AERCO ECS Retrofit - Manual (Page 27)

27
PARTS LIST TABLE FOR VALVE ASSEMBLY SIZES 2.50” TO 4.00”
VALVE SIZE AND PART NUMBERS
ITEM QTY PART NAME 2.50 INCH 3.00 INCH 4.00 INCH
1 1 VALVE BODY 20765-1 20766-1 20775
2 1 SEAT CAGE 16961 161004 161046
3 1 BOTTOM PISTON 16962 161007 161048
4 1 PISTON RETAINING RING 122173 122173 122234
5 1 VALVE PLUG SHAFT 16972 161006 161047
6 1 TOP PISTON 16970 161005 161050
7 1 VALVE SEAT 121935 122032 122178
8 1 VALVE SEAT RETAINING DISC 121934 122031 122177
9 4 10-32 x 3/4” LG. SOCKET HD. CAP 122174 122174 122238
10 1 PILOT SPRING 122081 122232 121823
11 1 PILOT SPRING RETAINER 122082 122082 122173
12 1 VALVE STEM 122648 122658 122659
13 1 VALVE TOP GASKET 122083 122204 122203
14 4 CAP SCREW 5/8-11 x 1-1/2” LG. N/A 6-310 6-310
15 2 3/8-16 NUT (4” VALVE ONLY) N/A N/A 6-264
16 1 LOWER SHAFT 122223 122230 122224
17 2 1/4-20 NUT 6-226 6-226 N/A
18 1 PACKING NUT 122664 122665 122665
19 2 3/8-16 x 5/8” LG. CAP SREWS 54014 54014 54014
20 1 PACKING ASSY 121567 121568 121568
21 1 VALVE TOP 18781 18823 18824
22 1 SEAT BACK-UP RING 122326 122327 122328
23 1 LOCKWASHER 122666 122667 122667
24 1 SEAT CAGE GASKET 123084 123085 123086
ITEMS
25
THRU
30
NOT SHOWN
31 1 PILOT SPRING BACKUP WASHER N/A N/A 122246