Compression Packing

Installation Guide

Cross-Sectional Tolerances

The most complete range of products on the market.

UTEX manufactures a complete line of compression packing at its Weimar, Texas plant. On-site yarn coating and drying facilities, combined with a variety of braiding machines, allow production of the highest quality, most consistent compression packing products available. A research staff constantly develops improved methods of production and testing to allow UTEX to remain in the forefront of the industry. New yarns and fibers are constantly being tested in an effort to provide better sealing solutions for all markets.

Metallic Compression Packing

Style Rotary Reciprocating Valve Applications
609 Yes Yes Yes Water, oils, steam, hydraulic fluids, mild chemicals. Recommended for centrifugal oil pumps, boiler feed pumps, condensate pumps, reciprocating applications, and valves.
610 Yes Yes Yes Ammonia, water, salt water, oils, steam, gasolines, heat transfer fluids, and mild chemicals. Recommended for rotary and reciprocating pumps, valve stems, and most other general sealing applications. Can be used as end rings in combination with braided packing.
616 Yes Yes Yes Oils, distillates, water, salt water, and other general services. Recommended for centrifugal and rotary shafts, reciprocating equipment, and valves. It can be used as end rings to prevent softer packing from extruding.
631 Yes Yes Yes Oil, water, steam, ammonia, heat transfer fluids, and mild chemicals. Recommended for hot oil charge pumps, boiler feed pumps, centrifugal equipment, reciprocating equipment, and valves.
632 Yes Yes Yes Hot oil, steam, condensate, heat transfer fluids, and mild chemicals. Recommended for centrifugal oil charge pumps, boiler feed pumps, centrifugal equipment, reciprocating equipment, and valves.

Aramid Compression Packing

Style Rotary Reciprocating Valve Applications
212 Yes Yes Yes Mild chemicals, oils, mild caustics, hydrocarbons, aromatic and aliphatic solvents. Especially suited for salt solutions, slurries, and other abrasive services.
213 Yes Yes Yes Mild chemicals, mild caustics, oils, hydrocarbons, sewage, and aromatic and aliphatic solvents. Especially suited for salt solutions, slurries, and other abrasive services.
214 Yes Yes Yes Water, waste water, oils, greases, weak acids, alkaline solutions, and paper mill applications. Recommended for applications where good sliding is required.
215 Yes Yes Yes Pulp and paper applications, waste water treatment, non-FDA approved food processing.
216 Yes Yes Yes Water, waster water, oils, greases, hydrocarbons, weak acids, alkaline solutions, and abrasive applications.
217 Yes Yes Yes Pulp and paper, waste water treatment, petrochemical, and other general industrial applications.
241 Yes Yes Yes General petrochemical and industrial applications.

Spun Aramid Compression Packing

Style Rotary Reciprocating Valve Applications
220 Yes Yes Yes A wide range of chemicals, solvents, and most general plant service applications.
222 Yes Yes Yes Slurries, mild chemicals, and general plant services.
225 Yes Yes Yes Waste water treatment applications.

Flax Compression Packing

Style Rotary/Reciprocating/Valve Applications
155 Yes Yes Yes Cold water, cold oil, brine.
200 Yes Yes Yes Ambient water, cold oil, brine, and other general services.
201 Yes Yes Yes Cold water, cold oil, brine.
204 Yes Yes Yes Cold water, cold oil, brine, hydraulics.
206 Yes Yes Yes Water, brine, light oils.
253 No Yes No Water, oil, hydraulics, and other down hole services. Recommended for slow moving reciprocating polished rod applications.

Synthetic Compression Packaging

Style Rotary/Reciprocating/Valve Applications
165 Yes Yes Yes Water, brine, oils, hydraulic fluids, mild solvents, mild acids.
208 Yes Yes Yes Water, solvents, steam, mild acids, oils.
233 Yes Yes Yes A wide variety of moderate services such as solvents, water and mild acids.
234 Yes Yes Yes General acids and chemicals, oils, solvents, water.
235 Yes Yes Yes Alkalies, mild acids, solvents, steam and oils.
236 Yes Yes Yes A wide variety of solvents, alkalies, mild acids, oils and water.
237 Yes Yes Yes Most general service plant applications.
238 Yes Yes Yes Alkalies, mild acids, solvents, steam and oils.

Multi-core Compression Packaging

Style Rotary/Reciprocating/Valve Applications
240 Yes Yes Yes Water, hydraulic fluids, oils, and most general services. Recommended where run-out and eccentricity are a problem.
243 Yes Yes Yes Water, oils, greases, most chemicals, and brine solutions. Especially suited for application involving shafts with large run-out or eccentricity problems.
277 Yes Yes Yes Alkalies, mild acids, solvents, steam, and oils. Recommended for large diameter equipment which is worn or has run-out problems.
278 Yes Yes Yes Food processing services. Recommended where large run-out or shaft eccentricity exist.

Specialty Compression Packaging

Style Rotary/Reciprocating/Valve Applications
248 Yes Yes Yes Water, oils, hydrocarbons, most chemicals, and the pulp and paper industry. Non-staining and non-abrasive. Recommended for rotary and centrifugal shafts, reciprocating applications, and valves.
251 Yes Yes Yes Water, hydrocarbons, mild chemicals, mild solvents. Recommended for rotary and centrifugal equipment, pulp and paper equipment, reciprocating applications, and valve stems.
279 Yes Yes Yes Water, oils, hydrocarbons, most chemicals, and other general applications. Recommended for rotary and centrifugal shafts, reciprocating equipment, and valves.

