DMS Seals dowty seal manufacturer company

Company Advantages
1. DMS Seals is precisely manufactured by the sophisticated production lines. DMS Seals takes the lead in grasping the development trend of the industry
2. Installing this product at homes, offices, hotels, or workplaces is a smart way to reduce utility bills. It is widely applied to various applications due to its low energy consumption. DMS Seals provides professional design and production of high-grade o-ring seals
3. The product is proven to function timelessly on a basis of its reasonable design and fine craftsmanship. It can be used for a long time without breakdown. DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management

1. Installation Recommendation

2. Installation Sizes

Rod Diameter	Outer Diameter	Groove Width	Install Chamfer	Radius	Radial Clearance                S max.
d f8	D H8	L+0.2	L1	R1	10MPa	20MPa	40MPa
50-69.9	d+15.0	7.5	5.0	0.4	0.5	0.4	0.3
70-149.9	d+20.0	10.1	6.0	0.4	0.7	0.5	0.4
200-244.9	d+25.0	12.5	8.5	0.4	0.8	0.6	0.5
245-519.9	d+30.0	15.0	10.0	0.8	0.9	0.7	0.6
520-769.9	d+35.0	17.5	13.0	1.2	1.0	0.8	0.7
770-1500	d+40.0	20.0	15.0	1.2	1.0	0.8	0.7

3. Application and properties

Applied for larger diameter piston rods and heavy-duty hydraulic rod sealing system in hard working conditions. High pressure resistance, excellent resistance to gap extrusion, wear-resisting.

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	-30℃ +100℃	5 m/s	hydraulic oil, flame retardant liquid, water, gas

6. Installation Dimensions

Rod Dia.	Outer Dia.	Groove Width	Order No.
d f8	D H8	L+0.2
50 60 70	65 75 85	7.5 7.5 7.5	GSJ-W50*65*7.5 GSJ-W60*75*7.5 GSJ-W70*85*7.5
75 80 100	95 100 120	10 10 10	GSJ-W75*95*10 GSJ-W80*100*10 GSJ-W100*120*10
110 115 120	130 135 140	10 10 10	GSJ-W110*130*10 GSJ-W115*135*10 GSJ-W120*140*10
130 140 145	150 160 165	10 10 10	GSJ-W130*150*10 GSJ-W140*160*10 GSJ-W145*165*10
150 160 170	170 180 190	10 10 10	GSJ-W150*170*10 GSJ-W160*180*10 GSJ-W170*190*10
175 180 200	195 200 220	10 10 10	GSJ-W175*195*10 GSJ-W180*200*10 GSJ-W200*220*10
230 240 250	255 265 275	12.5 12.5 12.5	GSJ-W230*255*12.5 GSJ-W240*265*12.5 GSJ-W250*275*12.5
260 265 270	285 290 295	12.5 12.5 12.5	GSJ-W260*285*12.5 GSJ-W265*290*12.5 GSJ-W270*295*12.5
280 290 300	305 315 325	12.5 12.5 12.5	GSJ-W280*305*12.5 GSJ-W290*315*12.5 GSJ-W300*325*12.5

Company Features
1. DMS Seals has gained its popularity all over the world.
2. In recent years, we have gained a stable presence in overseas markets due to the recognized manufacturing competence, mainly in North America, Southeast Asia, and some Europe countries.
3. We treat every customer as a long-term partner. Their interest and needs are our foremost priority. We will provide them with the best to gain maximum satisfaction. Welcome to visit our factory!