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Spring Energized Seals/Vari Seal

  • Energized Piston Seal
  • Energized Piston Seal
Energized Piston SealEnergized Piston Seal

Energized Piston Seal

  • Product description: SPRING ENERGIZED PISTON SEAL
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Spring Energized Piston Seal


BOSS Sealing Solutions provide several defferent piston seal profiles,such as PVA,POA,POB.


The SE Seal design is based on three principles:
●High-performance, engineered materials
●U-cup style seal jackets
●Metal spring energizers
When selecting a seal for your application, careful consideration of these three principles will aid in choosing the best spring energized seal for your specific application. Our diverse and experienced technical staff can aid in product selection as well as product development if necessary, allowing us to be your partner not just a seal supplier.


Typical Applications:
●Primary and Secondary Flight Controls                            ●Fuel Control Systems
●Medical and Laboratory Instrumentations                         ● Semiconductor Processing Equipment
●Pumps, Valves and Compressors                                     ● Oilfield Equipment
●Automotive and Motorsport

Features and Benefits:
Size: from 3 mm to 1800 mm
Temperature: -196°C to +260°C
Pressure: 45 MPa
Low and controlled friction
Broad chemical resistance

Please according to your seal applications and choose a suitable spring energized seal.
SE seal material:
Pure PTFE,Bronze filled PTFE,Carbon fiber filled PTFE,Graphite filled PTFE,Glass fiber filled PTFE,Glass fiber/MoS2 filled PTFE,PEEK,PCTFE,UHMW-PE and so on.
Spring types for SE Seals:
▪103A:Helical spring energizer/O-Spring energizer
▪400A:V-Spring energizer
▪APS:Coil spring energizer


Spring Energizer Materials:
▪304 Stainless steel ▪316 Stainless steel
▪301 Stainless steel ▪Elgiloy



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