Graphite Compression Packaging

Style Rotary/Reciprocating/Valve Applications
229 Yes Yes Yes Most high temperature corrosive acid and caustic applications, including nuclear services.
230 Yes No Yes Most chemicals and acids, especially corrosive applications. It is only used for bull or end rings.
280 No No Yes Nuclear plant services such as water, steam, oils, and most chemicals. It is only used for bull or end rings.
686 Yes No Yes Steam, water, oil, solvents, alkalies, acids, and most chemicals. Exceptions are oleum, fuming nitric acid, aqua regia, and fluorine. Requires bull rings for high pressures.
687 Yes No Yes Steam, water, oil, solvents, alkalies, acids, and most chemicals. Exceptions are oleum, fuming nitric acid, aqua regia, and fluorine.
688 Yes No Yes Steam, water, oil, solvents, alkalies, acids, and most chemicals. Exceptions are oleum, fuming nitric acid, aqua regia, and fluorine.
689 No No Yes Steam, water, oil, solvents, alkalies, acids, and most chemicals. Exceptions are oleum, fuming nitric acid, aqua regia, and fluorine.
690 Yes No Yes Steam, water, oil, solvents, alkalies, acids, and most chemicals. Exceptions are oleum, fuming nitric acid, aqua regia, and fluorine.
691 No No Yes Steam, water, oil, solvents, alkalies, acids, and most chemicals. Exceptions are oleum, fuming nitric acid, aqua regia, and fluorine.

Carbon Compression Packaging

Style Rotary/Reciprocating/Valve Applications
226 Yes Yes Yes Most high temperature corrosive acid and caustic applications. It is not recommended for strong oxidizer applications.
227 No No Yes Hydrocarbon and chemical applications. Recommended for high temperature valves. Used as bull or end rings only.
228 Yes Yes Yes Hydrocarbons, virtually all chemicals, and water services, including pulp and paper applications.
249 No Yes Yes Pulp and paper applications, chemical service, hydrocarbons, hot water, and most acids.

Texturized Glass/Ceramic Compression Packings

Style Rotary/Reciprocating/Valve Applications
132 No No Yes Where excellent chemical resistance is necessary. It is also noncombustible. Recommended for high temperature ovens, casting molds, boiler doors, and expansion joints.
161 Yes No Yes Mild acids, steam, oil, brine, other general applications. Recommended for low-pressure valve stems and rotary shafts.
162 No No Yes High heat general service applications. Recommended for low-pressure valve stems and static rods, and for heat sensitive applications.
163 No No Yes Excellent chemical resistance. Recommended for low-pressure valve applications, expansion joints, high temperature pipe fittings, and molds.
167 No No Yes Resistant to all chemicals except strong caustics such as sodium hydroxide and potassium hydroxide, and strong acids such as phosphoric acid and hydrofluoric acid. Recommended for low-pressure valve applications, expansion joints, high temperature pipe fittings, and molds.

PTFE Compression Packings

Style Rotary/Reciprocating/Valve Applications
231 Yes Yes Yes Water, steam, concentrated acids and caustics, solvents, oils, fatty acids, detergents, aggressive gases, resistant to gamma and neutron rays, hydrogen, heat transfer oils, and most other chemicals and solvents. Specifically suited for high pressure valves.
232 Yes Yes Yes A wide range of process chemicals and concentrated acids.
245 Yes Yes Yes Food processing.
276 Yes Yes Yes Oxygen and oxidizing services.

PTFE/Graphite Composite Compression Packings

Style Rotary/Reciprocating/Valve Applications
210 Yes Yes Yes Boiling water or steam, oils, solvents, acids, hydrocarbons, and alkalies. Not suitable for fuming nitric acid, potassium chlorate, or turpentine. Especially suited for rotary applications.
244 Yes Yes Yes A wide range of services including corrosive applications.
246 Yes Yes Yes A wide range of services including corrosive applications.

Spiral Unitized - Style 242

Performance Rotary Reciprocating Valve  
Max Pressure -psi bar kg/cm²   N/A 5500/379/387 N/A
Temp - °F/°C   N/A -320 to +500°F 
(-195 to +260°C)
N/A
pH Range   N/A 2 to 12 N/A
Max Speed  fpm (mps)   N/A 300 (1.5) N/A

High-Temp Jacketed Compression Packings

Style Rotary/Reciprocating/Valve Applications
683 No No Yes Water, steam, aqueous alkaline, most acid solutions. Recommended for valve stems, expansion joints, and other static applications.
684 No No Yes High temperature applications of water, steam, aqueous alkaline, most acid solutions. Recommended for valve stems, expansion joints, and other static applications.
685 No No Yes Resistant to most chemicals and solvents in demanding service conditions. Recommended for valve stems, soot blowers, control valves, and other high temperature valve applications.

Cross-Sectional Tolerances

Cross-Section Tolerance
To nominal 1/4" (6 mm) +/- 0.015 (+/- 0.4 mm)
Over nominal 1/4" to 1/2" (6 mm to 12 mm) +/- 0.020 (+/- 0.5 mm)
Greater than nominal 1/2" (12 mm) +/- 0.040 (+/- 1.0 mm)