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120MRD040
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Rotary feedthrough, DN 40 ISO-KF
Order number: 120MRD040

  • With FKM shaft seal and ball bearing, greased to be suitable for vacuum
  • Rotary speed can be increased by up to a factor of two if reduced service life is acceptable
  • With through shaft for directly transmitting high torques
  • With integrated FKM O-ring, installation without additional seal
  • Tightness static: 1 x 10-9 hPa l/s
  • Tightness dynamic: 1 x 10-9 hPa l/s to 5 x 10-7 hPa l/s
Bakeout temperature ≤ 110 °C | ≤ 230 °F | ≤ 383 K
Material Housing: aluminum; shaft: stainless steel
Mounting orientation Arbitrary
Nominal diameter DN 40 ISO-KF
Operating temperature ≤ 50 °C | ≤ 122 °F | ≤ 323 K
Pressure range 1 · 10-8 hPa to ambient pressure
Rotation speed ≤ 750 rpm | ≤ 750 min-1
Service life 20 Mio. cycles
Shaft connection ø 12 x 30 mm
Shaft load, axial 60 N
Shaft load, radial 250 N
Tightness (static) 1 · 10-9 mbar l/s
Transferred torque 25 N m
Weight 0.6 kg | 1.32 lb

Dimension-TIM-RS

Your local contact
Pfeiffer Vacuum Inc.
24 Trafalgar Square
NH 03063-1988 Nashua
USA

+1 (800) 248-8254
+1 (888) 658-7983
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