700
04-2390-52-700
04-2390-52-700
04-2390-52-700
3
End Cap
2
04-2330-20-700
04-2330-20-700
04-2330-20-700
04-2330-20-700
4
Screw, SHC, Air Valve (1/4”-20 x 4-1/2”)
6
01-6000-03
01-6000-03
01-6000-05
01-6000-05
5
Nut, Square (1/4”-20)
6
00-6505-03
00-6505-03
00-6505-05
00-6505-05
6
Muffl er Plate, Pro-Flo X™
1
08-3185-20
08-3185-20
08-3185-20
08-3185-20
7
Gasket, Muffl er Plate, Pro-Flo X™
1
08-3502-52
08-3502-52
08-3502-52
08-3502-52
8
Gasket, Air Valve, Pro-Flo X™
1
08-2620-52
08-2620-52
08-2620-52
08-2620-52
9
Center Block Assembly, Pro-Flo X™
2
1
08-3126-20
08-3126-20
08-3126-20
08-3126-20
10
O-Ring (-210), Adjuster (Ø.734” x Ø.139”)
1
02-3200-52
02-3200-52
02-3200-52
02-3200-52
11
Sleeve, Threaded, Center Block
4
04-7710-08
04-7710-08
04-7710-08
04-7710-08
12
Pilot Spool Retaining O-Ring (Ø.204” x Ø.070”)
2
04-2650-49-700
04-2650-49-700
04-2650-49-700
04-2650-49-700
13
Removable Pilot Sleeve Assembly
1
04-3880-99
04-3880-99
04-3880-99
04-3880-99
14
Shaft Pro-Flo
®
1
04-3800-03-700
04-3800-03-700
04-3800-03-700
04-3800-03-700
15
Shaft Seal
2
08-3210-55-225
08-3210-55-225
08-3210-55-225
08-3210-55-225
16
Shaft Bushing
2
08-3306-13
08-3306-13
08-3306-13
08-3306-13
17
Gasket, Center Block Pro-Flo V™
2
04-3529-52
04-3529-52
04-3529-52
04-3529-52
18
Air Chamber, Pro-Flo V™
2
04-3660-01
04-3660-01
04-3660-05
04-3660-05
19
Retaining Ring
2
04-3890-03
04-3890-03
04-3890-03
04-3890-03
20
Screw, Custom HSFCHC (3/8”-16 x 1.00”)
8
71-6250-08
71-6250-08
71-6250-08
71-6250-08
21
Inner Piston
2
04-3700-01-700
04-3700-01-700
04-3700-01-700
04-3700-01-700
22
Diaphragm
2
*
*
*
*
23
Outer Piston
2
04-4550-20-500
04-4550-21-500
04-4550-20-500
04-4550-21-500
24
Valve Seat
4
04-1120-20-500
04-1120-21-500
04-1120-20-500
04-1120-21-500
25
Valve Seat O-Ring (Ø2.609” x Ø.139”)
4
*
*
*
*
26
Valve Ball
4
*
*
*
*
27
Chamber, Liquid
2
04-5000-20
04-5000-21
04-5000-20
04-5000-21
28
Large Clamp Band Assy.
2
04-7300-03-500
04-7300-03-500
04-7300-05-500
04-7300-05-500
29
Small Clamp Band Assy.
8
04-7100-03-500
04-7100-03-500
04-7100-05-500
04-7100-05-500
30
Manifold, Discharge Elbow
2
04-5230-20
04-5230-21
04-5230-20
04-5230-21
31
Manifold, Inlet Elbow
2
04-5220-20
04-5220-21
04-5220-20
04-5220-21
32
Manifold, Tee Section
2
04-5160-20
04-5160-21
04-5160-20
04-5160-21
33
Carriage Bolt, RHSN (5/16”- 18 x 2.50”)
4
04-6070-03
04-6070-03
04-6070-05
04-6070-05
34
Hex Nut, Heavy (5/16”-18)
20
08-6400-03
08-6400-03
08-6400-05
08-6400-05
35
Carriage Bolt, RHSN (5/16”- 18 x 2.00”)
16
08-6050-03-500
08-6050-03-500
08-6050-05-500
08-6050-05-500
36
Tee Section O-Ring (Ø2.734” x Ø.139”)
4
*
*
*
*
Muffler 1” (not Shown)
1
15-3514-99 15-3514-99 15-3514-99 15-3514-99
1
Air Valve Assembly includes items 2 and 3.
2
Center Block Assembly includes items 10, 11, 15 and 16.
DIN Flange: Polypropylene = P/N 04-5160-20-504 PVDF=P/N 04-5160-21-504
0502 Specialty Code = PFA Coated Hardware
0504 Specialty Code = DIN Flange
*Refer to Elastomer Chart in Section 10
All boldface items are primary wear parts.
WIL-10161-E-01
35
WILDEN PUMP & ENGINEERING, LLC
PX4 PLASTIC
R U B B E R / T P E - F I T T E D / 3 - P I E C E C E N T E R S E C T I O N
PA R T S L I S T I N G
E X P L O D E D V I E W A N D P A R T L I S T I N G S