22
MAINTENANCE MANUAL MODELS 825Y, 825YA, 825, 825D, 825YD & 826YD
ITEM
NO.
DESCRIPTION QTY
.*
SIZE
2½"
SIZE
3"
SIZE
4"
SIZE
6"
SIZE
8"
SIZE
10"
2 Seat
Ring
2 101-145 101-144 101-136 101-137 101-138 101-139
2A Bushing
2 500-291 500-291 500-292 500-292 780-282 780-282
2C Washer
6 360-079 360-079 360-078 360-078 360-078 360-078
2D Capscrew
6 519-513-04
519-513-04
51
1-514-06 51
1-514-06 51
1-514-06 51
1-514-06
3
Guide
2
----- --
---
190-001 190-002 190-003 190-004
4 Cover
2 902-497 902-498 902-499 902-500 902-501 902-502
4A Bushing
2 780-312 780-312 780-313 780-313 780-313 780-313
5
Disc Holder
2 190-013 190-014 190-005 190-006 190-007 190-008
6
Disc Washer
2 190-016
190-017
190-009
190-010
190-01
1 190-012
7
Stem
2 780-332 780-333 780-334 780-335 780-336 780-337
7A Screw
2
----- --
---
511 -515-08
51 1-515-08 51
1-515-08 51
1-515-08
7B Washer
2
----- --
---
780-338 780-338 780-338 780-338
9 Spr
ing (Outlet)
780-341 780-342 780-343 780-344 780-345 780-346
10 Spr
ing (Inlet)
780-349 780-350 780-351 780-352 780-353 780-354
11 Seat
Disc
2 780-357 780-358 780-359 780-360 780-361 780-362
12
O-ring (Seat Ring)
2
398-237-72 398-242-72 398-253-72 398-263-72 398-272-72 398-274-72
13
Capscrew
16/24 51
1-516-08 51
1-516-08 51
1-517-10 51
1-519-12 51
1-520-12 51
1-520-14
14 O-
ring (Cover )
2 398-346-72
398-354-72
398-365-72
398-374-72
398-379-72
398-381-72
15 Locknut
2 521-547-00
521-547-00
521-550-00
521-550-00
521-551-00
521-551-00
16 Gasket
3 780-365 780-366 780-367 780-368 780-369 780-370
17 Bol
t
10 51
1-019-18 51
1-019-20 --
---
----- --
---
--- --
17 Bol
t
18 --
---
----- 51
1-019-22 51
1-020-26 51
1-020-28
17 Bol
t
36 --
---
----- --
---
----- --
---
511 -021-30
17A Nut
14 521-019-00
521-019-00 --
---
----- --
---
--- --
17A Nut
30 --
---
----- 521-019-00
521-020-00
521-020-00 --
---
17A Nut
36 --
---
----- --
---
----- --
--- 521-021-00
17B Stud
2 513-019-26
513-019-26 --
---
----- --
---
--- --
17B Stud
6
----- --
--- 513-019-26
513-020-32
513-020-32 --
---
39 Nippl
e
1 573-181-81
573-181-81
573-181-81
573-183-
11 573-183-
11 573-183-
11
40 Plug
Cock
4 781-047 781-047 781-047 781-048 781-048 781-048
41 Nippl
e
3 571-181-44
571-181-44
571-181-44
571-181-55
571-181-55
571-181-55
41A Nippl
e
2 571-181-43
571-181-43
571-181-43
571-181-53
571-181-53
571-181-53
41B Te
e
571-131-42 571-131-42 571-131-42 571-131-52 571-131-52 571-131-52
43 Tube
Fi
tting 90º
1
571-231-23 571-231-23 571-231-23 571-231-23 571-231-23 571-231-23
43A Tube
Fi
tting
1 571-21
1-23 571-21
1-23 571-21
1-23 571-21
1-23 571-21
1-23 571-21
1-23
50 Ai
r Vent
4 9594A1
10 9594A1
10 9594A1
10 9594A1
10 9594A1
10 9594A1
10
51 O-
ring
2 398-014-72
398-014-72
398-1
16-72 398-1
16-72 398-1
18-72 398-1
18-72
Check Valve Body: Model 825D & 825YD
(See Page 24 for Assemblies and Kits)
Model 825 Type D and YD (2
1
/
2
–10") Parts
* Quantity required per valve.
ITEM
NO.
DESCRIPTION
SIZE
2½"
SIZE
3"
SIZE
4"
SIZE
6"
SIZE
8"
SIZE
10"
42 Resil
ient Sealed NRS (I nlet)
781-005 781-006 781-007 781-008 781-009 781-010
42 Resil
ient Sealed OS&Y (I nlet)
780-891 780-893 780-895 780-897 780-899 780-901
42A Resil
ient Sealed NRS (O utlet)
781-011 781-012 781-013 781-014 781-015 781-016
42A Resil
ient Sealed OS&Y (O utlet)
780-890 780-892 780-894 780-896 780-898 780-900
Shutoffs: Model 825D & 825YD
(Parts List continued on page 24)