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A307

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A307 DOUBLE ACTING PTFE ROTARY PISTON SEAL

  • ULTRA LOW FRICTION
  • STICK SLEEP FREE
  • SUITABLE TO HIGH SPEEDS
  • LONG SERVICE LIFE
  • VERY ECONOMIC
  • SIMPLE LOW HEIGHT GROOVE DESIGN
  • USED FOR HYDRAULIC AND PNEUMATIC CYLINDERS AND ROTARY APPLICATIONS

General Properties

A307

Technical Properties

A307 DOUBLE ACTING PTFE ROTARY PISTON SEAL

A307 two piece PTFE rotary seal is designed to be used with medium to high duty hydraulic cylinders for rotary applications.

A307 PTFE double acting piston seal is manufactured with bronze filled special ALP PTFE compound and 70 shore NBR energising O ring as standard. The O ring could be replaced on demand if different oils other than mineral oil need to be used. Please contact our sales department for pricing.

A307 two piece PTFE piston seal offers ultra-low friction, free of stick-sleep, suitability for high speed and simple grove designs, imperviousness under high pressure in rotary applications and a long service life.

A307 Ptfe piston seal is recommend to be used with min one ALP guidening element combination such as A251, A254, A255, A256, depending on the working conditions.

Wide range of metric and imperial dimensions available on Exstock.

A307 PTFE piston seal is to be used safely for rotary applications on mobile hydraulic cylinders and grippers.

Please do not hesitate to send us an email if you have any queries This email address is being protected from spambots. You need JavaScript enabled to view it. … 
TECHNICAL DATA
Working Pressure 300 Bar
Working Temperature -30 +105
Sliding Speed 5 m/sn
Material PTFE + BRONZE + 70 NBR
Media Mineral Base Hydraulic Oil
 
Surface Roughness
  Ra Rmax
Dynamic Surface ≤0.2 μm ≤2 μm
Groove Base ≤1.6 μm ≤6.3 μm
Groove Flanks ≤3.2 μm ≤16 μm
 
Permissible Gap (max.)
Housing Length(B) Pressure (Bar)
100 200 300
2.2 0.15 0.10 0.075
3.2 0.20 0.15 0.10
4.2 0.20 0.15 0.10
6.3 0.30 0.20 0.15
8.1 0.30 0.20 0.15
 

 

Read 65352 times Last modified on Monday, 11 April 2016 11:04