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Rod step seal

The rod step seal is composed of a PTFE rod seal ring and an O-ring. The PTFE filled sliding ring has low friction characteristics and can be used in applications with poor lubrication.

The Rod step seal is especially suitable for control cylinders, servo systems, machine tools, construction machines, and chemical industry applications.

Different PTFE material sliding rings and rubber material O rings can be selected for different applications to meet different fluid media and temperature ranges.

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Description

Advantages of Rod Step Seal:

1. Chemical resistance

2. Heat resistance

3. Low friction

4. Has good oil return property

5. Easy installation

6. Longevity

7. High pressure resistance

8. High-speed applications

9. Compatible with a wide range of media

Rod Step Seal APPLICATIONS:

Rod step seal is ideal for high-pressure sealing applications, offering low-friction performance and high-speed capability.

Typical Applications:

Mobile Hydraulics
Hydraulic Presses
Injection Molding Machines

MATERIAL:

XHH Seals’ unique Teflon compounds provide ultra-low friction and high-speed

performance with minimal wear. The standard compounds are Teflon with Bronze filler

or Teflon filled with Glass-Moly. The temperature range of the seal can be increased by

Selecting an FPM O-ring in place of the standard NBR O-ring

Material	Code
PTFE-Bronze compound + NBR o-ring (shown in photo)	MT23
PTFE-Bronze compound + FPM o-ring	MT26
PTFE-Glass/MoS2 compound + NBR o-ring	MT83
PTFE-Glass/MoS2 compound + FPM o-ring	MT86

OPERATING PARAMETERS:

Temperature	MT23		MT83
Temperature	℃	ºF	℃	ºF
hydraulic oil	-30... +100	-22... +212	-30... +100	-22... +212
water oil emulsions (HFA)	-	-	+5... +60	+40... +140
Water-glycol fluids (HFC)	-	-	-30... +60	-22... +140
polyol esters (HFD)	-	-	-	-
water	-	-	-5... +100	+40... +212
speed	5 m/s (16.5 ft/sec)
pressure	400 bar (6000psi)

Note: For other materials or fluids, please contact our engineering department.

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