18
Type Y602-12 Vent Assembly, Plastic
27A5516X012
19* Stem Guide Seal Assembly
Types 161EBM and 161EBHM
Stainless steel seal and
seal retainer with Nitrile (NBR) O-ring
10B8711X012
22
O-ring (Types 161EBM and 161EBHM)
10A0904X012
23
O-ring (Types 161EBH and 161EBHM)
10A7777X012
38
Lower Spring Seat
18B1248X012
Type 161AY or 161AYM Pilot (Figure 20)
Parts Kit (included are keys 10, 11, 12, 13, 15, 25,
30, 31, 33, 45, 48 and 49)
RY690AX0012
1
Body, Cast iron
1E987119012
2
Cap Screw (2 required)
1C856228992
3
Spring Case Assembly, Ductile iron
13B0109X042
4
Lower Casing, Ductile iron
Type 161AY
17B5352X012
Type 161AYM
47B3063X012
5
Orifice, 303 Stainless steel
3/32 in. / 2.4 mm
0R044135032
1/4 in. / 6.4 mm
0B042035032
1/8 in. / 3.2 mm
1A936735032
6
Control Spring
6 to 15 in. w.c. / 15 to 37 mbar
1B653927022
0.5 to 1.2 psig / 34 to 83 mbar
1B537027052
1.2 to 2.5 psig / 83 mbar to 0.17 bar
1B537127022
2.5 to 4.5 psig / 0.17 to 0.31 bar
1B537227022
4.5 to 7 psig / 0.31 to 0.48 bar
1B537327052
7
Diaphragm Head (2 required)
17B9723X032
8
Pusher Post
27B5354X012
10 Diaphragm
Nitrile (NBR)
37B9720X012
Fluorocarbon (FKM)
23B0101X052
11
Body Seal
Nitrile (NBR)
1H993806992
Fluorocarbon (FKM)
1H9938X0012
12
Insert Seal
Nitrile (NBR)
1B885506992
Fluorocarbon (FKM)
1B8855X0012
13
Disk Assembly
Nitrile (NBR)
1C4248X0202
Fluorocarbon (FKM)
1C4248X0052
14 Stem
17B3423X012
15
Cotter Pin
1A866537022
16
Lever Assembly
1B5375000B2
17
Machine Screws (2 required)
19A7151X022
18
Guide Insert
27B4028X022
21
Hex Nut
1A354024122
22
Closing Cap
Plastic (standard)
T13524T0062
Steel 1E422724092
23
Hex Nut (8 required)
1A352724122
24
Cap Screw (8 required)
1A352524052
25
Closing Cap Gasket
1P753306992
26
Vent Assembly
Spring Case Down (Type Y602-1)
Type Y602X1-A1
Spring Case Up (Type Y602-11)
Type Y602X1-A11
Spring Case Sideways (Type Y602-12)
Type Y602X1-A12
27
Pipe Plug, Type 161AY only
1A369224492
30
Stem Seal O-ring, Type 161AYM only
Nitrile (NBR)
1H2926G0012
Fluorocarbon (FKM)
1H2926X0022
31
Throat Seal, Type 161AYM only
Nitrile (NBR)
1D682506992
Fluorocarbon (FKM)
1D6825X0012
33
Machine Screw, Type 161AYM only
18A0703X022
35
Adjusting Screw
1B537944012
37
Spring Holder
1R982025072
38
Machine Screw
10B6189X022
*Recommended Spare Part
129 Socket Head Screw, Stainless steel
For NPS 1, 1-1/4 x 1 and 2 x 1 / DN 25, 32 x 25
and 50 x 25 only
1D6170X0012
130 Lock Washer, Stainless steel
For NPS 1, 1-1/4 x 1 and 2 x 1 / DN 25, 32 x 25
and 50 x 25 only
1A329128982
131 Upper Adaptor (NPS 2 x 1 / DN 50 x 25 body only)
29B5963X012
132 Lower Adaptor (NPS 2 x 1 / DN 50 x 25 body only)
19B5964X012
133* O-ring
NPS 2 x 1 / DN 50 x 25 body only
Nitrile (NBR)
1F262906992
Fluorocarbon (FKM)
1F2629X0012
NPS 8 / DN 200 body only
1N3330X0032
136 Stud, Steel
(NPS 8 / DN 200 body only) (8 required)
11A5189X282
137 Lower Spring Seat, Stainless steel
NPS 8 / DN 200 body only
GE09140X012
140 Bushing, Carbon Steel
NPS 6, 8 x 6 and 12 x 6, 8 / DN 150,
200 x 150 and 300 x 150, 200 bodies
1C379026232
143 Lifting Flange
NPS 8 / DN 200 body only
30C1724X012
144 Yoke Locknut
NPS 8 / DN 200 body only
1E832723062
161EB Series Pilots (Figure 19)
Key Description
Part Number
Type 161EB Parts Kit, Nitrile (NBR)
(included are keys 4, 6, 7 and 15)
5 to 200 psig / 0.34 to 13.8 bar
R161X000012
200 to 350 psig / 13.8 to 24.1 bar
R161X000022
Type 161EBM Parts Kit, Nitrile (NBR)
(included are keys 4, 6, 7, 15, 17, 19 and 22)
5 to 200 psig / 0.34 to 13.8 bar
R161MX00012
200 to 350 psig / 13.8 to 24.1 bar
R161MX00022
Type 161EBH Parts Kit, Nitrile (NBR)
(included are keys 4, 6, 7 ,15 and 23)
R161HX00012
Type 161EBHM Parts Kit, Nitrile (NBR)
(included are keys 4, 6, 7 ,15, 19, 22 and 23)
R161HMX0012
1
Body Assembly, CF8M Stainless steel
Types 161EB and 161EBH
1B7971X0252
Types 161EBM and 161EBHM
30B8715X012
2
Spring Case, Stainless steel
27B9722X012
3
Body Plug, Stainless steel
1B7975X0052
4*
Valve Plug,
Nitrile (NBR) with stainless steel stem
20B9389X052
Fluorocarbon (FKM) with stainless steel stem
20B9389X062
6
Plug Spring, Stainless steel
1E701337022
7*
Diaphragm Assembly, Diaphragm
with Stainless steel diaphragm plate
See Table 15
8
Control Spring Seat, Plated steel
See Table 15
9
Control Spring, Zinc-plated steel
See Table 15
10
Diaphragm Limiter, Stainless steel
See Table 15
11
Adjusting Screw, Plated steel
See Table 15
12
Locknut, Zinc-plated steel
1D667728982
13
Machine Screw (6 required)
Types 161EB and 161EBM, Stainless steel
1V4360T0012
Types 161EBH and 161EBHM, Plated steel
T12980T0012
14
Pipe Plug
Types 161EB and 161EBH
1A767535072
15
Body Plug O-ring, Nitrile (NBR)
1F113906992
16
Closing Cap
Nylon (PA)
24B1301X012
Metal, for pressure loading
Types 161EB and 161EBM only
17B1406X012
17* Closing Cap Gasket,
Pressure loading for metal closing cap
Types 161EB and 161EBM only
1C659804022
Key Description
Part Number
Key Description
Part Number
29
Type EZR