By keeping track with the market development, DMS Seals pneumatic piston seals is given many kinds of designs that are popular in the market. Our professional QC staff will strictly check the product to make sure that it is qualified enough to meet the international quality standard. Dms Seals Technology Co.,limited can provide the best technological process and high performance pneumatic piston seals with low cost according to user's demand.

Product Description

Installation Recommendation

undefined

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 Advantage

• Since the establishment in we have developed for years and have gradually become a leader in the industry.
• We respect the value of consumer demand, and promote appropriate, reasonable, comfortable and positive service methods to provide more intimate services.
• Our company is equipped with an independent R&D technical team. Based on that, we are capable of providing effective solutions for different customers.
• Based on the local, our company looks out to the whole country. We have established sales outlets in many first and second-tier cities in China, forming a nationwide sales and service network.
Dms Seals Technology's quality O-ring Seal,Oil Seal Manufacturer at preferential prices are available for you. Please leave the contact information and you will get special offers.

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.