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Type 99
18
Pilot and Tubing Parts
(3)
Low or High
Pressure Pilot (Figure 9) (continued)
Key Description Part Number
33* O-ring Seal
Nitrile (NBR) 1B885506992
Fluorocarbon (FKM) 1B8855X0012
34 Connector
Brass 1D692214012
316 Stainless steel 15A6002X602
37 Yoke
Zinc 1D662544012
38* Relay Orice, Stainless steel
For use with 25 psi (1,72 bar) maximum allowable
pressure drop actuator main spring 1D373735032
For use with all other main springs 1C520135032
For use with oxygen service 1N162314042
39 Relay Valve Body, Cast iron 2J581919012
40* Lower Relay Diaphragm
Low pressure pilot
Nitrile (NBR) 1B886002052
Fluorocarbon (FKM) 1N536102332
High pressure pilot
Nitrile (NBR) 1B894202192
Fluorocarbon (FKM) 1N162702302
41 Lower Relay Diaphragm Plate, Plated steel
Low pressure pilot 1B989425072
High pressure pilot 1D558325072
42 Spring Seat, Plated steel
Low pressure pilot 1B886225072
High pressure pilot 1D558525072
43 Control Spring, Plated steel
For use only with LD low pressure pilot
0 to 4-inches w.c. (0 to 10 mbar), Orange 1B558527052
3 to 12-inches w.c. (7 to 30 mbar), Silver 1C680627222
For use with all low pressure pilots
0.25 to 2 psig (0,02 to 0,14 bar), Red 1B886327022
1 to 5 psig (0,07 to 0,34 bar), Yellow 1J857827022
2 to 10 psig (0,14 to 0,69 bar), Blue 1B886427022
5 to 15 psig (0,34 to 1,03 bar), Brown 1J857927142
10 to 20 psig (0,69 to 1,38 bar), Green 1B886527022
For use with high pressure pilot, Green stripe 0Y066427022
44 Spring Case, Cast iron
Low pressure pilot 1B983919012
High pressure pilot, Standard 1B984119012
For use with closing cap (not shown) 1H232619012
45 Adjusting Screw
Low pressure pilot, Standard, Zinc 1B537944012
Handwheel-style, Plated steel 1J496428982
O-ring seated handwheel assembly 1R759414012
High pressure pilot, Standard, Plated steel 1A279128982
For use with closing cap 1H236514012 1J881524102
46 Closing Cap
For use with standard low pressure pilot, Plastic T11069X0012
For use with handwheel-style low pressure
pilot, Brass (not shown) 1A926114012
For use with O-ring sealed handwheel 1R759314012
For use with high pressure pilot with spring
case 1H232619012, Brass (not shown) 1H236514012
47 Cap Screw, Plated steel (8 required) 1B989624052
48* Relay Disk Assembly
Brass/Nitrile (NBR) 1B8868000A2
303 Stainless steel/Nitrile (NBR) 1B8868000B2
Key Description Part Number
48* Relay Disk Assembly (continued)
Brass/Fluorocarbon (FKM) 1B8868X0012
303 Stainless steel/Fluorocarbon (FKM) 1B8868X0022
49* Bleed Valve Spring, Stainless steel
For use with low pressure pilot with relay orice
1D373735032 or bleed valve 1H951635132 1E643637022
For use with all low and high pressure pilots
Inlet pressure up to 250 psig (17,2 bar) 1C911537022
Inlet pressure over 250 psig (17,2 bar) 1N859137022
50* Bleed Valve, Stainless steel
For use with LD low pressure pilot with bleed
valve spring 1E643637022 1H951635132
For use with all low and high pressure pilots 1D986735132
51 Diaphragm Nut
Brass 1B989514012
316 Stainless steel 1B989535072
52* Bleed Orice, 316 Stainless steel 1B887335032
53 Loading Tubing
Copper 1J4928000A2
316 Stainless steel 0500213809W
54 Connector
Brass 1H628114012
316 Stainless steel 15A6002X992
55 Pipe Nipple
Plated steel (1 required with copper tubing
and 2 required with aluminum tubing) 1C488226232
316 Stainless steel 1C488238982
59 Pipe plug, Steel (not shown) 1A369224492
60 Type Y602-1 Vent Assembly 27A5516X012
68 Spring Seat
Handwheel-style low pressure pilot,
Steel, (not shown) 1J618124092
High pressure pilot, Zinc 16A9812X012
71* Closing Cap Gasket (for use only with
low pressure pilot), Neoprene (CR) 1P753306992
72 Type Y602-1 Vent Assembly (for use only with
standard high pressure pilot spring case),
Zinc/18-8 Stainless steel 17A6570X012
78 Handwheel (for use only with handwheel-style
low pressure pilot), Zinc 1J496144012
79 Machine Screw (for use only with handwheel-style
low pressure pilot), Plated steel 16A5763X012
80 Lockwasher (for use only with handwheel-style
low pressure pilot), Steel 1A352332992
81 O-ring (for use only with O-ring sealed
handwheel assembly) 1D541506992
82 Hex nut
For use only with O-ring sealed
handwheel assembly 1A351124122
For use with high pressure pilot, Plated steel 1A352224122
114* Gasket (for use only with high pressure pilot
with spring case 1H232619012), Steel/
Composition (not shown) 1B487099202
115 Adaptor (for use only with high pressure pilot with
spring case 1H232619012), Steel (not shown) 1J881624092
132 Pilot Cover (used only with complete replacement
pilot assembly for eld conversion), Cast iron 2C518619012
152 Drive Screw, 18-8 Stainless steel
(4 required for low pressure pilot and
6 required for high pressure pilot) 1A368228982
154 Drive Screw (for use only with low pressure
pilot), 18-8 Stainless steel (2 required) 1A368228982
*Recommended Spare Parts
3. An entire pilot assembly may be ordered from your local Sales Ofce.
by specifying a Type 61L, a 61H, or a 61HP pilot for eld conversion.