Instruction Manual
D100425X012
YD and YS Valves
July 2017
31
Key
Description
Part Number
Filament packing ring for NPS 3 and 4
with 12.7 mm (1/2 inch) stem (4 req'd)
14A0915X042
8
ENVIRO‐SEAL bellows seal spring
8
ENVIRO‐SEAL bellows seal spacer
12*
ENVIRO‐SEAL bellows seal upper wiper
For 9.5 mm (3/8 inch) and NPS 2 with 12.7 mm
(1/2 inch) stem
18A0868X012
For NPS 3 and 4 with 12.7 mm (1/2 inch)
stem
18A0870X012
13*
ENVIRO‐SEAL bellows seal bushing
For 9.5 mm (3/8 inch) stem (1 req'd),
for NPS 2 with 12.7 mm (1/2 inch) stem
(2 req'd)
S31600/PTFE
18A0820X012
R30006
18A0819X012
S31600/Cr Coated
11B1155X012
For NPS 3 and 4 with 12.7 mm (1/2 inch)
stem (1 req'd)
S31600/PTFE
18A0824X012
R30006
18A0823X012
S31600/Cr Coated
11B1157X012
13*
ENVIRO‐SEAL bellows seal bushing/liner
For 9.5 mm (3/8 inch) stem (1 req'd),
for NPS 2 with 12.7 mm (1/2 inch) stem
(2 req'd)
N10276 bushing, PTFE/glass liner
12B2713X012
N10276 bushing, PTFE/carbon liner
12B2713X042
For NPS 3 and 4 with 12.7 mm (1/2 inch)
stem (1 req'd)
N10276 bushing, PTFE/glass liner
12B2715X012
N10276 bushing, PTFE/carbon liner
12B2715X042
15
ENVIRO‐SEAL bellows seal Locknut
16
ENVIRO‐SEAL bellows seal pipe plug (2 req'd)
20*
ENVIRO‐SEAL bellows seal stem/bellows
assembly
1 Ply Bellows
S31600 trim mat'l, N06625 bellows mat'l
Key
Description
Part Number
NPS 1 w/ 9.5 mm (3/8 inch) stem
32B4224X012
NPS 1‐1/2 w/ 9.5 mm (3/8 inch) stem
32B4225X012
NPS 2 w/ 12.7 mm (1/2 inch) stem
32B4226X012
NPS 3 w/ 12.7 mm (1/2 inch) stem
32B4227X012
NPS 4 w/ 12.7 mm (1/2 inch) stem
32B4228X012
N06022 trim mat'l, N06022 bellows mat'l
NPS 1 w/ 9.5 mm (3/8 inch) stem
32B4224X022
NPS 1‐1/2 w/ 9.5 mm (3/8 inch) stem
32B4225X022
NPS 2 w/ 12.7 mm (1/2 inch) stem
32B4226X022
NPS 3 w/ 12.7 mm (1/2 inch) stem
32B4227X022
NPS 4 w/ 12.7 mm (1/2 inch) stem
32B4228X022
2 Ply Bellows
S31600 trim mat'l, N06625 bellows mat'l
NPS 1 w/ 9.5 mm (3/8 inch) stem
32B4224X032
NPS 1‐1/2 w/ 9.5 mm (3/8 inch) stem
32B4225X032
NPS 2 w/ 12.7 mm (1/2 inch) stem
32B4226X032
NPS 3 w/ 12.7 mm (1/2 inch) stem
32B4227X032
NPS 4 w/ 12.7 mm (1/2 inch) stem
32B4228X032
N06022 trim mat'l, N06022 bellows mat'l
NPS 1 w/ 9.5 mm (3/8 inch) stem
32B4224X042
NPS 1‐1/2 w/ 9.5 mm (3/8 inch) stem
32B4225X042
NPS 2 w/ 12.7 mm (1/2 inch) stem
32B4226X042
NPS 3 w/ 12.7 mm (1/2 inch) stem
32B4227X042
NPS 4 w/ 12.7 mm (1/2 inch) stem
32B4228X042
22*
ENVIRO‐SEAL bellows seal bonnet gasket
(graphite laminate)
NPS 1/2 through 1
12B6316X022
NPS 1‐1/2
12B6317X022
NPS 2
12B6318X022
NPS 3
12B6319X022
NPS 4
12B6320X022
24
ENVIRO‐SEAL bellows seal adaptor
28
ENVIRO‐SEAL bellows seal nameplate, warning
29
ENVIRO‐SEAL bellows seal drive screw (2 req'd)
36*
ENVIRO‐SEAL bellows seal pin
12B3951X012
37
ENVIRO‐SEAL bellows seal warning tag
38
ENVIRO‐SEAL bellows seal tie
39
ENVIRO‐SEAL bellows seal thrust ring
*Recommended spare parts