Disogrin Hydraulic Symmetrical Seals

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• SYM DISOGRIN Symmetrical U-Cup style 005 / SYM
  

  SYMMETRICAL series U-cup, chamfered sealing edges for ID or OD sealing functions. Knife cut static and dynamic lips for maximum sealing force and fit. DISOGRIN 9250 Material with outstanding wear and tear resistance, ensuring maximum service life.

  Technical Data

  Pressure	Speed
  4000 Psi / 27 MPa	1.5 ft/s / 0.5 m/s

  Applications

  • agricultural equipment
  • forklifts
  • tailgate lifts
  • mobile arm trucks
  • presses
  • standard hydraulic cylinders

  The Symmetrical U-Cup provides excellent sealing performance and very long operating life in both rod and piston applications. Made from Disogrin 9250, it has superior sealing performance and longer operating life, and is great for those tough applications with high pressures or temperatures where other seals fail.

  • no adhesion effect on sliding surface
  • superior performance over a wide range of temperatures and hydraulic fluids
  • knife-cut static and dynamic lips for maximum sealing
• LSU DISOGRIN Symmetrical Loaded U-Cup
  

  LSU series with O-Ring energized lips assure a uniform, positive lip contact plus excellent low pressure sealing. Seal depth is equal to radial width. LSU series are used to interchange an existing hydraulic packing and/or O-Rings.

  Technical Data

  Material	Min/Max Temperature
  6865	-115°F/-82°C to 250/121°C
  Nitrile/Buna (NBR)	-40°F/-40°C to 250°F/121°C
  EPDM	-65°F/-54°C to 300°F/149°C
  6865	-20°F/-29°C to 400°F/204°C

  Applications

  • earth moving equipment
  • forklifts
  • agricultural equipment
  • tailgate lifts
  • mobile arms
  • injection molding
  • standard hydraulics

  The Standard LSU design has non-beveled lips for minimum friction and a square cross section (nominal length is equal to nominal radial width). Available in 1/8" to 5/8" cross sections.

  • designs employ o-ring like energizers to assure uniform, positive lip contact for excellent low and high pressure rod and piston sealing applications
  • designs retrofit existing seal grooves, no need to change hardware
  • offers a range of seal and energizer material combinations to meet a wide range of temperature and pressure requirements, as well as resistance to wear and extrusion
• LSU-B DISOGRIN Deep Symmetrical Loaded U-Cup with Beveled Lip
  

  LSU-B series back beveled sealing lip provides greater film breaking and increased until loading at the sealing surface. Seal depth is generally 1.5 times the cross section of radial width to insure seal stability in most rugged applications. ROD SEAL use is preferred.

  Technical Data

  Material	Min/Max Temperature
  6865	-115°F/-82°C to 250/121°C
  Nitrile/Buna (NBR)	-40°F/-40°C to 250°F/121°C
  EPDM	-65°F/-54°C to 300°F/149°C
  6865	-20°F/-29°C to 400°F/204°C

  Applications

  • earth moving equipment
  • forklifts
  • agricultural equipment
  • tailgate lifts
  • mobile arms
  • injection molding
  • standard hydraulics

  The Standard LSU design has non-beveled lips for minimum friction and a square cross section (nominal length is equal to nominal radial width). Available in 1/8" to 5/8" cross sections.

  • designs employ o-ring like energizers to assure uniform, positive lip contact for excellent low and high pressure rod and piston sealing applications
  • designs retrofit existing seal grooves, no need to change hardware
  • offers a range of seal and energizer material combinations to meet a wide range of temperature and pressure requirements, as well as resistance to wear and extrusion
• LSU-Deep DISOGRIN Deep Symmetrical Loaded U-Cup
  

  LSU-D's series depth is 1.5 times greater than radial width. Increased seal stability to withstand rugged, high shock, heavy duty applications. DEEP LSU can replace vee packing or other old fashioned seals. For minimum drag use STANDARD LSU or DEEP LSU Series.

  Technical Data

  Material	Min/Max Temperature
  6865	-115°F/-82°C to 250/121°C
  Nitrile/Buna (NBR)	-40°F/-40°C to 250°F/121°C
  EPDM	-65°F/-54°C to 300°F/149°C
  6865	-20°F/-29°C to 400°F/204°C

  Applications

  • earth moving equipment
  • forklifts
  • agricultural equipment
  • tailgate lifts
  • mobile arms
  • injection molding
  • standard hydraulics

  The Standard LSU design has non-beveled lips for minimum friction and a square cross section (nominal length is equal to nominal radial width). Available in 1/8" to 5/8" cross sections.

  • designs employ o-ring like energizers to assure uniform, positive lip contact for excellent low and high pressure rod and piston sealing applications
  • designs retrofit existing seal grooves, no need to change hardware
  • offers a range of seal and energizer material combinations to meet a wide range of temperature and pressure requirements, as well as resistance to wear and extrusion
• LSU-SQB DISOGRIN Symmetrical Loaded U-Cup with Beveled Lip
  

  LSU-SQB series - the square version of LSU-B - has the same overall dimensions of standard LSU, but slightly more 'squeeze'. Back bevel design gives greater film breaking ability and increases sealing surface unit load.

  Technical Data

  Material	Min/Max Temperature
  6865	-115°F/-82°C to 250/121°C
  Nitrile/Buna (NBR)	-40°F/-40°C to 250°F/121°C
  EPDM	-65°F/-54°C to 300°F/149°C
  6865	-20°F/-29°C to 400°F/204°C

  Applications

  • earth moving equipment
  • forklifts
  • agricultural equipment
  • tailgate lifts
  • mobile arms
  • injection molding
  • standard hydraulics

  The Standard LSU design has non-beveled lips for minimum friction and a square cross section (nominal length is equal to nominal radial width). Available in 1/8" to 5/8" cross sections.

  • designs employ o-ring like energizers to assure uniform, positive lip contact for excellent low and high pressure rod and piston sealing applications
  • designs retrofit existing seal grooves, no need to change hardware
  • offers a range of seal and energizer material combinations to meet a wide range of temperature and pressure requirements, as well as resistance to wear and extrusion
• SYM DISOGRIN Symmetrical U-Cup
  

  SYM symmetrical U-cup is suited for heavy duty mobile and stationary applications. For piston or rod sealing use.

  Technical Data

  Pressure	Linear Velocity	Medium/Temperature
  5800 PSI / 40 MPa	1.5 ft/s / 0.5 m/s	95 AU V142

  Applications

  • buffer seals
  • earth moving equipment
  • fork lift trucks
  • agricultural equipment
  • HGV loading cranes
  • injection molding machines
  • standard cylinders

  Two-part seal set for use as a primary rod seal. The Syprim seal set SM is always used in combination with packing (e.g.T20) within a sealing system. The Syprim seal is designed especially for use as a system seal.

  • quick-assembly primary seal
  • no pressure entrapment between primary and secondary seal low friction
  • low friction
  • highly wear resistant
  • activated backup ring prevents extrusion