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5A Mechanical seal according to DIN EN 12756

Mechanical seal according to DIN EN 12756 5A

For all pump type series with a standardised seal installation space to DIN EN 12756 Single, unbalanced component seal, dynamic design. The seal is easy to install and designed for universal use.
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Technical Data

Cartridge seal
No
Design
Dynamic
Balancing
Unbalanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
220 °C

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Benefits

  • The single unbalanced seal features a circlip which holds together the dynamic unit. This makes installation so much easier compared with similar competitor seals.
  • Also for use with a quench system and as a double mechanical seal in back-to-back or tandem arrangement
  • The seal is designed for universal use and fits perfectly into standardised installation spaces, e.g. of Multitec, MegaCPK and Etanorm pumps.

Technical Data

Maximum allowable axial movement
3 mm
Minimum allowable axial movement
-3 mm
Cartridge seal
No
Maximum allowable dynamic pressure
25 bar
Design
Dynamic
Balancing
Unbalanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
1.4501,
1.4571,
2.4610
Mtrl mech.seal spring
1.4571,
2.4610
Mtrl Secondary seal inboard
FKM,
EPDM,
FFKM
Mtrl Mating ring inboard
Q1 [SIC, DRUCKLOS GESINTERT],
U2 [TUNGSTEN CARBIDE, NI-BINDER],
Q7 [SIC,POROUS,SINTERED PRESSURELESS,NO GRAPHIT]
Mtrl Primary ring inboard
A [CARBON, METAL-IMPREGNATED],
B [CARBON, RESIN-IMPREGNATED],
Q1 [SIC, DRUCKLOS GESINTERT],
U2 [TUNGSTEN CARBIDE, NI-BINDER],
Q7 [SIC,POROUS,SINTERED PRESSURELESS,NO GRAPHIT]
Direction of rotation
Bi-directional
Maximum allowable sliding velocity
20 m/s
Spring design
Multiple springs
Maximum allowable static pressure
37.5 bar
Maximum allowable fluid temperature
220 °C
Minimum allowable fluid temperature
-50 °C

Sectional Drawings

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