EARL CONTROL INSTRUMENTS

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DP Flowmeter EARL Control instruments Flow Switches Pressure Switches Level Switches

EARL CONTROL INSTRUMENTS

	Flow switch with pendulum
These reliable units are virtually maintenance free and are suited to the protection of high-value installations and machines. The units control the flow of liquids and gases in either horizontal or vertical pipes DN 15 to DN 5000 with pressure ranges PN 10 to PN 320

	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.

	Flow switch -Types 701v and 721
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.

	Flow switch with nozzle 776 778
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.

Air flow switches 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. For units to control the flow of liquids see type 107.

For type 167 the units are mounted by a flanged boss (provided by the installer) either to horizontal pipes or sideways to vertical square channel. Flow direction upwards only with special flange.

The flow switch type 172 and 173 controls the flow of liquids and gases in pipes DN 40 to DN 100.

	Flow switch type 31d
These rugged and hard wearing float operated units measure and control gases and uncontaminated liquids.

	Flow switch 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 level switch type 89
The level switch type 89 is used to control liquid levels regardless of difficult operating conditions.The unit is designed for constant and long-term maintenance-free operation.

	Low pressure control switches
Differential pressure type 241 Negative pressure type 244 Positive pressure type 246

	Pressure switch type 188
The rugged and hardwearing pressure switches series 188 are used to control pressures in therange 0.1 to 1600 bar.