watson smith type 421 failsafe rail mount i/p converter
Electronic I/P Converters

All electronic I/P converters have closed loop control, excellent vibration resistance, long term stability and can be mounted in any orientation.
4-20mA signal and a range of output variations.

42 Range

421 - for rail mount applications

  • 3-15psi or 0.2-1bar output
  • High density packing
  • High Flow - 140 l/min (5scfm)
  • DIN rail, manifold or surface mount options

422 - failfreeze (fail in position) converter

  • 3-15psi, 3-120psi, 0.2-1bar, 0.2-8bar output options
  • High Flow - 280 l/min (10scfm)
  • Faifreeze drift rate < 2% setpoint/hour
  • IP65 rating
  • Type N or Intrinsically Safe options

423 - failfreeze (fail in position) converter

  • 3-15psi, 0.2-1bar
  • High Flow - 300Nl/min (10scfm)
  • Faifreeze
  • IP65 rating

425 - failsafe converter for extreme conditions

  • 3-15psi or 0.2-1bar output
  • High Flow - 280 l/min (10scfm)
  • IP66 rating
  • Type N, Intrinsically Safe & Explosion Proof options
  • Fully tropicalised and epoxy painted

Modular (I/P) Pilot Booster Type 120


Miniature pilot pneumatic valve. Available as version with explosion-proof enclosure and customer specified mounting.


Electronic I/P Converters

 


423 - failfreeze (fail in position) converter

 

 

 

 

 

 

 

Electro Mechanical I/P and E/P Converters

Rugged and reliable force balance converters for use in both process control and industrial applications.

100/101X - Electro Mechanical E/P & I/P

  • 4-20mA, 0-10V; 0-60mA signal options
  • Pressure ranges from 3-15psig (0.2-1bar) to 3-120psig (0.2-8bar)
  • Two wire or three wire versions (12/24V)
  • High Flow - 280l/min (10scfm)
  • Weatherproof to IP65
  • Intrinsically safe versions available

Type 140 Electronic Converter (I/P) Failsafe

Robust, explosion-proof pressure converter with Triple Certification and IP66 & NEMA 4X weatherproofing

 


Electro Mechanical I/P and E/P Converters

TYPE 140 ELECTRONIC CONVERTER

Multi-function Electro-Pneumatic Converters

Type 440 Multi-Functional Electro-Pneumatic Converter

Multi-functional electro-pneumatic converter with failure mode selector.

Type 443 Rugged Electronic Pressure Converter

Rugged electro-pneumatic Converter with failsafe or failfreeze operation. Available as Intrinsically Safe version.

Multi-function Electro-Pneumatic Converters


| Watson Smith |

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