Simmerring B2PT0 pages
Simmerrings | Simmerring B2PT
nnnnsimrif-
nnnnSimmerring B2PT
nnnnOperating conditions
nnnnProduct description
nnnnDesign for extreme thermal and chemical loads, dry running,
nnnninsufficient lubrication and meeting demands for stick-slip-free
nnnnbehaviour. Metal housing made from stainless steel, sealing lip
nnnnmade from PTFE 10/F56101.
nnnnProduct advantages
nnnn■ Special range of applications in general mechanical enginee-
nnnnring and in the chemical industry
nnnn■ High temperature resistance
nnnn■ For dry running and insufficient lubrication
nnnn■ High chemical resistance
nnnn■ In case of requirements for stick/slip-free behaviour (Note: for
nnnnlimited requirements on dynamic sealing behaviour! Static sea-
nnnnling at the outer casing limited with low viscosity and gaseous
nnnnmedia)
nnnnProduct properties
nnnn■ Outer casing: metal housing
nnnn■ Sealing lip made of PTFE
nnnnApplication
nnnn■ Rotary joints
nnnn■ Mixers
nnnn■ Pumps
nnnn■ Centrifuges
nnnnMedia | Mineral oils, synthetic oils, greases, water, acids, alkalis, solvents, gases |
T | -80 ... +200 °C |
V | <30 m/s |
P | <1 MPa |
Max. permissible values depenc | on the other operating |
conditions.
nnnnFitting & installation
nnnnShaft
nnnnTolerance | ISO h 11 |
Runout | IT 8 |
Ra = 0,2 ... 0,8 |jm | |
Roughness | Rz = 1,0 ... 5,0 |jm |
Rmax<6,3 Mm | |
Hardness | 45 ... 60 HRC |
Finish | No lead; preferably plunge ground |
Housing bore
nnnnTolerance | ISO H8 |
Roughness metal outer surface OD | Rz = 6,3 ... 16,0 Mm |
Careful fitting according to DIN 3760 is a prerequisite for the
nnnncorrect function of the seal -* Technical Manual.
nnnnRange of dimensions for shafts-0 dl
nnnn10 ... 125 mm
nnnnSimmerring B2PT
nnnnMaterial
nnnnMetal housing | Stainless steel as per material No. 1.4571 |
Sealing lip | PTFE 10/F56101 carbon-filled, exactly centred and pre-stretched |
O-Ring |
Freudenberg Simrit GmbH & Co. KG | Simmerrings and Rotary Seals eCatalog 2009
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