eMG1

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eMG1

eMG1
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eMG1

Item Description
1.1 Seal face
1.2 Bellows
1.3 Set of springs
1.4 PEEK-PTFE disk
2 Seat (G6)
3 O-Ring or cup rubber

eMG1

Features

  • For plain shafts
  • Single and dual seal
  • Elastomer bellows rotating
  • Balanced
  • Independent of direction of rotation
    • test

Advantages

  • 100 % compatible with MG1
    •
  • Small outer diameter of bellows support (dbmin) enables direct retaining ring support, or smaller spacer rings
  • Optimal alignment characteristic through self-cleaning of disk/shaft
  • Improved centering across entire pressure operating range

  • No torsion on bellows
  • Shaft protection over entire seal length
  • Protection of seal face during installation due to special bellows design
  • Insensitive to shaft deflections due to large axial movement ability
  • Suitable for low-end sterile applications

Operating range

Shaft diameter:
d1 = 14 … 110 mm (0.55" ... 4.33")
Pressure: p1 = 18 bar (261 PSI),
vacuum ... 0.5 bar (7.25 PSI),
up to 1 bar (14.5 PSI) with seat locking
Temperature: t = -20 °C … +140 °C
(-4 °F … +284 °F)
Sliding velocity: vg = 10 m/s (33 ft/s)
Admissible axial movement: ±2.0 mm (±0.08")

Materials

Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (eSiC-Q7)
Seat: Silicon carbide (eSic-Q7, Q1)
Elastomer: NBR (P), EPDM (E), FKM (V),
HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy® (M)

Standards and approvals

Various material approvals available
(depending on type and material combinations).
Please inquire!
  • FDA
  • UBA (KTW)
  • ACS
  • W270

Notes

The eMG1 can also be used as a multiple seal in tandem or in a back-to-back arrangement, please inquire. Other materials and designs available on request.


Product variants

eMG
Dimensions, items and designations same as for eMG1, but with an shortened bellows tail to achieve the fitting length IS. Shortest fitting length.
eMG12
Dimensions, items and designations same as for eMG1, but with an extended bellows tail to achieve the fitting length I1k according to EN 12756 in combination with seat G6 or G60 (da exceeds EN 12756).
eMG13
Dimensions, items and designations same as for eMG1, but with an extended bellows tail to achieve the fitting length I1N according to EN 12756 in combination with seat G6 or G60 (da exceeds EN 12756).
eRMG1
Identical to eMG1, but with a special bellows surface on the shaft side. For use in hot water pumps

d1 = 14 … 38 mm (0.55" ... 1.50")
Seat G6: Silicon carbide (eSiC-Q7)

A/eSIC-Q7:
120 °C (248 °F) and 25 bar (363 PSI) 140 °C (284 °F) and 16 bar (232 PSI)

B/eSIC-Q7:
120 °C (248 °F) and 18 bar (161 PSI)

eSIC-Q7/eSIC-Q7:
120 °C (248 °F) and 18 bar (161 PSI)

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eMG - 20 % shorter

eMG - same technical features, 20 % shorter installation length

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