231R Series - Purge Flowmeters

 

Technical Features

• Borosilicate glass tube

• Structure in AISI 304

• Wetted parts in AISI 316

• Spherical float in glass, hard metal, AISI 316

• Built-in control valve in AISI 316

• Gaskets in Viton

• Float-stop in Teflon

• Length of the scale about 230 mm.

• Accuracy: ± 3% full scale value

• Quick replacement of the glass

• Protection in Plexiglas

• Holes for fixing on panel

• Supply pressure 2 - 8 Bar

• Differential pressure min. 0,5 Bar

• Self-regulator in brass or AISI 316 for flow in input

or output with connections: 1/4” up to 3000 Nl/h of air

- Self-regulator in input (RE), is used with variable

pressure in input and constant in output (this last

value has to be used in the calculation).

- Self-regulator in output (RU), is used with variable

pressure in output and constant in input (this

value has to be used in the calculation).

• Weight 1,5 kg

 

Accessories

• Inductive monostable or bistable alarm NAMUR type

• Aluminium frontal panel

 

 

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