Metalex Cryogenics Limited
Metalex Cryogenics Limited
Aundh, Pune, Maharashtra
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Refrigeration System Controls

HB Products – dedicated to optimal solutions for level measurement and control of oil and refrigerants.HB Products is a development-oriented company, which specialises in the development and production of sensors for industrial refrigeration systems. Apart from expertise within oil and refrigerant control, we have great know-how in the design and optimisation of industrial refrigeration systems. This knowledge enables us to develop and produce the best sensors!
Since its start more than 20 years ago, HB Products has attained a strong global position. This is the result of our ability to think in terms of new technological solutions, create trustworthy products, and provide a high level of service.
Products for centralised and decentralised control:The product program consists of: sensors with switch function, sensors with analogue output signal (4-20 mA) and sensors with integrated direct control of magnetic/motor valves regulators for the control of pumps and/or valves

Air Cooling Unit Defrost Sensor

Air Cooling Unit Defrost Sensor
  • Air Cooling Unit Defrost Sensor
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Approx. Price: Rs 20,000 / Piece

Product Details:

Minimum Order Quantity1 Piece
Thickness4..20mA
HBDF is available in 3 variants10m, 20m, and 30m

Made by HB Products of Denmark .

HBDF is a simple solution for energy-optimal automatic defrosting of evaporators.

It results in energy saving, gain more freezing capacity with optimal defrost periods.

The sensor measures the thickness of ice building up between the fins and sends a 4..20mA or digital ON/OFF signal to the control systems.

The Defrost sensors are based on capacitive measuring principles, in which an isolated steel wire acts as a conductor and the evaporator fins and tubes act as the second conductor jointly forming viable electrical capacitor.

Change of the measured signal occurs when ice is build-up between the fins as the sensor is measuring the dielectric difference between air and ice.

The sensor can be installed in less than one hour, on both new and old evaporators.

It can be installed when the system is in operation, and therefore, a system shutdown is not necessary. The electronic part is mounted on the evaporator's frame using 2 screws.

HBDF is available in 3 variants, with a 10m, 20m, and 30m wire respectively.

After installation, the sensor should be calibrated/configured to the evaporator it is mounted on.

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Additional Information:

  • Item Code: HBDF
  • Port of Dispatch: NAVA SHEVA
  • Production Capacity: ANY NUMBER
  • Delivery Time: 2 WEEKS
  • Packaging Details: SPECIAL BOX PACKING
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Ammonia Leakage Alarm Sensor

Ammonia Leakage Alarm Sensor
  • Ammonia Leakage Alarm Sensor
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Approx. Price: Rs 25,000 / Piece

Product Details:

Minimum Order Quantity1 Piece
ColorWhite
type: gas detectorGas detector
SizeVarious
ConditionNew
BrandHB PRODUCTS
Voltage24 V AC/DC

Gas Leakage Alarm Sensor (HBGS) fulfils the requirements for gas leakage measurement in accordance with F-GAS regulation EU/517/2014. HBGS detects NH3 (R717) in a range of 0-1000 ppm. It is an independent unit that must be supplied with 24 V AC/DC. It has 3 built-in digital alarm outputs and 1 analogue 4-20 mA output. The sensor can be set up using a PC with the HB Configuration Tool.
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  • Port of Dispatch: MUMBAI
  • Production Capacity: ANY NUMBER
  • Delivery Time: 2 WEEKS
  • Packaging Details: STANDARD BOX PACKING
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Ammonia Oil Switch

Ammonia Oil Switch
  • Ammonia Oil Switch
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Approx. Price: Rs 10,000 / Piece

Product Details:

Minimum Order Quantity1 Piece
Max. Voltage10 V
Max. Working Pressure 16 MPa
Max. Current 24 mA

Ammonia oil switch is a level switch for detecting NH3 refrigerant and oil in industrial refrigeration systems. Typically it is installed on fluid tanks, also suitable for mounting other places where you need level indication of both NH3 refrigerant and oil.The sensor is specially built to resist high pressure and low temperatures.

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Refrigeration Compressor Control Panel

Refrigeration Compressor Control Panel
  • Refrigeration Compressor Control Panel
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Approx. Price: Rs 10,000 / Piece

Product Details:

Minimum Order Quantity1 Piece
ColorWhite
Voltage12 V to 24 V
TypeController
BrandMetalex
PhaseThree Phase

We are the leading Manufacturer, Exporter, and Supplier of Refrigeration Compressor Control Panel.
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Refrigerant Wire Sensor

Refrigerant Wire Sensor
  • Refrigerant Wire Sensor
  • Refrigerant Wire Sensor
  • Refrigerant Wire Sensor
  • Refrigerant Wire Sensor
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Approx. Price: Rs 35,000 / Piece

Product Details:

Minimum Order Quantity1 Piece
Weight0.6 kg
Output signal 4-20 mA
BrandMetalex
TypeSensor
ApplicationUsed in connection with the HBLT-C1 controller for controlling pumps

Refrigerant Wire Sensor (HBLT-wire) is a capacitive sensor for level measurement of Ammonia refrigerant in industrial refrigeration systems. The sensor has an output signal of 4-20 mA, which is proportional with 0 and 100%. Its output signal is 4 mA for an empty container and 20 mA for a full container. HBLT-wire can be adjusted in length to the current application.
The sensor element consists of a 2 mm steel wire as well as a Teflon tube. Both parts are provided with a length of 4 m and can be shortened with diagonal cutters or other pliers.
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Ammonia Level Switch

Approx. Price: Rs 25,000 / Piece

Product Details:

Minimum Order Quantity1 Piece
UsageLevel Sensor
Accuracy0.5,1.0,1.5,2.0
Switch frequency20 times/min

The Ammonia Level Switch (NGX maximum) level switch is a TUV design approved safety component to protect refrigerant compressors against liquid carry-over. At maximum allowable liquid level within the surge drum a connection DN 32 is required to weld-on the stop valve that belongs to the scope of supply of the maximum level switch. The NGX limitation switch is screwed into this stop valve (backseating) and the junction box is mounted with the supplied bracket at the valve. The junction box has a light emitting diode (LED) that is illuminated during normal operation.
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