13. Install the spring case (key 23) on the lower
casing assembly (key 20) so that the vent
assembly (key 56) is correctly oriented and secure
with the cap screws (key 21) and hex nuts (key 22)
finger tight only.
14.
In a regulator with a light control spring (see
Figure 4)
: Insert the lower control spring (key 1)
into the spring case (key 23), followed by the upper
spring seat (key 44) and the adjusting screw (key 2).
In a regulator with a heavy control spring (see
Figure 5)
: Insert the lower spring seat (key 4) and the
control spring (key 1), into the spring case (key 23),
followed by the upper spring seat (key 4) and the
adjusting screw (key 2).
15. Turn the adjusting screw (key 2) clockwise until
there is enough control spring (key 1) force to
provide proper slack to the diaphragm (key 5).
Using a crisscross pattern, finish tightening the cap
screws (key 21) and hex nuts (key 22) to 15 to
20 ft-lbs / 20 to 27 N•m of torque. To adjust the
control pressure to the desired setting, refer to the
Startup and Adjustment section.
16. Install a replacement closing cap gasket (key 35) if
necessary and then install the closing cap (key 3,
if used).
Parts ordering
When corresponding with your local Sales Office
about this equipment, always reference the
equipment serial number or FS number that can be
found on the nameplate.
When ordering replacement parts, reference the key
number of each needed part as found in the following
parts list. Separate kits containing all recommended
spare parts are available.
Parts List
note
in this parts list, parts marked nacE
are intended for corrosion-resistant
service as detailed in the nacE
international Standard MR0175
and/or MR0103.
Type Y692 Regulator (Figure 6)
Key Description
Part number
Type Y692 Parts Kit
For 1/4, 3/8 and 1/2 in. / 6.4, 9.5 and 13 mm) Orifice
Sizes (includes keys 5, 7, 14, 16, 25 and 35)
RY692X00012
For 3/4, 1 and 1-3/16 in. / 19, 25 and 30 mm) Orifice
Sizes (includes keys 5, 7, 14, 16, 25, 35, 46 and 47) RY692X00022
1
Control Spring, Plated steel
See Table 1
2
Adjusting Screw
See Table 4
3
Closing Cap
See Table 4
4
Lower Spring Seat
See Table 4
5* Diaphragm and Plate Assembly
Nitrile (NBR)
1N9722X0012
Fluorocarbon (FKM)
1N9722X0022
Ethylenepropylene (EPDM)
1N9722X0052
Silicone (VMQ)
1N9722X0062
6
Lower Diaphragm Plate
Stainless steel
0V003935032
Stainless steel (NACE)
0V0039X0022
7
Diaphragm Plate Gasket, Composition
1A348704022
8
Pusher Post
Stainless steel (also NACE)
0Y096435072
9
Lever Assembly
Stainless steel (also NACE)
1E3409X0052
11 Machine Screw (2 required)
Stainless steel
1A866935032
Stainless steel (NACE)
1A8669X0012
12 Stem Bushing, 303 Stainless steel
1F513035032
13 Stem
Stainless steel
1E767635032
Stainless steel (NACE)
1E7676X0012
14* Cotter Pin
Stainless steel
1A866537022
Stainless steel (NACE)
1A8665X00A2
15 Stem Seal (O-Ring)
Nitrile (NBR)
1E472706992
Fluorocarbon (FKM)
1N430406382
Perfluoroelastomer (FFKM)
1D6875X0082
Ethylenepropylene (EPDM)
1D6875X0032
16* Body Gasket, Composition
1A348004032
17 Split Ring, Zinc-plated steel
0Y095828982
19 Union Nut
Malleable iron
0Z0176X0032
Stainless steel
0Z017624092
Stainless steel (NACE)
0Z0176X0012
20 Lower Casing
For Internal Registration
Cast iron
3B973519012
Steel
3F191622012
Steel (NACE)
3F1916X0022
Stainless steel
3F191633092
For External Registration
Cast iron
3E767819012
Steel
39A7502X022
Stainless steel
39A7502X012
21 Diaphragm Case Cap Screw (12 required)
Zinc-plated steel
1B136324052
Stainless steel
1B136338992
*Recommended Spare Parts
7
Type Y692
