hydraulic piston seals suppliers | Piston Seals

Product Information
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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