Apply to hydraulic piston sealing, Consisting of a seal ring, two L-shaped POM back-up rings and an acting force O-Ring. The back-up ring acts as a support and guide to ensure a tight sealing environment. High wear resistance, low friction, no crawling phenomenon, easy installation.

Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

L-Ring: POM / PA

Working Conditions

Working Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3-1600mm	0-45MPa	-30℃+100℃	1 m/s	hydraulic oil, flame retardant liquid, water and others

Installation Dimensions

D H8	d h9	H	L	e	Order No.
40 45 50	23.2 28.2 33.2	7.5 7.5 7.5	8 8 8	7 7 7	DGDA4023.27.5 DGDA4528.27.5 DGDA5033.27.5
56 63 65	39.2 46.2 48.2	7.5 7.5 7.5	8 8 8	7 7 7	DGDA5639.27.5 DGDA6346.27.5 DGDA6548.27.5
70 75 80	53.2 58.2 63.2	7.5 7.5 7.5	8 8 8	7 7 7	DGDA7053.27.5 DGDA7558.27.5 DGDA8063.27.5
85 90 95	68.2 73.2 78.2	7.5 7.5 7.5	8 8 8	7 7 7	DGDA8568.27.5 DGDA9073.27.5 DGDA9578.27.5
100 105 110	80 85 90	9.5 9.5 9.5	10 10 10	10 10 10	DGDA100809.5 DGDA105859.5 DGDA110909.5
115 120 125	95 100 105	9.5 9.5 9.5	10 10 10	10 10 10	DGDA115959.5 DGDA1201009.5 DGDA1251059.5
130 135 140	110 115 120	9.5 9.5 9.5	10 10 10	10 10 10	DGDA1301109.5 DGDA1351159.5 DGDA1401209.5
145 150 155	125 130 135	9.5 9.5 9.5	10 10 10	10 10 10	DGDA1451259.5 DGDA1501309.5 DGDA1551359.5
160 170 180	140 150 160	9.5 9.5 9.5	10 10 10	10 10 10	DGDA1601409.5 DGDA1701509.5 DGDA1801609.5
190 200 210	170 172 182	9.5 12.5 12.5	10 13 13	10 12 12	DGDA1901709.5 DGDA20017212.5 DGDA21018212.5
220 225 235	192 197 207	12.5 12.5 12.5	13 13 13	12 12 12	DGDA22019212.5 DGDA22519712.5 DGDA23520712.5

Installation Dimensions

Company Features

· Dms Seals Technology Co.,limited has been involved in the hydraulic piston seals suppliers business for many years.

· Our factory has advanced machines. They have the efficiency to help us cut down on unnecessary costs, reduce the margin for human error, and streamline the production process. By demonstrating excellence and innovation, our company has gained recognition within the hydraulic piston seals suppliers industry for outstanding achievements. We have got prestigious awards such as "Best Supplier" and "Best Design."

· In recent years, Dms Seals Technology Co.,limited adheres to the concept of innovation and development, and vigorously promotes the optimization of hydraulic piston seals suppliers.

Product Comparison

Our hydraulic piston seals suppliers has a certain share in the market because of the following characteristics.

Enterprise Advantages

Dms Seals Technology has an elite team with high cohesiveness and technical skills, which provides favorable conditions for the development.

We have a full customer service system and an experienced professional service team. Strictly adhering to the principle of 'customer first', team members are committed to building a bridge between the company and customers.

Dms Seals Technology makes best effort to becoming a world-recognized first-class enterprise. We take 'producing high-quality products' as the responsibility and 'being efficient, pragmatic and innovative' as the business philosophy. Besides, we insist on the principle of 'high quality guarantees consumers' interests and honesty protects the interests of partners'.

Our company was established in In the past years, we have always adhered to the road of product development and specialization. Up to now, we have created a batch of quality products that are deeply favored by consumers.

Our products all meet national and international safety requirements. They are not only sold domestically but also exported to countries and regions such as

we welcome custom designs and ideas and is able to cater to the specific requirements. for more information, please visit the website or contact us directly with questions or inquiries.