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5B Mechanical seal according to DIN EN 12756

Mechanical seal according to DIN EN 12756 5B

For all pump type series with a standardised seal installation space to DIN EN 12756 Single, balanced 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
Balanced mechanical seal
Sealing type
Single
Maximum allowable fluid temperature
220 °C

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Benefits

  • The single balanced 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
40 bar
Design
Dynamic
Balancing
Balanced mechanical seal
Sealing type
Single
Mtrl metallic compon.mech.seal
X2CRNIMOCUWN25-7-4,
X6CRNIMOTI17-12-2,
NIMO16CR16TI
Mtrl mech.seal spring
X6CRNIMOTI17-12-2,
NIMO16CR16TI
Mtrl Secondary seal inboard
FLUORINATED RUBBER,
ETHYLENE-PROPYLENE-DIENE-RUBBER,
PERFLUORO-RUBBER
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
60 bar
Maximum allowable fluid temperature
220 °C
Minimum allowable fluid temperature
-50 °C

Sectional Drawings

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