ENVIRO-SEAL System Sliding-Stem Valves Design SC Packing (see figures 6 and 9) YOKE BOSS SIZE, INCHES KEY NUMBER
PACKING TYPE
DESCRIPTION
2-1/8
2-13/16 Qty
PN
Qty
PN
Qty
200
Stud, SA-193-CL 2 (B8M), Strain Hardened
PTFE
1E944135222
2
1E944435222
2
1E944935222
2
201
Packing Flange, S31600 (316 SST)
PTFE
12B6923X012
1
12B6924X012
1
12B6925X012
1
211*
Packing Box Ring, S31600
PTFE
1J873135072
1
1J873235072
1
1J873335072
1
212
Packing Nut SA-194-8M Strain Hardened
PTFE
1E944035252
2
1E944535252
2
1E944635252
2
213
Lubricant, Oxy-Lube
PTFE
214*
Anti-Extrusion Washer, PTFE filled
PTFE
12B6336X022
4
12B6335X022
4
12B6660X012
4
215*
Packing Set, PTFE-Carbon/PTFE
PTFE
12B6663X022
2
12B6667X022
2
12B6671X022
2
216
Lantern Ring, S31600
PTFE
22B6943X012
1
22B6944X012
1
0N028435072
2
Not furnished with packing. Use OXY-LUBE (FEL-PRO P/N 51272). DRILUBE 703 lubricant or equivalent purchased from any supplier.
*Recommended spare part.
A6147 / IL
Figure 8. Design CE or GL Valve Bonnet with 7, 9, and 10-Spring ENVIRO-SEAL Graphite Packing
12
3-9/16
PN