Center
Center
Center Section
Section
Section
Sample Configuration Number
Pump
Model
Wetted Section
Material
Drive Center Section
and Air Valve
Material
Manifolds Seats Checks Diaphragms Seals Certifica-
tion
1590
HS
P
SP1A
SP1A
SP1A
SSA
SS
PT
PS
EP
21
Ref
Ref
Ref
Part
Part
Part
Description
Description
Description
Qty
Qty
Qty
101
HOUSING, center, assembly 1
15K009
HS, 3-A
15K010
PH
102
GASKET, air cover kit; pkg
of 2
1
25P113
use with PS diaphragms
25P114
use with all diaphragms
except PS diaphragms
103
COVER, air
2
15G668
HS, 3-A
15G694
PH
104
25P125
SCREW, pkg of 12
1
105†
248904
CARRIAGE assembly
1
106†
112181
U-CUP
4
107
116344
SCREW
10
Ref
Ref
Ref
Part
Part
Part
Description
Description
Description
Qty
Qty
Qty
108†
157628
O-RING
2
COVER
25P128
HS, 3-A
109
25P129
PH
1
110†
15H178
PLATE, valve
1
111
188609
BEARING, shaft
2
112
188610
PIN, push
2
113
188611
BEARING, push
2
114
188612
PISTON
2
115
188613
BEARING, piston
2
116†
188614
BLOCK, pilot
1
118†
188618
GASKET, cover
1
†
Included in Air Valve Repair Kit 255122.
3A6781D
25