For high viscosity products with extreme temperature (Type MT).
High risk of deposits on shaft.
Design Features
Operating Limits
Materials
• Balanced
• Independent direction of rotation
• No dynamically loaded O-ring
• few components, easy mounting
• Mounting space according
to DIN EN 12756
• Torque transmission is not
transmitted via the bellow
(Type MT)
Pressure:
Temperature:
Sliding speed:
up to 25 bar (360 psi)
external pressure
-50° to +400°C
(-58° to + 752° F)
up to 20 m/s (4.000 FPM) bellow rotating
up to 50 m/s
(10.000 FPM) bellow stationary
Bellow:
AM 350, Hastelloy C
Rotary seal ring:
Carbon graphite,
Silicon and
Tungsten Carbide
Counter seal ring:
Silicon Carbide, Tungsten Carbide
O-Rings:
NBR, FKM, EPDM, FFKM
Profile seal ring:
Graphite
Other parts:
CrNiMo-Steel
Other materials upon request
Designation of parts MUA21
Position
Stationary seal ring
O-Ring of stationary seal ring
O-Ring for metal bellow
Set screw
Metal bellow
1
2
6
9
76
MUA21
MUA21
Designation of parts MTA21
Position
Stationary seal ring
O-Ring of stationary seal ring
O-Ring for metal bellow
Carrier
Set screw
Screw
Metal bellow
Graphite package
