Burker - Products

Introduction

Type

PTFE Wipers

-	Wiper Ring -type WA
-	Wiper Ring -type WB

PTFE Glide Seal Sets

-	Rod Seal Set -type RA
-	Piston Seal Set -type PB
-	Rod Seal Set -type RC
-	Rod Seal Set -type RL

PTFE Glide Seal Sets for O-ring fitting areas

-	Piston Seal Set -type PA
-	Piston Seal Set -type PB
-	Piston Seal Set -type PC
-	Piston Seal Set -type PD

PTFE Rotary Glide Seal Sets

-	Rotary Seal Set -type TR
-	Rotary Seal Set -type TP

Material

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Type > PTFE Rotary Glide Seal Sets > Rotary Seal Set -type TR

TR rotary seal is designed for inside sealing in bi-directional pressurization applications such as rotating track bushings, swivel joints, hose reels, and in machine tool hydraulics. A wiper ring near opening is recommended if TR seal is used as an end seal.

Application Range

Pressure	300 bar
Temperature	-60 ~ 200
Speed	1 m/s
Material	Standard Material

Other materials are available for specified conditions

Guidelines for the Selection of Special Sizes

unit: mm

Shaft Diameter			Groove Bottom	Groove Width	Radius	Gap	O-ring code
Di			Da	L	R	T	O-ring code
6	-	7.9	Di + 4.9	2.2	0.5	0.12	A
8	-	18.9	D i + 7.5	3.2	0.8	0.20	B
19	-	26.9	D i + 11.0	4.2	1.2	0.20	C
38	-	199.9	D i + 15.5	6.3	1.5	0.27	D
200	-	255.9	D i + 21.0	8.1	2.0	0.27	E
256	-	650.0	D i + 24.5	8.1	2.0	0.27	F

How to order special size

Profile type	TR
Rod diameter	Di=100 mm
Groove bottom	Da=115.5 mm
Groove width	L=6.3 mm
Material	21 (Material)
Order code	TR-100-21-D