DMS SEALS TECHNOLOGY CO.,LIMITED
The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).
DMS Seals - Hydraulic Seals and Oil Ring Seals Manufacturer & Supplier
40% Bronze Filled PTFE Hydraulic Rod Seal Hydraulic Seal Suppliers
1. Installation Recommendation
2. Installation Sizes
Rod 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 |
3-7.9 | 8-18.9 | - | dN+4.9 | 2.2 | 0.4 | 0.3 | 0.20 | 0.15 | 1.78 |
8-18.9 | 19-37.9 | - | dN+7.3 | 3.2 | 0.6 | 0.4 | 0.25 | 0.15 | 2.62 |
19-37.9 | 38-199.9 | 8-18.9 | dN+10.7 | 4.2 | 1.0 | 0.4 | 0.25 | 0.20 | 3.53 |
38-199.9 | 200-255.9 | 19-37.9 | dN+15.1 | 6.3 | 1.3 | 0.5 | 0.30 | 0.20 | 5.33 |
200-255.9 | 256-649.9 | 38-199.9 | dN+20.5 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 |
256-649.9 | 650-999.9 | 200-255.9 | dN+24.0 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 |
650-999.9 | ≥1000.0 | 256-649.9 | dN+27.3 | 9.5 | 2.5 | 0.7 | 0.50 | 0.30 | 8.40 |
≥1000.0 | - | 650-999.9 | dN+38.0 | 13.8 | 3.0 | 1.0 | 0.70 | 0.60 | 12.00 |
3. Application and properties
Applicable to high and low speed reciprocating motion and high pressure system cylinder rod sealing. Good dimensional stability, not affected by temperature, low friction, strong corrosion resistance, could work in the situation with or without lubrication, easy installation.
Meet the standards of GB/T 15242.1-94 and GB/T 15242.3-94.
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, gas |
6. Installation Dimensions
Rod Dia. | Groove Dia. | Groove Width | Order No. | O-Ring Dimensions |
dN h9 | D1 H9 | L1+0.2 | ||
4 5 6 | 8.9 9.9 10.9 | 2.2 2.2 2.2 | GSJ4*8.9*2.2 GSJ5*9.9*2.2 GSJ6*10.9*2.2 | 5.28*1.78 6.75*1.78 7.65*1.78 |
8 8 10 | 12.9 15.3 14.9 | 2.2 3.2 2.2 | GSJ8*12.9*2.2 GSJ8*15.3*3.2 GSJ10*14.9*2.2 | 9.25*1.78 10.77*2.62 11.8*1.78 |
10 12 12 | 17.3 16.9 19.3 | 3.2 2.2 3.2 | GSJ10*17.3*3.2 GSJ12*16.9*2.2 GSJ12*19.3*3.2 | 12.37*2.62 13.3*1.78 13.94*2.62 |
14 14 15 | 18.9 21.3 19.9 | 2.2 3.2 2.2 | GSJ14*18.9*2.2 GSJ14*21.3*3.2 GSJ15*19.9*2.2 | 15.6*1.78 15.54*2.62 16.67*1.78 |
15 16 16 | 22.3 20.9 23.3 | 3.2 2.2 3.2 | GSJ15*22.3*3.2 GSJ16*20.9*2.2 GSJ16*23.3*3.2 | 17.12*2.62 17.17*1.78 18.72*2.62 |
18 18 19 | 22.9 25.3 29.7 | 2.2 3.2 4.2 | GSJ18*22.9*2.2 GSJ18*25.3*3.2 GSJ19*29.7*4.2 | 18.77*1.78 20.29*2.62 23.39*3.53 |
20 20 22 | 27.3 30.7 29.3 | 3.2 4.2 3.2 | GSJ20*27.3*3.2 GSJ20*30.7*4.2 GSJ22*29.3*3.2 | 21.89*2.62 23.39*3.53 23.47*2.62 |
Professional O Ring Suppliers & O Ring Manufacturers
CONTACT US
TEL: +86-757-86235767
Contact Person: Frank Zhou
E-mail:
sales@dmsseals.com
dms@dmsseals.com
Skype: 13318313660
PAY ATTENTION TO US