hydraulic piston seals | Piston Seals

Product Information
Customer Reviews

Company Advantages
1. The raw material of DMS Seal Manufacturer pneumatic piston seals is strictly controlled from beginning to finish. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
2. The huge application prospects are well received by the customers in the industry. The R&D teams have the ability to design and develop seals for various of complicated working condition of sealing system
3. hydraulic piston seals can simplify the installation procedures to improve the pneumatic piston seals . The high pressure seals have strong wear resistance to hard conditions
4. The design of hydraulic piston seals is supposed to endow it with features of pneumatic piston seals . We have developed solutions of the sealing of special working condition
5. hydraulic piston seals has many virtues such as pneumatic piston seals and so on. DMS Seals takes the lead in grasping the development trend of the industry

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	Heavy Duty Application	d1 h9	L1+0.2	R1	10MPa	20MPa	30MPa	d2	W
40 - 79.9	25 - 140	DN - 10.0	6.3	0.6	0.3	0.2	0.15	2.62	1.78
80 - 132.9	50 - 250	DN - 13.0	8.3	1.0	0.4	0.3	0.15	3.53	2.62
133 - 252.9	100 - 480	DN - 18.0	12.3	1.3	0.4	0.3	0.20	5.33	3.53
463 - 700	425 - 700	DN - 31.0	16.3	1.8	0.5	0.4	0.30	7.00	5.33

Application and properties

Apply to the working condition of fast speed, high pressure, and the necessary pressure keeping. Available for piston accumulator, clamping cylinder and positioning cylinder, especially recommended for heavy duty and large diameter applications. Double safety with low friction and high elasticity, Low gas permeability, excellent sliding performance in high pressure applications, no crawling phenomenon, simple groove structure, easy installation.

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	0-60MPa	-30℃+200℃	3 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
40 42 45	30 32 35	6.3 6.3 6.3	DAQ2-40306.3 DAQ2-42326.3 DAQ2-45356.3	29.822.62 31.422.62 34.59*2.62
48 50 52	38 40 42	6.3 6.3 6.3	DAQ2-48386.3 DAQ2-50406.3 DAQ2-52426.3	37.772.62 39.342.62 40.94*2.62
55 60 63	45 50 53	6.3 6.3 6.3	DAQ2-55456.3 DAQ2-60506.3 DAQ2-63536.3	44.122.62 48.902.62 52.07*2.62
65 70 75	55 60 65	6.3 6.3 6.3	DAQ2-65556.3 DAQ2-70606.3 DAQ2-75656.3	53.642.62 58.422.62 63.17*2.62
80 85 90	67 72 77	8.3 8.3 8.3	DAQ2-80678.3 DAQ2-85728.3 DAQ2-90778.3	66.273.53 69.443.53 75.79*3.53
95 100 105	82 87 92	8.3 8.3 8.3	DAQ2-95828.3 DAQ2-100878.3 DAQ2-105928.3	78.973.53 85.323.53 91.67*3.53
110 115 120	97 102 107	8.3 8.3 8.3	DAQ2-110978.3 DAQ2-1151028.3 DAQ2-1201078.3	94.843.53 101.193.53 104.37*3.53
125 130 135	112 117 117	8.3 8.3 12.3	DAQ2-1251128.3 DAQ2-1301178.3 DAQ2-13511712.3	110.723.53 113.893.53 113.67*5.33
140 150 160	122 132 142	12.3 12.3 12.3	DAQ2-14012212.3 DAQ2-15013212.3 DAQ2-16014212.3	120.025.33 129.545.33 139.07*5.33

Installation Dimensions

Company Features
1. DMS Seal Manufacturer is a famous exporter in the field of hydraulic piston seals .
2. Dms Seals Technology Co.,limited gets the certificate of ISO9001 quality management system.
3. To be a high-end company in o-ring seal industry, DMS Seal Manufacturer has been striving to develop its own ability to produce piston seals . Contact us!

Favorable rate

100%

Buyer impression