Bypass chamber for level meters RIZUR-KBU

Bypass chamber for level meters RIZUR-KBU is used when it's impossible th install level switches and level meters directly into the tank. RIZUR-KBU is designed for installation of measuring and control equipment. 

Bypass chamber RIZUR-KBU serves as an interconnected vessel connected to the tank with the help of a thread, flange or by welding. This connection ensures that the media level in both the chamber and the tank is the same, meaning it’s possible to measure media level in the tank by measuring the media level in the chamber.

The following equipment can be mounted onto the RIZUR-KBU bypass chamber:

 

Bypass chamber for level meters RIZUR-KBU is manufactured in different variants, designed by the engineering department of NPO RIZUR and vary in types of connection to the tank which depend on the pressure and type of the controlled media.

RIZUR-KBU are manufactured in accordance with the Customer’s drawings and album of typical G. A. drawings T-MM-04-06 that ensures the unity of technical decisions in projects that use displacer level meters. All the necessary fastening components for mounting the Bypass chamber are manufactured by NPO RIZUR.

Options (for all design variants)

Steam heating
  • steam pressure: 0,6 MPa (specify if pressure > 0,6MPa) 
  • steam tracer connection: male thread R½" or other (specified at the time of order)
Electrical heating insulation by a soft-enclosure (self-regulating heating cable is in the scope of supply)
Ultrasonic level switch RIZUR-900 see detail description of RIZUR-900
Float level switch see detail description of RIZUR-M-V
Level transducer is selected on the basis of the technical specifications/inquiry form
Output signal 4~20mА, 4-20mА + HART
Display LCD, without display
Voltage supply 24 V, DC
Protection class IP65...IP67
Explosion protection 0ExiaIICT6…T2Х, 1ExdIICT6

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Process temperature, °С -196 ... + 500
Ambient temperature, °С -60 ... +85
Nominal pressure, bar -1 ... 420 
Bypass chamber and flange material Carbon steel 2О, 09G2S, 12H18N10Т, AISI 304, AISI 316Ti and others
Bypass chamber diameter

DN50, DN65, DN80, DN100 (chamber wall width depends upon the process pressure). Other diameters are on a special inquiry.

RIZUR-KBU operational range, mm

From 100 to 25 000 If length is more than 5000 mm than the split-type construction is used.

Process connection Flange in acc. to GOST 12815-80, EN1092-1, DIN2526, ANSI/ASMEB16.5

Welded - welding sleeve

Thread - metric (M), pipe straight thread (G) or pipe taper thread (NPT)
Mounting «Side-side», «side-bottom» and others upon a special inquiry
Vent/Drainage Plugs, valves, flanges, welding sleeves, etc.
DN from 50 mm to 200 mm
PN from 1,6 MPа to 20 MPа (up to 42 MPа upon a special inquiry)

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