
Instruction Manual
D100425X012
YD and YS Valves
October 2014
31
Key Description Part Number
FilamentpackingringforNPS3and4
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 b ellows 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
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