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DMS SEALS TECHNOLOGY CO.,LIMITED

DMS Seals - Hydraulic Seals and Oil Ring Seals Manufacturer & Supplier

The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).

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Home  > PRODUCTS  > Piston Seals  >  Dpm Hydraulic Support Compound Seal Mechanical Parts
Dpm Hydraulic Support Compound Seal Mechanical Parts

Dpm Hydraulic Support Compound Seal Mechanical Parts

Diameter Range
40-280mm
Pressure Range
0-35MPa
Temperature Range
-30℃+120℃
Speed
0.5m/s
Medium
petroleum base hydraulic oil,nonflammable hydraulic oil, environmental protection hydraulic oil
Price
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Product Description
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DMS Seal Manufacturer-Hydraulic Piston Seal | Piston Seals | Dms Seal Manufacturer



1. Performance and use

DPM is a double-acting sealing and guiding element consisting of 1 elastomer, 2 retaining rings and 2 guiding rings. The elastic body can play a good sealing role both dynamically and statically. The retaining ring can prevent the elastic body from being squeezed into the sealing gap. The function of the guide ring is to guide the piston in the cylinder and absorb radial force.

It is mainly used for oil cylinders with low movement speed, strict requirements on internal leakage, and limited installation space for piston seals. Such as bulldozers, excavators, loaders, hydraulic gates and agricultural machinery.

The outstanding feature of this seal is that the retaining ring, guide ring and seal are installed in one groove, which greatly saves the installation space. Usually used for oil cylinders with small bores, no other seals are required on the pistons.

Typically used for one-piece pistons.


2. Materials

Guide ring: polyoxymethylene POM

Retaining ring: TPU polymer

Elastomer: Nitrile rubber NBR


3. Precautions:

Ⅰ. Under normal circumstances, for oil cylinders with small cylinder diameters and small eccentric loads, there is no need to install additional guide rings on the pistons. If the bore diameter is large (greater than 60-70), it is recommended to install guide rings.

Ⅱ. Note that the moving speed of this seal shall not be higher than 0.3m/s.


Product Parameters


NO.SIZENO.SIZE
1DPM25*15*12.5*462DPM110*96*22.5*5.2
2DPM25*15*16.4*6.3563DPM115*90*22.4*6.35
3DPM25*16*13.5*2.164DPM115*97*22.5*3.6
4DPM25*17*10*465DPM120*95*22.4*6.35
5DPM25*17*13.5*3.266DPM120*106*22.5*5.2
6DPM30*17*15.4*6.3567DPM125*100*25.4*6.35
7DPM30*21*13.5*2.168DPM125*100*32*10
8DPM32*22*12.5*469DPM125*103*26.5*5.1
9DPM32*22*15.5*2.670DPM125*105*25*6.35
10DPM32*22*16.4*6.3571DPM125*105*25.4*6.35
11DPM32*24*10*472DPM125*108*26.5*7.2
12DPM35*25*15.5*2.673DPM130*105*25.3*6.35
13DPM35*25*16.4*6.3574DPM130*105*25.4*9.5
14DPM40*24*18.4*6.3575DPM135*110*25.3*6.35
15DPM40*26*15.5*2.676DPM135*110*25.4*9.5
16DPM40*30*12.5*477DPM140*115*25.4*6.35
17DPM40*30*16.4*6.3578DPM140*115*25.4*9.5
18DPM40*32*10*479DPM140*115*32*10
19DPM40*32*15.5*3.280DPM140*123*26.5*7.2
20DPM45*29*18.4*6.3581DPM145*120*25.3*6.35
21DPM45*31*15.5*2.682DPM145*120*25.4*9.5
22DPM45*35*16.4*6.3583DPM150*125*25.3*6.35
23DPM45*37*15.5*3.284DPM150*125*25.4*9.5
24DPM50*34*18.4*6.3585DPM150*128*26.5*5.1
25DPM50*34*20.5*3.186DPM150*133*26.5*7.2
26DPM50*38*20.5*4.287DPM155*130*25.3*6.35
27DPM55*39*18.4*6.3588DPM155*130*25.4*9.5
28DPM55*39*20.5*3.189DPM160*130*25.3*6.35
29DPM60*44*18.4*6.3590DPM160*130*25.4*9.5
30DPM60*44*20.5*3.191DPM160*135*25.4*9.5
31DPM60*48*20.5*4.292DPM160*135*32*10
32DPM63*47*18.4*6.3593DPM160*138*26.5*5.1
33DPM63*47*19.4*6.3594DPM160*143*26.5*7.2
34DPM63*47*20.5*3.195DPM165*140*25.4*9.5
35DPM63*51*20.5*4.296DPM170*145*25.4*12.7
36DPM63*53*12.5*497DPM170*148*26.5*5.1
37DPM65*49*20.5*3.198DPM175*150*25.4*12.7
38DPM65*50*18.4*6.3599DPM180*150*35.4*6.35
39DPM70*50*22.4*6.35100DPM180*150*36*12.5
40DPM70*54*20.5*3.1101DPM180*155*25.4*12.7
41DPM70*58*20.5*4.2102DPM180*163*26.5*7.2
42DPM75*55*22.4*6.35103DPM185*160*25.4*12.7
43DPM75*59*20.5*3.1104DPM190*165*25.4*12.7
44DPM80*60*22.4*6.35105DPM195*170*25.4*12.7
45DPM80*62*22.5*3.6106DPM200*170*35.4*6.35
46DPM80*65*20*5107DPM200*170*36*12.5
47DPM80*66*22.5*5.2108DPM200*175*25.4*12.7
48DPM85*65*22.4*6.35109DPM200*175*31.5*6.6
49DPM90*70*22.4*6.35110DPM210*185*25.4*12.7
50DPM90*72*22.5*3.6111DPM220*190*35.4*6.35
51DPM90*76*22.5*5.2112DPM220*195*25.4*12.7
52DPM95*75*22.4*6.35113DPM230*205*25.4*12.7
53DPM100*75*22.4*6.35114DPM240*215*25.4*12.7
54DPM100*80*25*6.35115DPM250*220*35.4*6.35
55DPM100*82*22.5*3.6116DPM250*225*25.4*12.7
56DPM100*85*20*5117DPM280*255*25.4*12.7
57DPM100*86*20*5118DPM300*275*25.4*12.7
58DPM100*86*22.5*5.2119DPM320*290*25.4*12.7
59DPM105*80*22.4*6.35120DPM320*290*35.4*9.52
60DPM110*85*22.4*6.35121DPM320*295*25.4*12.7
61DPM110*92*22.5*3.6122DPM360*335*25.4*12.7



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