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Parts
25R457 Higher Flow Air Operated
25R487 Lower Flow Air Operated
Ref.
Part
Description
1
19Y643 (25R457) ADAPTER
19Y623 (25R487) ADAPTER†
2††
19Y646 (25R457) DIAPHRAGM
172193 (25R487) DIAPHRAGM
3††
19Y647 (25R457) GASKET*
171912 (25R487) GASKET†
4††
171913 GASKET
5††
19Y630 RETAINER, DIAPHRAGM,
PLATE, 2-PIECE
6††
19Y626 RETAINER, DIAPHRAGM, STUD,
2-PIECE
7††
19Y948 (25R457) PLATE, DIAPHRAGM,
FLUID, STEEL, 3.4" diameter
164864 (25R487) PLATE, DIAPHRAGM,
2.5" diameter
8††
100111 NUT
9
166612 (25R457) PACKING, O-RING
111603 (25R487) PACKING, O-RING
10
19Y652 (25R457) SEAT
19Y624 (25R487) SEAT
11
19Y651 (25R457) BODY, FLUID
19Y622 (25R487) BODY, FLUID
12†† 101682 SCREW, CAP, SCH*†
25R457: Qty 10
25R487: Qty 6
Purchase conversion kits separately:
*
Parts included in Conversion Kit 25T509.
† Parts included in Conversion Kit 25T508.
See Conversion Kits on page 13.
†† Included in Diaphragm Kits 25R842 and 25T507.
10
Ref.
Part
Qty.
1
13†† 19C044 (25R487) GASKET
1
15
25R448 (25R457) HOUSING, AIR
1
25R489 (25R487) HOUSING, AIR
1
1
15a
19Y628 HOUSING, DIAPHRAGM*†
1
15b
19Y627 ROD, PISTON*†
1
15c
192194 (25R457) PLATE, SUPPORT
1
15J461 (25R487) WASHER, SUPPORT,
1
15d
C20811 SCREW, SOCKETHEAD, FLAT*†
1
15e
180979 DIAPHRAGM*†
15f
180981 COVER, DIAPHRAGM*†
1
15g
114104 SCREW, MACHINE, HEX WASH
1
16
101970 PLUG, PIPE
1
17
187876 GAUGE, PRESSURE, FLUID
1
18†† 157277 PACKING, O-RING
1
24
151519 FITTING, NIPPLE, REDUCING
1
1
1
10/6
Description
SECTION*
SECTION†
WASHER, 5.3" diameter*
3.0" diameter*†
HEAD*†
(optional)
Qty.
1
1
1
1
1
1
1
1
1
1
12
1
1
1
1
3A7527B
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