Instruction Manual
D100425X012
YD and YS Valves
July 2017
30
Keys 3, 4, 9, 11, 14, and 19 (NPS 8 YD Only)
PLUG/ CAGE / STEM
KEY 3
CAGE RETAINER
KEY 4
GASKET, QTY 3,
KEY 9
SPIRAL WOUND GASKET,
KEY 11
O-RING
KEY 14
O-RING
KEY 19
Low
Temperature
High
Temperature
Low
Temperature,
Qty 1
High
Temperature,
Qty 2
Low
Temperature
Low
Temperature
27B4290X012
27B4290X022
34B9111x012
1C2515X0052
10B5412X032
10B5412X032
1H8623X0022
1D2692X0022
Keys 20, 20A, 20B, 24, and 25 (NPS 8 YD Only)
BACK-UP RING,
KEY 20A
SEAL RING,
KEY 20B
SEAL RING, QTY 3,
KEY 20
FLANGE ADAPTOR, KEY 24
BACK-UP RING,
QTY 2, KEY 25
GASKET,
QTY 2, KEY 25
Low
Temperature
Low
Temperature
High
Temperature
Low Temperature
High Temperature
Low
Temperature
High
Temperature
10A3531X032
10A3530X012
10A3532X012
CL300: 34B6974X012
CL600: 37B9811X012
CL300: 34B6974X012
CL600: - - -
12A54898X012
10A3525X042
Keys 6*, 7*, 8, and 10 Packing Box Parts
DESCRIPTION
KEY
NUMBER
STEM DIAMETER, mm (INCHES)
9.5 (3/8)
12.7 (1/2)
19.1 (3/4)
25.4 (1)
PTFE
V‐Ring
Packing
Single packing set, PTFE
(1 req'd for single, 2 req'd for double)
6
1R290001012
1R290201012
1R290401012
1R290601012
Spring, stainless steel (for single only)
8
1F125437012
1F125537012
1F125637012
1D582937012
Lantern Ring, stainless steel
(for double only)
8
1F364135072
1J962335072
0N028435072
0U099735072
Quantity required
Double
- - -
1
2
1
1
Special washer, stainless steel
(for single only)
10
1F125236042
1F125136042
1F125036042
1H982236042
PTFE/
Composition
Packing
Packing Ring, PTFE/Composition
7
1F3370X0012
1E319001042
1E319101042
1D7518X0012
Quantity required
Double
- - -
7
10
8
8
Lantern Ring, stainless steel
(1 required for double)
8
1F364135072
1J962335072
0N028435072
0U099735072
Graphite
Ribbon/
Packing
Packing Ring, graphite filament
7
1F3370X0322
1E3190X0222
1E3191X0282
1D7518X0132
Quantity required
Single
Double
- - -
- - -
2
4
2
4
3
5
3
5
Packing ring, graphite ribbon
7
1V3160X0022
1V3802X0022
1V2396X0022
1U6768X0022
Quantity required
Single
Double
- - -
- - -
2
3
2
3
2
3
2
3
Lantern ring, S31600 (316 SST)
8
1F364135702
1J962335072
0N028435072
0U099735072
Quantity required
Single
Double
- - -
- - -
2
1
3
2
2
1
2
1
ENVIRO‐SEAL Bellows Seal Parts
Key
Description
Part Number
1
Bonnet/ENVIRO‐SEAL bellows seal bonnet
If you need a bonnet or an ENVIRO‐SEAL bellows seal bonnet as a
replacement part, order by valve size and stem
diameter, serial number, and desired material.
3
ENVIRO‐SEAL bellows seal packing flange
4
ENVIRO‐SEAL bellows seal stud bolt
5
ENVIRO‐SEAL bellows seal hex nut
6*
ENVIRO‐SEAL bellows seal packing set
PTFE for 9.5 mm (3/8 inch) stem (1 req'd
for single packing, 2 req'd for double
packing)
12A9016X012
PTFE for NPS 2 with 12.7 mm (1/2 inch)
Key
Description
Part Number
stem (2 req'd for double packing)
12A9016X012
PTFE for NPS 3 and 4 with 12.7 mm
(1/2 inch) stem (2 req'd for double
packing)
12A8832X012
7*
ENVIRO‐SEAL bellows seal packing ring
for low chloride graphite ribbon/filament
packing arrangement
Ribbon packing ring for 9.5 mm (3/8 inch)
and NPS 2 with 12.7 mm (1/2 inch) stem
(4 req'd)
18A0908X012
Filament packing ring for 9.5 mm
(3/8 inch) and NPS 2 with 12.7 mm
(1/2 inch) stem (4 req'd)
1P3905X0172
Ribbon packing ring for NPS 3 and 4
with 12.7 mm (1/2 inch) stem (4 req'd)
18A0918X012
*Recommended spare parts
