Rotary shaft seals
Rotary shaft seal Rotolip® twin lip
Rotary shaft Seals Rotolip® twin lip
OVERVIEW
td width="70%">Operating conditions:
-Temperature -60 +250°C
-Speed max 5m/sec in dry conditions, up to 15m/sec with lubrication
-Runout 0.15 max
-Pressure max 4 bar
RD60
RD66
| Housing Class |
A shaft |
B |
L | G max. radial gap |
R max. |
S* min. |
C min. |
| f7 | H9 | H12 | |||||
| R1 | 6 - 19,9 | A+12 | 8.0 | 0.3 | 0.1 |
3 |
0,3 |
| R2 | 20 - 39,9 | A+14 | 8.7 | 0.5 | 0.2 |
4 |
0,6 |
| R3 | 40 - 99,9 | A+18 | 10.8 | 0.8 | 0.2 |
5 |
0,9 |
| R4 | 100 - 219,9 | A+22 | 13.0 | 0.8 | 0.2 |
6 |
1,2 |
| R5 | 220 - 500 | A+26 | 15,0 | 0,8 | 0,2 | 6 | 1,2 |
|
* Double chamfer length if rod is inserted against the direction of the sealing-lip these dimensions are a suggestion only, we can design the Rotolip according with your existing grooves |
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| Coding example | |
| housing class R3 profile code RD60 shaft 50 materials: jacket Neuflon 032 O-Ring NBR |
Rotolip R3 RD60 050 N-032 NBR |
finishes
| SURFACE FINISH ACCORDING WITH FLUID | ||
| application | max Ra µm dynamic surface |
max Ra µm static surface |
| CRYOGENICS | 0,1 | 0,2 |
| FREON HELIUM HYDROGEN |
0,2 | 0,3 |
| AIR NITROGEN ARGON METHANE FUELS |
0.2 | 0.4 |
| WATER OIL |
0.3 - 04 | 0.6 |
| ROTARY SEALS | ||
| Shaft surface Ra 0.2 - 0.3 micron max. Rz 1.0 - 2.5 micron max. R max. < 4 micron |
Shaft hardness 55 HRC min. for pressure up to 5 bar 60 HRC min. for pressure > di 5 bar 60 HRC for speed > 4m/sec |
Surface treating deep 0.3 mm min. |
materials
Click compound's code to download the .PDF data sheet. Login required.
| HD Slippers code |
Composition | Color | Approvals | ΔT °C | Description |
| N-009 | Ptfe-oxides | blue | -268 +260 | All pourpose on soft surfaces | |
| N-095 | Tfm | white | FDA | -268 +260 | Low creep, better strength. |
| N-031 | Ptfe-bronze | green-blue | -268 +260 | High wear resistance, hidraulic seals | |
| N-032 | Ptfe-carbon | black | -268 +260 | High wear resistance, pneumatic and hydraulic seals | |
| N-197 | Ptfe-carbographite | black | NORSOK | -268 +260 | High wear resistance, hydraulic and pneumatic seals |
| N-043 | Ptfe-graphite | black | FDA | -268 +260 | High wear resistance, low friction coefficient. |
| N-060 | Ptfe-glass fibre | blue | FDA | -268 +260 | All pourpose on hard surfaces |
| N-067 | Ptfe-glass fibre | white | FDA NORSOK |
-268 +260 | High wear and creep resistance |
| N-033 | Ptfe-glass fibre MoS2 | gray | FDA | -268 +260 | Fit for hard surfaces |
| N-103 | Ptfe-Carbon fibre | black | -268 +260 | Fit for hard surfaces | |
| N-102 | Ptfe-Liquid crystal polymer | beige | FDA - EU |
-268 +260 | Food & Pharma, fit for soft surfaces |
| N-088 | Ptfe-polyimide | yellow |
-268 +260 |
Fit for soft surfaces | |
| N-074 | PEHMW | white | FDA | -140 +80 | High wear and extrusion resistance |
| N-155 | PVDF | white | FDA | -30 +140 | High modulus |
| P95-A252 | Polyurethane | blue | FDA | -50 +105 | Extrusion and wear withstanding, low friction coefficient |
| P95-VI251 | Polyurethane | violet | FDA | -30 +115 | CIP (clean in place) fluids compatible |
| P95-R198 | Polyurethane | red | -30 +125 | Extrusion and wear withstanding, low friction coefficient, high temperatures | |
| P95-AR255 | Polyurethane | orange | -30 +135 | Extrusion and wear withstanding, low friction coefficient, higher temperatures | |
| P95-G253 | Polyurethane MoS | gray | -30 +105 | Extrusion and wear withstanding, lower friction coefficient |
| CHOOSING Neuflon-ptfe compound ACCORDING WITH FLUID AND SURFACE | |||||
| SURFACES | |||||
| Steel HEC>=30-45 Temp. Mart. Inox Steel Cast Iron HRB<=200 Steel HRC>=45 Cast Iron HRB>200 |
Galvanic or chemical surfacing HV>=700 Chromium Bronze |
Bronze Brass |
Treated Aluminium | Aust. Inox Steel Glass |
|
| FLUIDS | NEUFLON-ptfe compounds (standard in bold) | ||||
| Hydraulic oil Transmission oil Fire resistant syntetic hydraulic oil |
N-031 N-032 N-060 P95-A112 |
N-031 N-032 N-060 P95-A112 |
N-009 N-043 N-032 P95-A112 |
N-032 N-074 P95-A112 | N-009 N-032 N-074 P95-A112 |
| Water and oil/water emulsions | N-032 N-060 N-074 |
N-032 N-060 N-074 |
N-009 N-043 N-074 |
N-032 N-074 |
N-009 N-032 N-074 |
| Drugs and food | N-074 N-102 N-043 N-060 N-095 P95-B113 |
N-009 N-074 P95-B113 |
N-102 N-009 P95-B113 |
N-009 N-074 P95-B113 |
N-009 N-074 P95-B113 |
| Air | N-032 N-031 N-043 N-074 P95-A112 |
N-032 N-043 P95-A112 |
N-032 N-009 N-043 N-074 P95-A112 |
N-032 N-074 P95-A112 |
N-032 N-009 N-043 N-074 P95-A112 |
| Steam | N-032 N-043 |
N-032 | N-009 N-032 N-043 |
N-032 N-009 N-043 |
|
| Acids and Bases | N-032 N-074 |
N-032 N-043 N-074 |
N-009 N-032 N-043 N-074 |
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ELASTOMER ACCORDING WITH FLUID
| FLUIDS | ELASTOMERS |
| HYDRAULIC OIL - TRANSMISSION OIL | NBR |
| FIRE RESISTANT SYNTETIC HYDRAULIC OIL | EPDM |
| WATER AND WATER/OIL EMULSIONS | NBR |
| FOOD AND DRUG | MVQ |
| AIR | NBR |
| STEAM | EPDM - FFKM |
| ACIDS AND BASES | FKM - FFKM |