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EQUIPRO™ SEAL MATERIALS

1. O-ring Elastomer Materials Available:
  • Nitrile
  • Flurocarbon "Viton®"
  • Flurosilicone
  • Ethylene Propylene
  • Silicone
  • Neoprene
2. Helical Wound Flat Spring:
  • Cobalt nickel alloy (equivalent to elgiloy)
  • #304 Stainless Steel
  • #316 Stainless Steel
  • C-276 Hastelloy
  • Elgiloy
  • 17-7 Ph Stainless Steel
3. Extension Spring:
  • #302/304 Stainless Steel
  • #316 Stainless Steel

4. EPM Seal Materials:
EPM seal materials are compounded and processed for optimum seal performance in a wide variety of sealing environments. The materials listed below are our most commonly recommended compounds, and are suitable for most applications. Additional compounds are available.

Name and
Description
Color
Application
Temp.
Range
Coef.
Friction
PTFE-PRO 01
Virgin PTFE
White
Limited wear and heat resistance, low gas permeability, good cryogenic properties, moderate to hard vacuum service, FDA approved.
-450°F to +400°F
.09
PTFE-PRO S
Premium PTFE
Yellow
Modified PTFE with similar properties to PTFE-PRO 01 material but with substantially improved wear resistance.
-450°F to +400°F
.09
PTFE-PRO SL
Carbon/Graphite
Filled TFE
Gray
Excellent general purpose material for heat and wear resistance. Recommended for dry and poorly lubricated applications. Particularly suitable for water and steam.
-450°F to +600°F
.09
PTFE-PRO G
Proprietary
UHMWPE
Gold
Extremely tough, long wearing, but limited heat and chemical resistance. Particularly suitable for abrasive media. Recommended for long wear life under severe conditions.
-450°F to +180°F
.11
PTFE-PRO K
Ekonol® Filled
PTFE
Tan
Proprietary plastic reinforced (filled) PTFE. Superior heat and wear resistance. Non-abrasive. Recommended for moderate to high speed dynamic service running against soft metals.
-450°F to +650°F
.15
PTFE-PRO 36
Glass/Moly
Filled PTFE
Gray
Excellent wear resistance. Requires heat treated shaft materials. Glass fibers may cause excessive wear of soft metals or flash chrome plate. Most common rotary seal material.
-450°F to +600°F
.09
PTFE-PRO White
Proprietary
UHMWPE
White
Propriety composite with extremely food wear and abrasion resistance, but limited heat and chemical resistance. Meets FDA requirements.
-450°F to +180°F
.11
Rulon J
Proprietary
Filled TFE
Brown
Proprietary plastic reinforced (filled) PTFE. Superior heat and wear resistance. Non-abrasive. Recommended for moderate to high speed dynamic service running against soft metals.
-450°F to +400°F
.15
Rulon 641
Proprietary
Filled TFE
White
Moderate wear and heat resistance. Meets FDA requirements. Suitable for use with mild soft steel, 303 and 316 stainless steel shafts.
-450°F to +400°F
.15


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