DMS Seals merkel piston seal for business for pneumatic equipment

Company Advantages
1. The raw materials of DMS Seals are sourced by our experienced and professional purchasing team. They think highly of the importance of raw materials which is essential to the performance of the product. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
2. This product has significant economic benefits and has broad application prospects. DMS Seals takes the lead in grasping the development trend of the industry
3. The product has been tested on various quality parameters and been approved to be excellent in many respects such as performance, durability, etc. The high pressure seals have strong wear resistance to hard conditions
4. This product has perfect quality and our team has a rigorous attitude of continuous improvement on this product. DMS Seals implements and optimizes its quality control systems
5. Our product is used and known for its reliability. We can support OEM and ODM

1. Installation Recommendation 

2. Installation Sizes

Bore 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
8-14.9	15-39.9	-	DN-4.9	2.2	0.4	0.3	0.20	0.15	1.78
15-39.9	40-79.9	-	DN-7.5	3.2	0.6	0.4	0.25	0.15	2.62
40-79.9	80-132.9	15-39.9	DN-11.0	4.2	1.0	0.4	0.25	0.20	3.53
80-132.9	133-329.9	40-79.9	DN-15.5	6.3	1.3	0.5	0.30	0.20	5.33
133-329.9	330-699.9	80-132.9	DN-21.0	8.1	1.8	0.6	0.35	0.25	7.00
330-669.9	670-99.9	133-329.9	DN-24.5	8.1	1.8	0.6	0.35	0.25	7.00
670-999.9	≥1000	330-669.9	DN-28.0	9.5	2.5	0.7	0.50	0.30	8.40
≥1000	≥1000	≥1000	DN-38.0	13.8	3.0	1.0	0.70	0.60	12.00

3. Application and properties

Standard double acting seal. Suitable for reciprocating motion, allowing larger extrusion clearances, has wide application. Dynamic and static sealing property are excellent, be able to work in dusty condition. Low friction, simple groove, strong adaptability to work conditions.

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 and others

6. Installation Dimensions

Bore Dia.	Groove Dia.	Groove Width	Order No.	O-Ring Dimensions
DN H9	d1 h9	L1+0.2
8 10 12	3.1 5.1 7.1	2.2 2.2 2.2	GSF8*3.1*2.2 GSF10*5.1*2.2 GSF12*7.1*2.2	2.90*1.78 4.80*1.8 6.70*1.8
14 15 15	9.1 10.1 7.5	2.2 2.2 3.2	GSF14*9.1*2.2 GSF15*10.1*2.2 GSF15*7.5*3.2	8.75*1.8 7.59*2.62 8.75*1.8
16 16 18	11.1 8.5 13.1	2.2 3.2 2.2	GSF16*11.1*2.2 GSF16*8.5*3.2 GSF18*13.1*2.2	10.82*1.78 7.59*2.62 12.42*1.78
18 20 20	10.5 15.1 12.5	3.2 2.2 3.2	GSF18*10.5*3.2 GSF20*15.1*2.2 GSF20*12.5*3.2	9.19*2.62 14.00*1.78 12.37*2.62
24 24 25	19.1 16.5 17.5	2.2 3.2 3.2	GSF24*19.1*2.2 GSF24*16.5*3.2 GSF25*17.5*3.2	18.77*1.78 15.54*2.62 17.12*2.62
25 28 28	14 20.5 17	4.2 3.2 4.2	GSF25*14*4.2 GSF28*20.5*3.2 GSF28*17*4.2	13.87*3.53 20.29*2.62 15.47*3.53
30 30 32	22.5 19 24.5	3.2 4.2 3.2	GSF30*22.5*3.2 GSF30*19*4.2 GSF32*24.5*3.2	21.89*2.62 26.70*1.78 23.47*2.62

Company Features
1. Dms Seals Technology Co.,limited has established a more complete quality assurance system and product testing standards.
2. Our company bears social responsibility. By simplified processes using new innovative materials, our members can reduce raw material use and fully utilize the needed resources, which contributes to the sustainable eco-efficient resource use.