GSJ - Bronze PTFE Hydraulic Rod Seal Step Seal with NBR/FKM O-Ring
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 | ||
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 |
22 25 25 | 32.7 32.3 35.7 | 4.2 3.2 4.2 | GSJ22*32.7*4.2 GSJ25*32.3*3.2 GSJ25*35.7*4.2 | 26.57*3.53 26.64*2.62 29.74*3.53 |
28 30 32 | 38.7 40.7 42.7 | 4.2 4.2 4.2 | GSJ28*38.7*4.2 GSJ30*40.7*4.2 GSJ32*42.7*4.2 | 31.34*3.53 34.52*3.53 36.09*3.53 |
35 36 38 | 45.7 46.7 53.1 | 4.2 4.2 6.3 | GSJ35*45.7*4.2 GSJ36*46.7*4.2 GSJ38*53.1*6.3 | 37.69*3.53 40.87*3.53 43.82*5.33 |
40 40 42 | 50.7 55.1 57.1 | 4.2 6.3 6.3 | GSJ40*50.7*4.2 GSJ40*55.1*6.3 GSJ42*57.1*6.3 | 44.04*3.53 43.82*5.33 46.99*5.33 |
45 45 50 | 55.7 60.1 60.7 | 4.2 6.3 4.2 | GSJ45*55.7*4.2 GSJ45*60.1*6.3 GSJ50*60.7*4.2 | 47.22*3.53 50.17*5.33 53.57*3.53 |
50 55 56 | 65.1 70.1 66.7 | 6.3 6.3 4.2 | GSJ50*65.1*6.3 GSJ55*70.1*6.3 GSJ56*66.7*4.2 | 56.52*5.33 59.69*5.33 59.92*3.53 |
56 56 60 | 71.1 76.5 75.1 | 6.3 8.1 6.3 | GSJ56*71.1*6.3 GSJ56*76.5*8.1 GSJ60*75.1*6.3 | 59.69*5.33 62.87*6.99 66.04*5.33 |
Contact
Supplier
