Y690VB Series
6
Table 3. Body Materials and Part Numbers (Key 1)
Parts List
Key Description
Part Number
Spare Parts Kit (Stainless steel/Nitrile Construction)
Included are keys 10, 11, 12, 13, 15,
25, 30, 31, 33, and 45
RY690AX0012
1
Body
See Table 3
2
Cap Screw
Ductile iron
1C856228992
Stainless steel
18B3456X012
3
Spring Case Assembly
Ductile iron
17B8946X012
Stainless steel
17B8946X022
4
Diaphragm Casing
Ductile iron
47B3063X012
Stainless steel
47B3064X012
5
Orifice
S30300 Stainless steel
1/4-inch (6,4 mm)
1B815135032
1/2-inch (12,7 mm)
1A928835032
6
Spring
See table 2
7
Diaphragm Head (2 required)
Stainless steel
17B9723X032
8
Pusher Post Assembly
Stainless steel
17B9742X012
10* Diaphragm
Nitrile
37B9720X012
Fluoroelastomer (FKM)
23B0101X052
11* Body Seal O-Ring
Nitrile (NBR)
1H993806992
Fluoroelastomer (FKM)
1H9938X0012
12* Insert Seal
Nitrile (NBR)
1B885506992
Fluoroelastomer (FKM)
1B8855X0012
13* Disk Assembly
S30300 Stainless steel with
Nitrile (NBR)
1C4248X0202
Fluoroelastomer (FKM)
1C4248X0052
14
Stem
17B3423X012
15* Cotter Pin
Stainless steel
1A866537022
Key Description
Part Number
16
Lever Assembly
Stainless steel
1B5375000B2
17
Machine Screw (2 required)
Stainless steel
19A7151X022
18
Guide Insert
Stainless steel
27B4028X022
19
Upper Spring Seat
1A201824092
20
Adjusting Nut
17B9740X012
21
Hex Nut
1A345724122
22
Closing Cap
Standard
1B541644012
Steel
1E422724092
23
Hex Nut, not shown (8 required)
Ductile iron
1A352724122
Stainless steel
1E9440X0302
24
Diaphragm Case Cap Screw (8 required)
Ductile iron
1A352524052
Stainless steel
18B3455X012
25* Closing Cap Gasket
1P753306992
26
Vent Assembly
Spring Case Up (standard)
17A6570X012
Spring Case Down
17A6571X012
27
Pipe Plug
Ductile iron
1A369224492
Stainless steel
1A369235072
28
Lubricant
30* Stem Seal (Type Y690VBM only)
Nitrile
1H2926G0012
Fluoroelastomer (FKM)
1H2926X0022
31* Throat Seal (Type Y690VBM only)
Nitrile
1D682506992
Fluoroelastomer (FKM)
1D6825X0012
33
Machine Screw (Type Y690VBM only)
18A0703X022
36
Washer
18B3440X012
45* Lower Head Gasket
18B3450X012
46
Nameplate
47
Drive Screw (2 required)
1A368228982
50
Backup Ring
18B3446X012
L
A
I
R
E
T
A
M
Y
D
O
B
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L
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N
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N
N
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C
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0
2
N
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(
y
d
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B
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-
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5
2
N
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2
1
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1
5
3
5
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7
1
2
2
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1
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3
5
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7
1
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1
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3
5
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4
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3
5
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7
1
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R
0
5
1
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2
7
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3
3
7
9
B
7
1
2
8
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3
3
7
9
B
7
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3
3
7
9
B
7
1
2
2
0
X
3
3
7
9
B
7
1
*Recommended spare part
