Print this page

A311

Rate this item
(1 Vote)

A307 SINGLE  ACTING PTFE ROD 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

General Properties

Technical Properties

A311 SINGLE ACTING PTFE ROD SEAL

A311 PTFE rod seal is designed to be used with medium to heavy duty hydraulic cylinder and rod applications.

A311 PTFE rod 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.

A311 PTFE rod seal offers ultra-low friction, free of stick-sleep, suitability for high speed and simple grove designs and a long service life.

A311 PTFE rod seal is recommend to be used with ALP U ring lip sealing element combination such as A151, A152, A153, and A157.

Wide range of metric and imperial dimensions available on Exstock.

A311 PTFE rod seal is to be used safely for agricultural machinery, steel industry, injection moulding machinery and any large dimension cylinders.

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 400 Bar
Working Temperature -30 +105
Sliding Speed 0.5 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 ≤15 μm
 
Permissible Gap (max.)
Housing Length(B) Pressure (Bar)
150 250 400
2.2 0.25 0.15 0.10
3.2 0.35 0.20 0.10
4.2 0.35 0.20 0.15
6.3 0.45 0.25 0.15
8.1 0.55 0.30 0.20

 

Read 4596 times Last modified on Monday, 11 April 2016 11:06