PTFE OIL SEALS

PTFE OIL SEALS
TYPE	ROTARY CONDITION	Metal	Rubber	Application feature
A TYPE	speed 30m/s Pressure: 10bar	1.Carbon Steel 2.304L 3.306L	1.Virgin PTFE	Suitable for foodstuff and pharmaceutical process
AR/AL TYPE
C TYPE	speed 30m/s Pressure: 10bar		2.PTFE Filled Glass Fiber	Improved pressure-resistant,wear resistance and excellent chemical resistance and optimum conductivity.
B TYPE	speed 18m/s Pressure: 35bar
BR/BL TYPE
D TYPE	speed 18m/s Pressure: 35bar		3.PTFE Filled Bronze	High pressure resistance,good thermal conductivity,abrasion resistance,especially for applications in high termperature above190℃
L TYPE	speed 30m/s Pressure: 1.5bar
LB TYPE	speed 30m/s Pressure: 1.5bar		4. PTFE Filled graphite	Suitable for short-term withour lubrication or long-term bad lubrication rotrary application.
LC TYPE	speed 8m/s Pressure: 3.5bar
LD TYPE	speed 8m/s Pressure: 3.5bar		5.PTFE Filled carbon fibre	Excellent wear resistance and pressure resistance,good conductivity low-permeability.
LA TYPE	speed 25m/s Pressure: 1.5bar
Requirements of shaft and groove
Shaft:shaft surface hardness≥40HRC
Poor lubrication or high speed ocassion≥58HRC
Grinding and polishing the surface to remove the sharp angle,the sureface roughness Ra=0.2-0.5 um,vacuum applications Ra≤0.2um .
Shaft dimensional tolerances h11
Face conduction angle 15° to 30 °
Groove
Ra≤0.8um Suface roughness Ra≤0.8um
Groove dimensinal tolerances H8
Face conduction angle 5° to 15 °

Size reference /More size please email us for fast quote:

PTFE LIP ROTARY SEAL