BNA, BNA-Ex, Liquid Level Gauges and Indicators

Instrumentation and Automation

Liquid Level Gauges and Indicators

BNA, BNA-Ex

Product Description

- Float operated liquid level indicator consisting of a bypass tube (40 to 88 mm diam.) made of stainless steel with a cylinder type float made of stainless steel 1.4571, 1.4435 or titanium. Direct magnetic roller display, made of plastic (MRA) or ceramics (MRK). , - Optional additional magnetic switch (BGU) or sensor (MG) for analog output signals., - Certified safe type BNA-Ex, II 1 G c T1...T6 or II 1/2G c T1...T6 - for magnetic roller indicator fitting (KEMA 02ATEX2106X)., - Certified safe type magnetic switch BGU: II 2 G Ex d IIC T6-T3 or II 1 G Ex ia IIC T6 to T3 (LCIE 01 ATEX 6047X)., - Certified safe type sensor (built in component) model MG may be applied as an individual instrument on bypass pipes or as a position sensor: II G Ex ia/b IIC T4...T6, II 2 D Ex ibD 21 IP6x T80C (KEMA 01ATEX1052X).

Product Ratings

- Max. Working Pressure: 400 bar. | - Max. Working Temperature: 300C. | - Degree of Protection: IP65. | - For process temperatures above 180C the magnetic roller indicator type MNAV shall be used. | - Maximum Ambient temperature for magnetic switch (BGU unit) 150C; | - Power to cut of the magnetic switch (BGU unit) for "i" intrinsically safety version): Ui: 30V max IS circuit; Ii: 100mA; | -Power to cut of the magnetic switch (BGU unit) for "d" flameproof version: Ui: 250V AC, Ii: 1 A, 60VA or Ui: 250V DC, Ii: 0.5 A, 30W .

Applicable Standards

Not Available / To be Updated