|
Style# |
Desription |
Construction |
Service |
Temperature |
pH |
Shaft Speed |
Pressure psig |
|
851 |
Made of lubricated and graphite lead foil twisted where packing must double as a bearing. Due to low friction, will not score or wear equipment.. |
Twisted over braided core |
Superior boiler feed pump packing and as end rings in combination with a variety of packing. Against water, oil, gasoline, and other fluids on steel or cast iron rods, shafts, or plungers. |
+500°F |
4-10 |
1000 fpm |
1000+ |
|
811 |
All pressure resistance, lead foil properties and service applications of 851 without a core. Due to low friction, will not score or wear equipment. |
Twisted lead foil |
Superior boiler feed pump packing and as end rings in combination with a variety of packing. Against water, oil, gasoline, and other fluids on steel or cast iron rods, shafts, or plungers. |
+500°F |
4-10 |
1000 fpm |
1500+ |
|
864 |
Special construction uses lubricated/ graphite aluminum foil twisted around braided core. Long-life sealing service at elevated temperatures and pressures. |
Twisted over braided core |
Service on still necks, valves, centrifugal and reciprocating pumps, and slip type expansion joints. |
+1000°F |
4-10 |
1000 fpm |
1000 |
