New piston rings by bore size manufacturer for larger piston clearance

Company Advantages
1. DMS Seals is fabricated using the sophisticated production technology in complete compliance with the industry standards.
2. DMS Seals adopts international advanced technology to achieve exemplary performance.
3. Based on the advanced technology, DMS Seals is manufactured in the finest workmanship.
4. The product has good heat dissipation effect. It is built with a cooling system inside to protect the components from overheat damage.
5. The product can stand up the temperature variations. It can still run well in extreme cold or heat industrial temperatures.
6. The product has a long service life. Its fully shielded design helps to avoid leakage problems and thus better protects its components from damage.
7. The product features size precision. All its mechanical parts and components are manufactured by a variety of specialized CNC machines which have the desired accuracy.
8. The product has become a necessity for the way we live today. It either reduces or eliminates the amount of human work required to accomplish a task during production.
9. The product offers a great way to reduce carbon footprint. It consumes little energy, which can significantly reduce emissions contribution.
10. Since this product has extremely low emissions of harmful gases to the environment, it could play a substantial role in lowering people's carbon footprint.
11. Our customers all appreciate the good moisture control and insulation performance of this product, and it can be used all-year-round.

1. Installation Recommendation 

2. Installation Sizes

Rod Diameter                         dN h9			Groove Diameter	Groove Width	Radius	Radial Clearance                S max.			O-Ring Cross-Section
Standard Application	Light Application	Heavy Duty Application	D1 H9	L1+0.2	R1	10MPa	20MPa	40MPa	d2
3-7.9	8-18.9	-	dN+4.9	2.2	0.4	0.3	0.20	0.15	1.78
8-18.9	19-37.9	-	dN+7.3	3.2	0.6	0.4	0.25	0.15	2.62
19-37.9	38-199.9	8-18.9	dN+10.7	4.2	1.0	0.4	0.25	0.20	3.53
38-199.9	200-255.9	19-37.9	dN+15.1	6.3	1.3	0.5	0.30	0.20	5.33
200-255.9	256-649.9	38-199.9	dN+20.5	8.1	1.8	0.6	0.35	0.25	7.00
256-649.9	650-999.9	200-255.9	dN+24.0	8.1	1.8	0.6	0.35	0.25	7.00
650-999.9	≥1000.0	256-649.9	dN+27.3	9.5	2.5	0.7	0.50	0.30	8.40
≥1000.0	-	650-999.9	dN+38.0	13.8	3.0	1.0	0.70	0.60	12.00

3. Application and properties

Applicable to high and low speed reciprocating motion and high pressure system cylinder rod sealing. Good dimensional stability, not affected by temperature, low friction, strong corrosion resistance, could work in the situation with or without lubrication, easy installation. Meet the standards of GB/T 15242.1-94 and GB/T 15242.3-94.

4. Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

5. Working Conditions

Working  Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3 - 1600mm	0 - 60MPa	-45℃ +200℃	15 m/s	hydraulic oil, flame retardant liquid, water, gas

6. Installation Dimensions

Rod Dia.	Groove Dia.	Groove Width	Order No.	O-Ring Dimensions
dN h9	D1 H9	L1+0.2
20 20 22	27.3 30.7 29.3	3.2 4.2 3.2	GSJ20*27.3*3.2 GSJ20*30.7*4.2 GSJ22*29.3*3.2	21.89*2.62 23.39*3.53 23.47*2.62
22 25 25	32.7 32.3 35.7	4.2 3.2 4.2	GSJ22*32.7*4.2 GSJ25*32.3*3.2 GSJ25*35.7*4.2	26.57*3.53 26.64*2.62 29.74*3.53
28 30 32	38.7 40.7 42.7	4.2 4.2 4.2	GSJ28*38.7*4.2 GSJ30*40.7*4.2 GSJ32*42.7*4.2	31.34*3.53 34.52*3.53 36.09*3.53
35 36 38	45.7 46.7 53.1	4.2 4.2 6.3	GSJ35*45.7*4.2 GSJ36*46.7*4.2 GSJ38*53.1*6.3	37.69*3.53 40.87*3.53 43.82*5.33
40 40 42	50.7 55.1 57.1	4.2 6.3 6.3	GSJ40*50.7*4.2 GSJ40*55.1*6.3 GSJ42*57.1*6.3	44.04*3.53 43.82*5.33 46.99*5.33
45 45 50	55.7 60.1 60.7	4.2 6.3 4.2	GSJ45*55.7*4.2 GSJ45*60.1*6.3 GSJ50*60.7*4.2	47.22*3.53 50.17*5.33 53.57*3.53
50 55 56	65.1 70.1 66.7	6.3 6.3 4.2	GSJ50*65.1*6.3 GSJ55*70.1*6.3 GSJ56*66.7*4.2	56.52*5.33 59.69*5.33 59.92*3.53
56 56 60	71.1 76.5 75.1	6.3 8.1 6.3	GSJ56*71.1*6.3 GSJ56*76.5*8.1 GSJ60*75.1*6.3	59.69*5.33 62.87*6.99 66.04*5.33

Company Features
1. The DMS Seals brand has always attracted many markets and customers. Dms Seals Technology Co.,limited beats many competitors in the production sector of piston rings by bore size . Dms Seals Technology Co.,limited is a powerful company integrating R&D, production and sales.
2. This company has established a strong client base. We have conducted local market surveys to gain an insight into buyers' purchasing tendencies so that we upgraded our products to better cater to clients. We have a team of professional customer service employees. They have profound knowledge and expertise in products and quite engaged in listening to our customers and respond to their needs in terms of any product problems. Our company has gained many awards. The progression and development that we have experienced as a business over the past years have been extraordinary and we are so proud that this growth has demonstrated itself externally through these awards. We have a highly skilled and experienced team of professionals. They are recruited on the basis of their ability and willingness to perform. They help the company in the maximization of production capacity.
3. We adhere to the commitment to sustainable development. We are planning to introduce advanced technological production facilities to reduce the environmental negative influence throughout the whole production. Our mission is to help customers create something amazing-a product that grabs their customers' attention. Honesty, ethics, and trustworthiness all contribute to our choice of partners. Get an offer! We are aware of our environmental responsibility. Effectively, we use the resources at our disposal, that is, rational use of heat and electricity, and environmentally friendly and safe disposal of waste.

New piston rings by bore size manufacturer for larger piston clearance

piston rings by bore size

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