FLOW SWITCH EARL Type 107 GKL The small yet reliable EARL type 107 GKL flow switch has been designed for constant operation controlling the flow in pipelines 3/8“ to 1“ diameter. Further models for 1 1/4“ to 2“ pipelines are available on request.
Air flow switches EARLType 167 172 173 Tough and unaffected by non-adhesive impurities in the medium these flow switches controls the flow of gases regardless of high operating pressures.
Flow switch type 31d These rugged and hard wearing float operated units measure and control gases and uncontaminated liquids. The units can be mounted in either horizontal or vertical pipes, DN 15 to DN 150, and are suitable for use with pressure ranges PN 10 to PN 320.
Flow switch for low gas- or liquid flows type 41vS The unit has been developed for long-term operational use and controls liquid flows from 0.1 l/h or gas flows from 20 l/h referred to air with standard conditions. The unit is suitable for horizontal pipes with threaded process G ¼. The set point is factory set.
Flow switch -Types 701v and 721v The heavy duty flow switches EARL type 701v and 721v serve to control liquid and high velocity gas flows in pipes DN 25 to DN 250. The type 721v is from DN 25 to DN 40 only available within T-piece with flanged connection. The type 701v is connected either with flange DN 50 PN 16 or according to DIN resp. 2” 150 lbsRF according to ANSI B 16.5. The rugged construction with metal bellows sealing makes the unit suitable to control liquids containing impurities or gas containing solid particles.
Flow switch with nozzle type 776 for DN 15 type 778 for DN 15 – 32 These units are mostly suitable for applications where vibration is likely to occur and where contaminated media have to be controlled in either horizontal or vertical pipes. The internal nozzle installed enables to control low flow velocities. The flexible sealing bellows protects the unit from metal parts which may be found in the medium when controlling lubricating oil in large gear boxes
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