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Pneumatic Linear Vibrators - NTK Series

Supplier: Vibration Systems & Solutions

Piston model are either non-impacting or impacting models, with the former being preferred for most applications.

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In both types, a piston reciprocates inside a cylinder with internal ports giving the back & forth motion without the need for special valve arrangements.

In non-impacting types, a self-generated air cushion eliminates metal-to-metal impact at each end of the piston stroke, reducing noise levels and stress on the hopper wall. Most VSS models of this type are designed as non-impacting units and are not modified impact models. As with the rotary types, regulating the air inlet pressure will change the frequency and force, but the amplitude can also be reduced by throttling the exhaust (effectively increasing the internal air cushion so that the piston doesn't travel the full length of the cylinder).

Pneumatic Linear Vibrators - NTK Series

  • Linear vibration
  • Nominal frequency from 420 min-1 to 3,800 min-1
  • Centrifugal force from 14 N to 4,748 N
  • Variable additional weights
  • Frequency and amplitude are separately adjustable
  • Stainless steel version available
  • Ex II 2 GD 85ºC (T6) available (ATEX)

Applications
The pneumatic linear vibrators series NTK are especially suitable for conveying, compacting and loosening bulk material, due to the completely linear  vibration. They may also serve to stimulate and influence production processes. A special feature of the NTK vibrators is the variety of mounting options. It is possible to attach the housing or the piston to a vibrating mass. Additional weights SM allow to adjust the frequency and the amplitude in many different ways.

Design and functioning principle
The vibration (linear) is produced by a freely oscillating, self reversing piston. NTK linear vibrators start and stop instantly in any installed position. The noise level is lower than 80 dB(A). The frequency can be adjusted continuously by regulating the air supply. The amplitude can be adjusted by throttling the exhaust air.

Vibrators with aluminium housing series NTK AL as well as type NTK 15x may be operated lubrication-free in compliance with instructions of NetterVibration. NTK vibrators with steel housing require lubricated air. For operation a control valve is required (not included in scope of delivery). ATEX compliant linear vibrators of the NTK series and units with stainless steel housing are available.

Permissible operating conditions Drive medium:
Compressed air or nitrogen (Filter ≤ 5 μm), preferably with oil mist

Operating pressure:
200 kPa to 600 kPa

Ambient temperature:
NTK AL 5°C to 60°C
NTK 15 x 5°C to 100°C
NTK with steel housing – 10°C to 150°C
HT version up to 200°C

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