7
Installation and Maintenance Instructions
Model 461-57S Regulator
Valve Locknut – brass for
091-16-102-00
double seat assembly
12e
Valve Locknut – stainless for
091-16-102-01
double seat assembly
Valve Locknut – 3/8" – 24 Crown
903936
Nylok, for single seat assembly
12f
Valve Stem Locking Ring –
091-16-043-01
stainless for double seat assembly
12g
Set Screw – slotted headless or
907694
Hex. Soc. cup pt.
Female Valve Stem – brass for
091-16-016-00
12h
double seat assembly
Female Valve Stem – stainless for
091-16-016-03
double seat assembly
Valve Guide – brass for double
091-16-012-00
12j
seat assembly
Valve Guide – stainless for
091-16-012-02
double seat assembly
12m
Roll Pin – 1/4" x 1-1/2" Lg. for
901707
single seat assembly
O-Ring – 3/4" x 1", for single
934015
12n
seat assembly
O-Ring – 9/16" x 3/4", for 11/16"
934011
single seat assembly
13
Guide Bushing – brass, with pin
091-16-385-02
Guide Bushing – stainless, with pin
091-16-385-03
15
Tetraseal (or O-Ring), 2-3/4" x 3"
904079
16
Hex. Cap Screw – 120,000#
910030
Tensile, 5/16" - 18 x 1" (24 used)
Outlet Orifice – 1" brass
091-16-029-01
18
Outlet Orifice – 1" stainless
091-16-029-05
Outlet Orifice – 11/16" brass
091-16-029-00
Outlet Orifice – 11/16" stainless
091-16-029-04
Condensed Parts List
Illustration Part
Number
Description
Number
Inlet Orifice – 1" brass
091-16-028-01
19
Inlet Orifice – 1" stainless
091-16-028-05
Inlet Orifice – 11/16" brass
091-16-028-00
Inlet Orifice – 11/6" stainless
091-16-028-04
20a
Nipple, Orifice Plug and
091-00-361-00
Union Assembly
20c
Tee (14T)
946150
20e
Pipe Plug (1/4)
906055
22
Hex. Steel Nut – 3/8" – 16
920853
(8 used)
23
Hex. St. Bolt – 3/8" – 16 x 1-3/4"
910058
Lg. (8 used)
24
Tetraseal (or O-Ring), 4-3/8" x 4-5/8"
904085
27
Vent Cap – 1/4"
137-02-505-02
28
Housing Cover Gasket
091-00-066-30
Valve Stem Guide – stainless,
091-16-012-52
30
11/16" single seat assembly
Valve Stem Guide – stainless,
091-16-012-53
1" single seat assembly
32
Tetraseal (or O-Ring),
904086
1-1/2" x 1-3/4"
Travel Indicator Assembly
091-00-365-73
(1/4" scale)
Travel Indicator Assembly
091-00-365-75
36
(5/8" scale)
Travel Indicator Assembly
091-00-365-77
(1" scale)
Travel Indicator Assembly
091-00-365-79
(1-1/4" scale)
Window (opens down 1/4")
091-00-174-76
36a
Window (opens down 5/8")
091-00-174-80
Window (opens down 1")
091-00-174-82
Window (opens down 1-1/4")
091-00-174-84
36b
Tube Cap
950188
36c
O-Ring
950071
36d
Half Union (Imp.48F.1/4NPT)
903984
Condensed Parts List
Illustration Part
Number
Description
Number
32
33
17
34
e
d
c
a
20
33
32
17
Items in bold face type denote minimum recommended spare parts.
Items in bold face type denote minimum recommended spare parts.
Outlet Control Piping
Screwed Side Inspection Plates
Two Bolt Side Inspection Plates
