DMS Seals New molded seals vendor for larger piston clearance

Company Advantages
1. DMS Seals has passed the necessary safety testing. It has been tested with regard to chemicals (lead, flame retardants, formaldehyde, etc.), flammability, and mechanical hazards (sharp points and edges). DMS O Ring Manufacturers strictly follows the ISO9001 international quality certification system for production management
2. Our molded seals is in great demand and we have on hand many enquiries from other countries. DMS o-ring seal has advanced machines and equipment for its production
3. The product has good dimensional stability. Through the heat setting process, the internal stress of the fiber is eliminated, and the physical and mechanical properties of the fiber are improved. Our products mainly include rod seals, piston seals, scraper seals, rotary seals, rubber seal products and spring seals

1. Installation Recommendation 

2. Application and properties

Suitable for long stroke, a wide range of fluids and high temperature occasions. The application of heavy duty double acting piston sealing under high pressure conditions is excellent. Applicable to larger piston clearance , it has good leakage control, extrusion resistance and wear resistance in heavy duty and construction machinery cylinder piston sealing system. Good static sealing property, simple groove structure, larger extrusion clearances can be allowed, be able to work in dusty condition.

3. Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

Back-up ring: POM / PA

4. Working Conditions

Working  Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
50 - 350mm	0 - 50MPa	-30℃ +100℃	1.5 m/s	hydraulic oil, flame retardant liquid, water and others

5. Installation Dimensions

Nominal Size of Packing, and Housing dimensions			L+0.2	Order No.
D1	dN	H
50 55 60	36 41 46	8.5 8.5 8.5	9 9 9	SPGW50*36*8.5 SPGW55*41*8.5 SPGW60*46*8.5
63 65 70	48 50 55	10.5 10.5 10.5	11 11 11	SPGW63*48*10.5 SPGW65*50*10.5 SPGW70*55*10.5
75 80 85	60 65 70	10.5 10.5 10.5	11 11 11	SPGW75*60*10.5 SPGW80*65*10.5 SPGW85*70*10.5
90 95 100	75 80 85	10.5 10.5 12	11 11 12.5	SPGW90*75*10.5 SPGW95*80*10.5 SPGW100*85*12
105 110 115	90 95 100	12 12 12	12.5 12.5 12.5	SPGW105*90*12 SPGW110*95*12 SPGW115*100*12
120 125 130	105 102 107	12 15.5 15.5	12.5 16 16	SPGW120*105*12 SPGW125*102*15.5 SPGW130*107*15.5
135 140 145	112 117 122	15.5 15.5 15.5	16 16 16	SPGW135*112*15.5 SPGW140*117*15.5 SPGW145*122*15.5
150 155 160	127 132 137	15.5 15.5 15.5	16 16 16	SPGW150*127*15.5 SPGW155*132*15.5 SPGW160*137*15.5
165 170 180	142 147 157	15.5 15.5 15.5	16 16 16	SPGW165*142*15.5 SPGW170*147*15.5 SPGW180*157*15.5
185 190 200	162 167 177	15.5 15.5 15.5	16 16 16	SPGW185*162*15.5 SPGW190*167*15.5 SPGW200*177*15.5
210 220 225	187 197 202	15.5 15.5 17	16 16 17.5	SPGW210*187*15.5 SPGW220*197*15.5 SPGW225*202*15.5
230 240 250	207 217 222	17 17 17	17.5 17.5 17.5	SPGW230*207*15.5 SPGW240*217*15.5 SPGW250*222*17
260 270 280	232 242 252	17 17 17	17.5 17.5 17.5	SPGW260*232*17 SPGW270*242*17 SPGW280*252*17
300 320 350	272 292 322	17 17 17	17.5 17.5 17.5	SPGW300*272*17 SPGW320*292*17 SPGW350*322*17

Company Features
1. DMS Seals manufacturer is a particularly popular molded seals manufacturer. Located in a place where has industrial clusters, the factory enjoys a geographically advantage. This advantage enables the factory to cut costs in sourcing raw materials or send the products to process.
2. We are proud to own many innovative engineers and elites. They aim at the core value of innovation and lean production, which enables them to offer creative and dependable products for customers from worldwide.
3. We have established our own quality management and monitoring system that is laid down under the scientific concept. Under the guidance of this system, productivity and efficiency have been significantly improved. We take "Customer First and Continual Improvement" as the company's tenet. We have established a customer-centric team who specially solve problems, such as responding to customers' feedback, giving advice, knowing their concerns, and communicating with other teams to make the problems be solved.