Center
Center
Center Section
Section
Section
Sample Configuration Number:
Pump
Model
Pump
Size
Wetted
Parts
Air
Section
Seats
Balls
Diaphragms
Connections
Options
Certifications
VA-2H
52
X
S
S
S
ST
TF
TS
D5
SB
21
Ref
Ref
Ref
Part
Part
Part
Description
Description
Description
Qty
Qty
Qty
HOUSING, center, assembly
819.0247
S
101
819.0552
E
1
GASKET, air cover kit; pkg of 2
819.0444
use with TS diaphragms
102
812.0135
use with all diaphragms except
TS diaphragms
1
COVER, air,
includes Ref. 25
819.0547
S
103
819.0510
E
2
104
819.4297
SCREW
12
105†
— — —
CARRIAGE, assembly
1
106†
— — —
U-CUP
4
107
819.0439
SCREW, pkg of 9
10
Ref
Ref
Ref
Part
Part
Part
Description
Description
Description
Qty
Qty
Qty
108†
— — —
O-RING
2
COVER
819.0259
S
109
819.0557
E
1
110†
— — —
PLATE, valve
1
111
819.0452
BEARING, shaft, pkg of 2
1
112
819.4288
PIN, push
2
113
819.4287
BEARING, pin
2
114
819.0451
PISTON, pkg of 2
1
115
819.0452
BEARING, piston, pkg of 2
1
116†
— — —
BLOCK, pilot
1
118†
— — —
GASKET, cover
1
†
Included in Air Valve Repair Kit 819.0664.
812.0065
25