Shaft gasket rings
Simmer ring / gufero - radial shaft gaskets are used to seal rotating shafts, most frequently in the following designs:
- engines for crankshaft and cam shaft sealing
- drive shafts in passenger and utility vehicles
- drive shafts in agricultural and construction machinery
- industrial gearboxes
- hydro aggregates
- washing machines
- other possible uses in machines and devices
Designation:
- G - seals with a seal lip
- GP - seals with a seal lip and a duster
- DL - left-hand ribbing of the sealing surface
- DP - right-hand ribbing of the sealing surface
- V - wave outer surface treatment
- NBR - nitrile rubber gasket
- MVQ - silicone rubber gasket
- FKM - fluor-caoutchouch gasket
- ACM - acrylic gasket
Modification
Rubber type
Terms of reference and material characteristics
Designation |
Material type |
Temperature range |
Application |
NBR |
Nitrile rubber |
From -40°C to 100° C |
Oils, greases, water |
ACM |
Acrylate rubber |
From -20°C to 130° C |
Oils, greasesr |
MVQ |
Silicone rubber |
From -30°C to 160° C |
Engine oils |
FKM |
Fluor-caoutchouch rubber |
From -30°C to 160° C |
Oils, greases, water |
PTFE |
Teflon rubber |
From -130° C to 200° C |
Mineral oils, synthetic oils, greases |
- BA - elastomer outer case
- UM - front-face machined sealing edge (most commonly FPM)
- B1 - single-piece metal case
- B2 - metal case with a reinforcing ring
- U..X2 - front-face machined sealing edge (most commonly NBR)
- DUO - two spring-loaded sealing edges
- SL - PT duster - PTFE sealing edge
- X7 - BAB grooved outer case - pressure loadable
- FUD - in a mould produced OF sealing edge - no spring
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