User Guide

21
MAINTENANCE MANUAL MODELS 825Y, 825YA, 825, 825D, 825YD & 826YD
DESCRIPTION
SIZE
2
1
/2"
SIZE
3"
SIZE
4"
SIZE
6"
SIZE
8"
SIZE
10"
Relief Valve Assembly (121) (825)
905-526 905-100 905-101 905-101 905-522 905-522
(825D)
905-100 905-100 905-100 905-101 905-522 905-522
Spring Assembly #1 Check
(3, 4A, 5, 6, 7, 7A, 10, 11, 15, 51)
905-085
905-087 902-466 902-468 902-470 902-472
Spring Assembly #2 Check
(3, 4, 5, 6, 7, 7A, 7B, 9, 10, 11, 15, 51)
905-086
905-088 902-467 905-469 902-471 902-473
Seat Ring Kit (2, 2A, 12)
902-386 902-385 902-384 902-383 902-382 902-381
Rubber Parts, CI & DI Boddies (11, 14, 51)
905-059 905-060 905-061 905-062 905-063 905-064
Relief Valve Kit (Rubber Parts)
(26, 27, 32, 39, 49, - 2 ea.)
905-066 905-066 905-067 905-067 905-067 905-067
LG Mounting Kit (16, 17, 17A, 40, 41, Both Ends)
905-036 905-037 905-038 905-039 905-040 905-041
**
Assemblies / Kits: Model 825
Model 825 (2
1
/2–10") Cast Iron Body
Figure No. 13
Model 825 (2
1
/2–10") Parts (Continued)
* Quantity required per valve.
36
121
Relief Valve for Model
825YD
(see Figure No. 17 on page
25 for exploded view)
* Denotes Commercial Parts Available (see pages 31-33).
Some parts are sold in kits only. Consult Parts Price List for specifics.
44
43
42*
41*
40*
1, 1A Body
17A
17*
42A*
16
50
2A
2
12
14
4
13*
4–10" Only
Disc Holder & Spring
Assembly (for 21/2–3",
see Figure No. 14)
**825YD Relief valve is used for replacement. See Figure 18 on page 26 for details.