DMS Seals Professional ptfe o ring supply for larger piston clearance

Company Advantages
1. The materials of DMS Seals are good quality and its design is appealing. DMS Seal manufacturer is a technology enterprise which specialized in the R&D and production of seals
2. The use of this product helps strengthen operators' experience or deeps their technical know-how, which enables them to have vast knowledge on the use of machines. DMS Seals takes the lead in grasping the development trend of the industry
3. The product is characterized by electromagnetic compatibility. It has passed EMC tests in the aspects of conducted disturbances immunity, power interference, and immunity to induced voltages. Our products mainly include rod seals, piston seals, scraper seals, rotary seals, rubber seal products and spring seals
4. This product has a higher point elasticity. Its materials can compress in a very small area without affecting the area beside it. DMS o-ring seal has advanced machines and equipment for its production

1. Installation Recommendation 

2. Installation Sizes

Rod Diameter d e8	Groove Diameter D H9	Groove Width L D10	H
20-30	d+8	7.5	7
31-35	d+8	7.5	7
36-44	d+8	8.5	8
45-55	d+10	11.0	10
56-119	d+15	13.0	12
120-319	d+20	17.0	16
320-499	d+30	21.0	20
＞499	d+40	26.5	25

3. Application and properties

Applicable to hydraulic cylinder piston rod, generally used in conjunction with the guide sleeve. The special-shaped Y-Ring has the sealing function, provides the elasticity to the seal ring, and compensates for the abrasion. Wear-resisting, non stick slip phenomenon. It has a high stability under pressure and harsh conditions.

4. Standard materials

Sealing ring: filled PTFE

Y-Ring: NBR / PU

5. Working Conditions

Working  Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3 - 1600mm	0 - 60MPa	-30℃ +100℃	1 m/s	Petroleum base hydraulic oil, nonflammable hydraulic fluid, water, and others.

6. Installation Dimensions

Rod Dia.	Outer Dia.	Groove Width	Order No.
d e8	D H9	L D10
20 22 23	28 30 31	7.5 7.5 7.5	TDI20*28*7.5 TDI22*30*7.5 TDI23*31*7.5
25 28 30	33 36 38	7.5 7.5 7.5	TDI25*33*7.5 TDI28*36*7.5 TDI30*38*7.5
32 35 36	40 43 44	7.5 7.5 8.5	TDI32*40*7.5 TDI35*43*7.5 TDI36*44*8.5
40 42 45	48 50 55	8.5 8.5 11	TDI40*48*8.5 TDI42*50*8.5 TDI45*55*11
47 48 50	57 58 60	11 11 11	TDI47*57*11 TDI48*58*11 TDI50*60*11
52 55 56	62 65 71	11 11 13	TDI52*62*11 TDI55*65*11 TDI56*71*13
60 63 65	75 78 80	13 13 13	TDI60*75*13 TDI63*78*13 TDI65*80*13
68 70 72	78 85 87	13 13 13	TDI68*78*13 TDI70*85*13 TDI72*87*13
75 80 83	90 95 98	13 13 13	TDI75*90*13 TDI80*95*13 TDI83*98*13

Company Features
1. We export our ptfe o ring to many countries, including and etc. Dms Seals Technology Co.,limited focuses on product quality, operates with standard processes and strict quality testing.
2. DMS Seals realizes that the bottleneck of breaking through the manufacturing of high quality durametallic seal needs to be broken by implementing new technologies.
3. Strong methods and sound quality management system guarantee the quality of metric mechanical seals . We have established a culture that each of our colleague takes personal responsibility for their careers and be accountable for their work, making a positive impact on our business.