Type 399A-161-112
37
Figure 22. Type 161, 161H, 161M, 161HM and
161EB Series Pilot Mounting Parts
TYPE 161, 161M,
161H, 161HM, OR
161EB SERIES PILOT
30B4383-D/IL
Type 161, 161H, 161M, 161HM and 161EB
Series Pilot Mounting Parts (figure 22)
Key Description Part Number
29 Pipe Nipple, galvanized steel
For 1-inch main valve body 1N584226232
For 2-inch main valve body 1N624026232
For 3 or 4-inch main valve body 1U264426232
For 4 x 2, 6, or 6 x 4-inch main valve body 1C210026232
Type 161Y or 161YM Pilot (figure 23)
Key Description Part Number
Parts Kit (included are keys 5, 16, 25,
35, 78 and also includes key 15 used
with Type 161YM only)
For 5 to 28 w.c. ( 12 to 37 mbar) R161YX00012
For 1 to 7 psig (69 to 500 mbar) R161YX00022
1 Control Spring, Zn pl steel spring wire See following table
2 Adjusting Screw, Zn pl steel 1B537944012
3 Closing Cap, steel 1E422724092
5* Diaphragm & Head Assembly, nitrile diaphragm
w/stainless steel diaphragm plate See following table
9 Lever Assembly
Steel w/cd pl brass 1B5375000A2
302 stainless steel 1B5375000B2
Key Description Part Number
11 Machine Screw, pl steel (2 req’d)
For aluminum or brass disk assy, pl steel 1A331928982
For stainless steel disk assy,
S30400 stainless steel 1A866435042
13 Valve Stem
For Type 161Y
For aluminum or brass disk assy, brass 1A832714012
For stainless steel disk assy, 303 stainless steel1A832735172
For Type 161YM
For aluminum or brass disk assy, brass 1E375514012
For stainless steel disk assy,
303 stainless steel 1E375535172
14 Cotter Pin
15* O-ring, nitrile rubber (Type 161YM only) 1H292606992
16* Body Gasket, composition 1A832504032
17 Split Ring, cd pl steel 1A832648722
For aluminum or brass disk assy, brass 1A404018992
For stainless steel disk assy, 302 stainless steel 1A866537022
19 Union Nut, malleable iron 1E471119062
20 Lower Casing Assembly, ductile iron
For Type 161Y 31B6601X022
For Type 161YM 31B6600X022
21 Cap Screw, pl steel (8 req’d) 1A667824052
22 Hex Nut, cd pl steel, not shown (8 req’d) 1F601424122
23 Spring Case Assembly, cast iron 1B6365X0342
25* Disk Holder Assembly
Brass disk holder & nitrile disk 1A8328000C2
Stainless steel disk holder & nitrile disk 1A8328000A2
27 Orifice
Brass
3/32-inch (2.4 mm) port diameter 0R044114012
1/4-inch (6.4 mm) port diameter 0B042014012
S30300 stainless steel
3/32-inch (2.4 mm) port diameter 0R044135032
1/4-inch (6.4 mm) port diameter 0B042035032
28 Body, 3/4 x 3/4-inch size, cast iron 1D291119012
30 Relief Valve Spring Holder, brass 1C323114012
For brass disk assy, brass 2B541944012
For stainless steel disk assy,
S30300 stainless steel 1D564835032
33 Relief Valve Seat
34 Relief Valve Guide, C36000 free-cutting brass
(not shown) 1D564914012
35* Closing Cap Gasket, neoprene 1P753306992
65 Vent Assembly, plastic Type Y602-11 17A5515X012
67 Relief Valve Spring, pl steel See following table
76 Pitot Tube (for Type 161Y only)
For aluminum or brass disk assy, zinc 2D837144012
For stainless steel disk assy,
304/302 stainless steel 1D2916000A2
77 Pitot Tube Machine Screw (4 req’d)
For aluminum or brass disk assy, cd pl steel 1D884324502
For stainless steel disk assy, stainless steel 1D968438992
78 Diaphragm Gasket, Fluoroelastomer 11B3691X022
79 Restriction, Brass 1D483514012
80 Lubricant T13078T0012
81 Sealant 1M523206992
83 Baffle Plate, Stainless steel 11B4292X012
Keys 1, 5, & 67. Control Spring, Diaphragm Assembly & Relief Valve Spring For Type 161Y and 161YM Pilots
KEY 1 KEY 5 KEY 67
OUTLET PRESSURE CONTROL SPRING COLOR
Control Spring Diaphragm Assembly Relief Valve Spring
5 to 15 inches wc (12 to 37 mbar)
11 to 28 inches wc (26 to 67 bar)
Olive drab
Yellow
1B653927022
1B537027052
1B6425X0032 1C173427022
1 to 2-1/2 psig (69 to 173 mbar)
2-1/2 to 4-1/2 psig (0.2 to 0.3 bar)
4-1/2 to 7 psig (0.3 to 0.5 bar)
Light green
Light blue
Black
1B537127022
1B537227022
1B537327052
1B6424X0032 1B541327022
*Recommended Spare Part
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