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850 Polyurethane U-Seals

Style 850 u-seals offer excellent resistance to extrusion and abrasion. The round cross-section expander offers energized sealing from zero to 5,000 psi.

BFM = 58D DUROMETER FLUOROTREL -65° TO +275° F
BHN = 85A DUROMETER HYDROGENATED NITRILE -50° to +320° F
BPM = 58D DUROMETER POLYMYTE -65° to +275° F / -65° to +180° F IN WATER BASED FLUIDS

SEAL INFORMATION
MATERIAL 95A URETHANE
TEMPERATURE RANGE -40° to +200° F
PRESSURE RANGE 0 to 5,000 PSI
SPEED 3 FT/SEC
PART NUMBER (Prefix)(CS) - (Inside Dia) - (Height)
  Standard - Height and cross section are equal, thus giving a square seal. Utilizes type 'D' lip Typical Part Number P25-02.500
  Deep - Utilizes the same 'D' lip, but the seal height is greater than the cross section, thus giving a retangular shape. Typical Part Number P25-02.500-37D
  Type B - Same dimensions as the Deep seal. Beveled lip design provides better film breaking. Utilizes type 'B' lip. Typical Part Number U25-02.500-37B

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