MTM20

Operative limits

Product description

Conical spring, unbalanced, dependent on direction of rotation, utilised for general services machineries at low and medium pressure; they can be also manufactured in accordance to UNI EN 12756 ex DIN 24960 standard and they are available in different materials. Thanks to many different stationary rings, the seals are able to be installed on every applications.

Available stationary rings

S2
S3
S4

Operative limits

d = from 10 mm (0,39″) up to 40 mm (1,57″) *
p1 = 16 bar (232 PSI)
T = from -50°C (-58°F) to +180°C (+356°F)
vg = 15 m/s (50 ft/s)
Vacuum = 0,5 bar (7,25 psi)
Axial movement : +/-1,0 mm
* Available in inches too

Standard face materials

Rotary face:
Al Oxide (A)
silicon carbide (S1)
tungsten carbide (T1)

Stationary face:
resin/antimony carbon (G/G1)
silicon carbide (S/S1)
tungsten carbide (T/T1)

Elastomers

NBR / Nitrile (N)
EPDM / Ethilene propylene (E)
FKM / Viton® (V)

Applications

Water and sewage water pumps
Process industry
Food and beverage industry
Pharmaceutical industry
Power plant industry
Centrifugal pumps
Marine pumps
Fuel oil pumps
Lube oil pumps
Screw pumps
Gear pumps
Domestic and garden pumps
Swimming pool pumps
Dishwasher pumps
Low solids content

MTM20

Part list

1. Rotary ring
2. Rotary case
3. Spring
4. Stationary ring
5. O-ring
6. O-ring
7. O-ring
8. Pin

Product description

Conical spring, unbalanced, dependent on direction of rotation, utilised for general services machineries at low and medium pressure; they can be also manufactured in accordance to UNI EN 12756 ex DIN 24960 standard and they are available in different materials. Thanks to many different stationary rings, the seals are able to be installed on every applications.

Available stationary rings

S2
S3
S4

Part list

1. Rotary ring
2. Rotary case
3. Spring
4. Stationary ring
5. O-ring
6. O-ring
7. O-ring
8. Pin

Standard face materials

Rotary face:
Al Oxide (A)
silicon carbide (S1)
tungsten carbide (T1)

Stationary face:
resin/antimony carbon (G/G1)
silicon carbide (S/S1)
tungsten carbide (T/T1)

Elastomers

NBR / Nitrile (N)
EPDM / Ethilene propylene (E)
FKM / Viton® (V)

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