o-ring seal | Piston Seals | DMS Seal Manufacturer

Product Information
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Installation Recommendation

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Application and properties

Apply to the hydraulic cylinder of piston sealing, generally used in conjunction with the guide sleeve. The seal ring and piston conforming to be a symmetric section to achieve the sealing performance. The Non-standard Y-ring has the function of sealing and provides the elastic force to the sealing ring and compensates for the abrasion. Very high pressure stability under pressure and harsh conditions, high wear resistance, low friction, no crawling phenomenon.

Standard materials

Sealing ring: filled PTFE

Y-Ring: NBR / PU

Working Conditions

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

Installation Dimensions

D H8	d h9	H	L+0.2	e	Order No.
40 43 44	32 35 36	7 7 7	7.5 7.5 7.5	6 6 6	DDA40327.5 DDA43357.5 DDA44367.5
45 48 50	37 40 42	7 7 7	7.5 7.5 7.5	6 6 6	DDA45377.5 DDA48407.5 DDA50427.5
55 60 63	45 45 53	7 12 8	7.5 13 8.5	6 6 6	DDA55457.5 DDA604513 DDA63538.5
63 65 65	48 50 50	12 12 12	13 8.5 13	6 6 6	DDA634813 DDA65508.5 DDA655013
70 75 78	55 60 63	12 12 12	13 13 13	6 6 6	DDA705513 DDA756013 DDA786313
80 85 87	65 70 72	12 12 12	13 13 13	6 6 6	DDA806513 DDA857013 DDA877213
90 95 100	75 80 85	12 12 12	13 13 13	7 7 7	DDA907513 DDA958013 DDA1008513
105 110 115	90 95 100	12 12 12	13 13 13	7 7 7	DDA1059013 DDA1109513 DDA11510013
120 125 130	105 110 115	12 12 12	13 13 13	7 7 7	DDA12010513 DDA12511013 DDA13011513
140 145 150	120 125 130	12 12 12	13 13 13	7 10 10	DDA14012013 DDA14512513 DDA15013013
160 160 170	140 140 150	12 16 16	13 17 17	10 10 10	DDA16014013 DDA16014017 DDA17015017
180 185 190	160 165 170	16 16 16	17 17 17	10 10 10	DDA18016017 DDA18516517 DDA19017017
200 210 220	180 190 200	16 16 16	17 17 17	10 10 10	DDA20018017 DDA21019017 DDA22020017