GSF - Bronze PTFE Hydraulic Piston Seal glyd ring with NBR/FKM O-Ring
1. Installation Recommendation
2. Installation Sizes
Bore 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 |
8-14.9 | 15-39.9 | - | 2.2 | 0.4 | 0.3 | 0.20 | 0.15 | 1.78 | |
15-39.9 | 40-79.9 | - | DN-7.5 | 3.2 | 0.6 | 0.4 | 0.25 | 0.15 | 2.62 |
40-79.9 | 80-132.9 | 15-39.9 | DN-11.0 | 4.2 | 1.0 | 0.4 | 0.25 | 0.20 | 3.53 |
80-132.9 | 133-329.9 | 40-79.9 | DN-15.5 | 6.3 | 1.3 | 0.5 | 0.30 | 0.20 | 5.33 |
133-329.9 | 330-699.9 | 80-132.9 | DN-21.0 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 |
330-669.9 | 670-99.9 | 133-329.9 | DN-24.5 | 8.1 | 1.8 | 0.6 | 0.35 | 0.25 | 7.00 |
670-999.9 | 330-669.9 | DN-28.0 | 9.5 | 2.5 | 0.7 | 0.50 | 0.30 | 8.40 | |
≥1000 | ≥1000 | ≥1000 | DN-38.0 | 13.8 | 3.0 | 1.0 | 0.70 | 0.60 | 12.00 |
3. Application and properties
Standard double acting seal. Suitable for reciprocating motion, allowing larger extrusion clearances, has wide application. Dynamic and static sealing property are excellent, be able to work in dusty condition. Low friction, simple groove, strong adaptability to work conditions.
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 and others |
6. Installation Dimensions
Bore Dia. | Groove Dia. | Groove Width | Order No. | O-Ring Dimensions |
DN H9 | d1 h9 | L1+0.2 | ||
8 10 12 | 3.1 5.1 7.1 | 2.2 2.2 2.2 | GSF8*3.1*2.2 GSF10*5.1*2.2 GSF12*7.1*2.2 | 2.90*1.78 4.80*1.8 6.70*1.8 |
14 15 15 | 9.1 10.1 7.5 | 2.2 2.2 3.2 | GSF14*9.1*2.2 GSF15*10.1*2.2 GSF15*7.5*3.2 | 8.75*1.8 7.59*2.62 8.75*1.8 |
16 16 18 | 11.1 8.5 13.1 | 2.2 3.2 2.2 | GSF16*11.1*2.2 GSF16*8.5*3.2 GSF18*13.1*2.2 | 10.82*1.78 7.59*2.62 12.42*1.78 |
18 20 20 | 10.5 15.1 12.5 | 3.2 2.2 3.2 | GSF18*10.5*3.2 GSF20*15.1*2.2 GSF20*12.5*3.2 | 9.19*2.62 14.00*1.78 12.37*2.62 |
24 24 25 | 19.1 16.5 17.5 | 2.2 3.2 3.2 | GSF24*19.1*2.2 GSF24*16.5*3.2 GSF25*17.5*3.2 | 18.77*1.78 15.54*2.62 17.12*2.62 |
25 28 28 | 14 20.5 17 | 4.2 3.2 4.2 | GSF25*14*4.2 GSF28*20.5*3.2 GSF28*17*4.2 | 13.87*3.53 20.29*2.62 15.47*3.53 |
30 30 32 | 22.5 19 24.5 | 3.2 4.2 3.2 | GSF30*22.5*3.2 GSF30*19*4.2 GSF32*24.5*3.2 | 21.89*2.62 26.70*1.78 23.47*2.62 |
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