DMS SEALS TECHNOLOGY CO.,LIMITED

The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).

DMS Seals - Hydraulic Seals and Oil Ring Seals Manufacturer & Supplier

Mail to: sales@dmsseals.com tel:+86-757-86235767

piston o-ring seal with manufacturer

Diameter Range:

3-1600mm

Pressure Range:

0-45MPa

Temperature Range:

-30℃+100℃

Speed:

1m/s

Medium:

hydraulic oil, flame retardant liquid, water and others

Inquiry

Installation Recommendation

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Installation Sizes

D H8	d h9	L+0.2	H
˂96	D-16.3	8	7.5
96-190	D-20	10	9.5
191-380	D-28	13	12.5
381-1000	D-36	20	19.5

Application and properties

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

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.