PTFE Wear Rings

Standard Material

Bronze filled PTFE

* Other materials are available on request.

Description

The guide ring WR is suitable for guiding the hydraulic cylinder, the piston and the piston rod in the cylinder, and functions as a support and guide.

They guide the rod or the piston and prevent metallic contact with the cylinder when radial forces act perpendicular to the direction of movement. The WR wear ring protects critical sealing lips from contamination effects. The compound used for these guides assures an exceptional low friction and high speed performance,a high compatibility with nearly all media due to the chemical resistance which exceeds that of all other thermoplastics and elastomer.

Advantages

- Avoid contact between metals

- High load resistance

- High speed allowed

- Low friction

- With wiping functoin

- Simple installation

- Can suppress mechanical vibration

Cutting Styles

Image
Styles	Uncut	Angle cut	Butt cut	Step cut
Direction	-	Left/right	-	-
Characteristics	Primarily used jn small diameter pistons and piston rods.	Basic design of the reciprocating motion can effectively increase the load bearing stress at the gap.	It can be used for guiding in the form of rotary motion and easy to install.	It can guide the piston and reduce the pressure on the piston seal.

Operating Condition

Speed	Pressure	Temperature	Media	Supplied Diameter
15m/s	-	-55℃~260℃	Hydraulic oil(mineral oil based), General petroleum-based hydraulic oil, water diethanol hydraulic oil, phosphate ester hydraulic oil, etc.	5mm-2000mm

Installation dimensions

gland guide rings

Single & double-acting rod guide rings for hydraulic cylinders

d	D	L	S1	t	b	z
8~20	d+3	3.2	0.4~1	1.5	3	1~1.5
15~35	d+5	4.2	0.5~2	2.5	4	1~2
20~75	d+5	6.3	0.5~2	2.5	6.1	1.5~3.5
30~250	d+5	8.1	0.5~2	2.5	7.9	2~5
35~300	d+5	9.7	0.5~2	2.5	9.5	2~6
120~900	d+5	15	0.5~2	2.5	14.8	4~8
200~900	d+5	20	0.5~2	2.5	19.5	4.5~8
300~900	d+5	25	0.5~2	2.5	24.5	6~8
300~999	d+5	30	0.5~2	2.5	29.5	6~9

Single & double-acting rod guide rings for hydraulic & pneumatic cylinders

d	D	L	S1	t	b	z
15~35	d+4	4.2	0.5~1.5	2	4	1~2
20~75	d+4	6.3	0.5~1.5	2	6.1	1.5~3.5
30~250	d+4	8.1	0.5~1.5	2	7.9	2~5
35~300	d+4	9.7	0.5~1.5	2	9.5	2~6
120~900	d+4	15	0.5~1.5	2	14.8	4~8
200~900	d+4	20	0.5~1.5	2	19.5	4.5~8
300~900	d+4	25	0.5~1.5	2	24.5	6~8
300~999	d+4	30	0.5~1.5	2	29.5	6~9

piston wear rings

Single & double-acting piston guide rings for hydraulic cylinders

d	D	L	S1	t	b	z
8~20	d+3	3.2	0.4~1	1.5	3	1~1.5
15~35	d+5	4.2	0.5~2	2.5	4	1~2
20~75	d+5	6.3	0.5~2	2.5	6.1	1.5~3.5
30~250	d+5	8.1	0.5~2	2.5	7.9	2~5
35~300	d+5	9.7	0.5~2	2.5	9.5	2~6
120~900	d+5	15	0.5~2	2.5	14.8	4~8
200~900	d+5	20	0.5~2	2.5	19.5	4.5~8
300~900	d+5	25	0.5~2	2.5	24.5	6~8
300~999	d+5	30	0.5~2	2.5	29.5	6~9

Single & double-acting piston guide rings for hydraulic & pneumatic cylinders

d	D	L	S1	t	b	z
15~35	d+4	4.2	0.5~1.5	2	4	1~2
20~75	d+4	6.3	0.5~1.5	2	6.1	1.5~3.5
30~250	d+4	8.1	0.5~1.5	2	7.9	2~5
35~300	d+4	9.7	0.5~1.5	2	9.5	2~6
120~900	d+4	15	0.5~1.5	2	14.8	4~8
200~900	d+4	20	0.5~1.5	2	19.5	4.5~8
300~900	d+4	25	0.5~1.5	2	24.5	6~8
300~999	d+4	30	0.5~1.5	2	29.5	6~9

FAQ

1. What kind of materials do you have for the guide tape?

Generally bronze filled PTFE, pure PTFE and phenolic fabric, we have also Trelleborg C380 fiber composite material.

2. What is the production time of this product?

Generally 7 days for new production and 1-2 days for in-stock items.

3. Can you guarantee the life time of products?

Yes, we guarantee the corresponding product life according to different materials.

4. Can you make this guide rings in custom size?

Yes, we can make both standard and custom size of all Teflon seals.

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