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 Glide Seal Sets for O-ring fitting areas > Piston Seal Set -type PC

A unique piston seal is design to retrofit standard O-ring gland in bi-directional pressurization, hydraulic applications. It benefits higher extrusion resistance, excellent chemical resistance, and no stick-slip movement even in low velocities.

Application Range

Pressure	350 bar
Temperature	-60 ~ 200
Speed	4 m/s
Material	Standard Material

Other materials are available for specified conditions

Guidelines for the Selection of Special Sizes

unit: mm

Cylinder Bore			Groove Bottom	Groove Width (L) for no. of Back-up Rings			Radius	Gap	Equivalent O-ring code
Da			Di	0	1	2	R	T	Equivalent O-ring code
8	-	13.9	Da ¡V 2.9	2.4	3.8	5.2	0.4	0.07	A
14	-	24.9	Da ¡V 4.5	3.6	5.0	6.4	0.4	0.10	B
25	-	45.9	Da ¡V 6.2	4.8	6.2	7.6	0.6	0.10	C
46	-	124.9	Da ¡V 9.4	7.1	8.8	10.5	0.8	0.12	D
125	-	400.9	Da ¡V 12.2	9.5	12.0	14.5	0.8	0.15	E

How to order special size

Profile type	PC
Rod diameter	Di=100 mm
Groove bottom	Di=90.6 mm
Groove width	L=7.1 mm
Material	11 (Material)
Order code	PC-100-11-D