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Product Information
Customer Reviews

Company Advantages
1. Owing to its elegant look and sturdy design, these sets are highly in demand amongst our customers.
2. Dms Seals Technology Co.,limited works hard to make the quality and performance of piston seals products more in line with the needs of customers. DMS Seals manufacturer owns a team of professional R&D group and skilled technicians
3. hydraulic piston seals is representative of pneumatic piston seals as it has all the merits of hydraulic piston seals sizes. To reduce costs with high-efficiency work is the DMS's purpose
4. The eye catching designs and styles of these o-ring seal are sure to enhance the satisfaction level of clients to the maximum possible extent. DMS Seals provides professional design and production of high-grade o-ring seals
5. DMS Seals takes the lead in grasping the development trend of the industry. Based on hydraulic piston seals technology, piston seals,hydraulic cylinder piston seals has a wide application value.

Installation Recommendation

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Installation Sizes

Groove Diameter DN H9		Groove Diameter	Groove Width	Radius	Radial Clearance S max.			O-Ring Cross Section	X-Ring Seal Cross Section
Standard Application	Light Application	d1 h9	L1+0.2	R1	10MPa	20MPa	30MPa	d2	W
15 - 39.9	40 - 79.9	DN - 11.0	4.2	1.0	0.25	0.15	0.10	3.53	1.78
40 - 79.9	80 - 132.9	DN - 15.5	6.3	1.3	0.3	020	0.15	5.33	1.78
80 - 132.9	133 - 252.9	DN - 21.0	8.1	1.8	0.3	0.20	0.15	7.00	2.62
133 - 252.9	--	DN - 24.5	8.1	1.8	0.3	0.20	0.15	7.00	2.62
253 - 462.9	--	DN - 28.0	9.5	2.5	0.45	0.30	0.25	8.40	3.53
463 - 700	--	DN - 35.0	11.5	3.0	0.55	0.40	0.35	10.00	5.33

Application and properties

Apply to the working condition of fast speed, high pressure, and the necessary pressure keeping. Recommended for double-acting pistons as piston-type energy storage, supporting cylinder and positional cylinder. Double safety with low friction and high elasticity, good dynamic and static sealing performance, larger extrusion clearances can be allowed, at the same time with the function of holding pressure, less leakage in the hydraulic cylinder. Simple groove, small installation space, excellent sliding performance, no crawling phenomenon.

Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

X-Ring: NBR / FKM

Working Conditions

Working Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3-1600mm	0-40MPa	-30℃+200℃	2 m/s	hydraulic oil, flame retardant liquid, water and others

Installation Dimensions

Bore Dia.	Groove Dia.	Groove Width	Order No.	O-Ring Dimension
d h9	D1 H9	L1+0.2	Order No.	O-Ring Dimension
70 70 75	59 54.5 64	4.2 6.3 4.2	DAQ70594.2 DAQ7054.56.3 DAQ75644.2	56.743.53 53.343.53 63.09*3.53
80 80 85	64.5 59 69.5	6.3 8.1 6.3	DAQ8064.56.3 DAQ80598.1 DAQ8569.56.3	62.875.33 587.0 69.22*5.33
85 90 90	64 74.5 69	8.1 6.3 8.1	DAQ85648.1 DAQ9074.56.3 DAQ90698.1	637.0 72.395.33 68*7.0
95 95 100	79.5 74 84.5	6.3 8.1 6.3	DAQ9579.56.3 DAQ95748.1 DAQ10084.56.3	78.745.33 737.0 81.92*5.33
100 105 105	79 89.5 84	8.1 6.3 8.1	DAQ100798.1 DAQ10589.56.3 DAQ105848.1	787.0 88.275.33 83*7.0
110 110 115	94.5 89 99.5	6.3 8.1 6.3	DAQ11094.56.3 DAQ110898.1 DAQ11599.56.3	91.445.33 887.0 97.79*5.33
115 120 120	94 104.5 99	8.1 6.3 8.1	DAQ115948.1 DAQ120104.56.3 DAQ120998.1	937.0 100.975.33 98*7.0
125 125 130	109.5 104 114.5	6.3 8.1 6.3	DAQ125109.56.3 DAQ1251048.1 DAQ130114.56.3	107.325.33 1037.0 113.67*5.33
130 135 140	109 114 119	8.1 8.1 8.1	DAQ1301098.1 DAQ1351148.1 DAQ1401198.1	1087.0 113.675.33 116.84*7.0
150 160 170	129 139 149	8.1 8.1 8.1	DAQ1501298.1 DAQ1601398.1 DAQ1701498.1	126.377.0 135.897.0 145.42*7.0
180 190 200	159 169 179	8.1 8.1 8.1	DAQ1801598.1 DAQ1901698.1 DAQ2001798.1	158.127.0 164.477.0 177.17*7.0
210 220 230	189 199 209	8.1 8.1 8.1	DAQ2101898.1 DAQ2201998.1 DAQ2302098.1	183.527.0 196.227.0 208.92*7.0
240 250 250	219 229 225.5	8.1 8.1 8.1	DAQ2402198.1 DAQ2502298.1 DAQ250225.58.1	215.277.0 227.977.0 227.97*7.0

Installation Dimensions

Company Features
1. Dms Seals Technology Co.,limited gathers industry elites to produce the best piston seals.
2. Our professional technician strictly operate machines to ensure its normal operation and produce high quality hydraulic piston seals.
3. We can customize solutions to making o-ring seal for your own pneumatic piston seals use.

Favorable rate

100%

Buyer impression