FLOW SWITCH -TYPES 701V AND 721V

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- datasheet
- specification

continuing links

- EARL flow switch type 41vS
- EARL 776-778 flow switch with nozzle

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.

Advantages

• Unit operates in any direction
• Vibrationproof construction
• Suitable for contaminated media
• Explosionproof models
• Design for long-term reliable operation
• Simple installation and connection
• Unit virtually maintenance free
• Long-term continuity of spares availability.

Suitability

• Lubricating control on large gears
• Flow control of pneumatically transported saw- or coal-dust
• Monitoring of cooling water circuits in industrial plants
• Bitumen control in refineries
• Tank filling and emptying control
• Sprinkler released fire alarm
• Process control in chemical industry
• Flow monitoring in water purifying plants