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SZM Bypass Level Indicator
Brand: KOBOLD Instruments, IncThe SZM type glass tube level indicator is applicable for the indication of liquid level in small and middle-sized, standing or lying round containers used in food, pharmaceutical and chemical industries.
The loads occurring at the installation are absorbed by the outer armature, thus the glass tube is protected against breaking.
The outer armature also protects the glass tube against the mechanical impacts that may occur following the installation.
It is recommended that the normal design level indicators be fitted on vessels containing pure liquids, while the indicators mounted with cleaning stubs (a bottom, or bottom-top stub) be fitted on containers filled with contaminated liquid.
Installation length means the distance between the horizontal center lines of the two flanges, that is minimum 370 mm, and maximum 3 080 mm. The glass tubes longer than 1,500 mm are welded.
The bottom, and top sealing of the glass tube is by two O-rings each, the material of which is to be chosen to be chemically compatible with the liquid measured.
Standard sealing material is FPM, whereas EPDM or NBR are available on request. The level indicator may be furnished with capacitive level sensors - max. 3 pieces over 100 mm - as requested (NAMUR design), which monitor the minimum and/or maximum level or any level along the scale.
Anodised aluminium rule with indication of level or volume may be mounted optionally on side of the outer armature. The scale can be engraved on the aluminium rule or the glass tube, or can be printed on a foil and to be attached to the glass tube or aluminium rule.
Specifications
Brand
Adjustment Type
- Potentiometer
Applications
- Chemical
- Food
- Milk
- Oil
- Pharmaceutical
- Storage Tanks for Liquids
- Water Treatment
Approvals & Certifications
- EN 60947-5-6
- NAMUR
BSP Connection
- G 1/2" Female
- G 1/2" Male
Cable Length
- 6.56 feet (2 m)
Cable Material
- PVC
Connection Material
- 304 Stainless Steel
- 316 Stainless Steel
Consumption
- ≤ 1.2 mA - Non-Actuated Current
- ≥ 2.1 mA - Actuated Current
Display
- LED Display
Electrical Connectors
- Cable
Environmental Protection
- IP67
Flange Material
- 304L Stainless Steel
Flange Size - 1-1/2” (DN 40)
- 1-1/2" (DN 40) - ANSI Class 150
- 1-1/2" (DN 40) - ANSI Class 300
- 1-1/2" (DN 40) - PN 16
Flange Size - 1-1/4” (DN 32)
- 1-1/4" (DN 32) - ANSI Class 150
- 1-1/4" (DN 32) - ANSI Class 300
- 1-1/4" (DN 32) - PN 16
Flange Size - 1” (DN 25)
- 1" (DN 25) - ANSI Class 150
- 1" (DN 25) - ANSI Class 300
- 1" (DN 25) - PN 16
Flange Size - 1/2” (DN 15)
- 1/2" (DN 15) - ANSI Class 150
- 1/2" (DN 15) - ANSI Class 300
- 1/2" (DN 15) - PN 16
Flange Size - 2” (DN 50)
- 2" (DN 50) - ANSI Class 150
- 2" (DN 50) - ANSI Class 300
- 2" (DN 50) - PN 16
Flange Size - 3/4” (DN 20)
- 3/4" (DN 20) - ANSI Class 150
- 3/4" (DN 20) - ANSI Class 300
- 3/4" (DN 20) - PN 16
Gasket Material
- EPDM
- FPM
Length
- 14.57" to 121.26" (370 to 3,080 mm) - Measuring Length
Materials of Construction
- 304L Stainless Steel
- Glass
- Plastic
Maximum System Pressure
- psi: 145 (bar: 10, kPa: 1,000)
NPT Connection
- 1/2" NPT Female
- 1/2" NPT Male
Output
- 2-Wire
Resolution
- 0.079" (2 mm), Printed on Foil - Scale Resolution
- 0.394" (1 cm), Engraved - Scale Resolution
Seat / Seal Material
- EDPM
- FPM
- NBR
Supply Voltage
- 8.2 Vdc
Temperature Range
- -20° to 100° C (-4° to 212° F) - Max.