ENVIRO-SEAL System Sliding-Stem Valves E-Body Packing (ENVIRO-SEAL Duplex) (see figure 7) STEM SIZE, INCHES (mm) KEY NUMBER
3/8 (9.5)
DESCRIPTION
1/2 (12.7)
3/4 (19.1)
1 (25.4)
1-1/4 (31.8)
PN
QTY
PN
QTY
PN
QTY
PN
QTY
PN
QTY
200
Stud, SA-193-CL 2 (B8M), Strain Hardened
1E944135222
2
1E944435222
2
1E944935222
2
0V002535222
2
0W086935222
2
201
Packing Flange, S31600 (316 SST)
12B6923X012
1
12B6924X012
1
12B6925X012
1
12B6654X012
1
12B6680X012
1
207*
Guide Bushing, Carbon-Graphite
12B5780X012
4
12B5782X012
4
12B5784X012
4
12B5786X012
4
12B5788X012
4
209*
Packing Ring, Graphite Composite
12B5798X012
2
12B5799X012
2
12B5800X012
2
12B5801X012
2
12B5802X012
2
211*
Packing Box Ring, S31600
12B5774X012
1
12B5775X012
1
12B5776X012
1
12B5777X012
1
12B5778X012
1
212
Packing Nut SA-194-8M Strain Hardened S31600
1E944035252
2
1E944535252
2
1E944635252
2
1A343335252
2
1A368135252
2
213
Anti-Seize Lubricant
214*
Packing Washer
12B6936X012
3
12B6937X012
3
12B6938X012
3
12B6939X012
3
12B6940X012
3
215*
Packing Set,, PTFE-Carbon/PTFE
12B6663X012
1
12B6667X012
1
12B6671X012
1
12B6675X012
1
12B6679X012
1
216
Lantern Ring, S31600
24B7529X012
1
24B7530X012
1
0N028435072
1
0U099735072
1
0W087135072
1
217
Spring Pack Assembly
12B6921X062
1
12B6921X072
1
12B6921X082
1
12B6921X092
1
12B6921X102
1
Not furnished with packing. Use NEVER-SEEZ NICKEL SPECIAL (P/N NSN-8) lubricant or equivalent purchased from any supplier.(1)
* Recommended spare part. 1. Key 213 anti-seize lubricant is used only on packing bolting (keys 200 and 212). Never use lubricant on ENVIRO-SEAL packing.
200
213
212 201 217
207 215
216 207
209
207
214
211 207
24B9310 A6722/IL
Figure 7. ENVIRO-SEAL Duplex Packing for E-Body Valves
11