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).
Rod Diameter d f8/h9 | Groove Diameter | Groove Width | Step Diameter | Radius | Step Width | |
Standard Application | Suitable | D H9 | L1+0.2 | D1±0.1 | R | a |
140.0-229.9 | 100.0-450.0 | d+22.2 | 6.3 | d+10.7 | 1.2 | 4.2 |
230.0-299.9 | 220.0-450.0 | d+24.2 | 6.3 | d+10.7 | 1.2 | 4.2 |
300.0-629.9 | 250.0-650.0 | d+33.0 | 8.1 | d+15.1 | 1.2 | 6.3 |
630.0-999.9 | 550.0-999.9 | d+36.5 | 9.5 | d+15.1 | 2.0 | 6.3 |
Application and properties
Applicable to agricultural hydraulic press, injection molding machine, metallurgical equipment, etc. Consisting of a sealing ring and two O-Rings as preload element, good dust scraping effect, low friction, no stick slip phenomenon, good ability of adjustment and positioning, especially for large diameter piston rods.
Standard materials
Sealing ring: filled PTFE / PU
O-Ring: NBR / FKM
Working Conditions | ||||
Diameter Range | Pressure Range | Temperature Range | Speed | Medium |
3-1600mm | -30℃+200℃ | 5 m/s | hydraulic oil, flame retardant liquid, water and others |
d f8 | D H9 | H | L1+0.2 | L1 | Order No. |
100 | 122.2 | 13.5 | 6.3 | 4.2 | DPT2-100*122.2*6.3 |
130 | 152.2 | 13.5 | 6.3 | 4.2 | DPT2-130*152.2*6.3 |
160 | 182.2 | 13.5 | 6.3 | 4.2 | DPT2-160*182.2*6.3 |
190 | 212.2 | 13.5 | 6.3 | 4.2 | DPT2-190*212.2*6.3 |
220 | 242.2 | 13.5 | 6.3 | 4.2 | DPT2-220*242.2*6.3 |
250 | 272.2 | 13.5 | 6.3 | 4.2 | DPT2-250*272.2*6.3 |
275 | 297.2 | 13.5 | 6.3 | 4.2 | DPT2-275*297.2*6.3 |
295 | 317.2 | 13.5 | 6.3 | 4.2 | DPT2-295*317.2*6.3 |
340 | 373 | 18.4 | 8.1 | 6.3 | DPT2-340*373*8.1 |
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