Meler B4 Series Hot Melt Tank - Available with Gear Pump or Piston Pump


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Product Highlights

The Meler B4 Series Bulk Hot Melt Tank: Efficiency and Precision in One Package

When it comes to adhesive applications, the Meler B4 Series Bulk Hot Melt Tank stands as a hallmark of efficiency and reliability. Engineered to suit both manual and low-cost automatic applications, this unit is a versatile addition to any operation.

The Essence of Simplicity

The B4 Series is designed with a 'Plug and Work' ethos, making it incredibly easy to integrate into your existing workflow. With a maximum melting rate of 6 kg per hour, this unit ensures that your adhesive is ready when you are.

Pumping with Precision

Choose between two pump styles to suit your specific needs. The gear pump version offers a smooth delivery of adhesive with a maximum pumping rate of 6 kg per hour. For those requiring higher throughput, the piston pump version ramps up the pumping rate to an impressive 65 kg per hour. And with easily accessible pressure regulators and gauges, adjustments are a breeze.

Unmatched Control

The electronic control unit of the B4 Series is a marvel of precision. Developed using the same proven design principles that have made Meler a trusted name, it offers temperature control ranging from 40ºC to 200ºC with an accuracy of ± 0.5ºC.

Seamless Connections

The B4 Series features two hydraulic and electrical hose connections at the rear of the unit, compatible with industry-standard 9/16 JIC hydraulic connections and PT100 or Ni120 electrical forms.

Built for Performance

The melting tank is designed with a large surface area for optimal melting rates. Coupled with a large lid for easy adhesive loading and a filter and drain valve for effortless maintenance, this unit is built to perform.

Universal Compatibility

One of the standout features of the B4 Series is its compatibility with either PT100 or Ni120 temperature sensors, allowing it to replace most hot melt equipment in the market seamlessly.

Why Buy from

When it comes to adhesive solutions, is the industry leader you can trust. With our local service technicians readily available for installation and ongoing support, we ensure a seamless and worry-free experience. What sets us apart is our ability to tailor a system specifically to meet your unique operational needs. Choose for unparalleled expertise and personalized service.


Technical Spec B4-P Piston Pump Unit B4E Gear Pump Unit
Tank Capacity 4 liters 4 liters
Maximum pumping rate (Depending on adhesive type) 29.3 kg/h pump 7 cc 6 kg/h pump 2 cc/rev (50 rpm)
Maximum melting rate (Depending on adhesive type) 6 kg/h 6 kg/h
Number of outputs 2 2
Temperature range 40 to 200 ºC 40 to 200 ºC
Temperature control RTD ±0.5 ºC (±1 ºF) RTD ±0.5 ºC (±1 ºF)
Maximum working pressure 81.6 bar (1183 psi) 40 bar
Maximum installation power (at 230 VAC) 3,680 W (16A) 3,680 W (16A)
Electrical requirements LN ~ 230V 50/60 Hz + PE LN ~ 230V 50Hz + PE
External functions Temperature ok output Temperature ok output
Dimensions (LxAxH) 600x320x354 mm 600x320x354 mm
Weight 36 kg 38 kg
Temperature range 40 to 230 °C 40 to 230 °C
Low level sensor Capacitive (with warning light) Capacitive (with warning light)
Granular Feeder Yes Yes
Automatic pressure control (VP200) Yes No
External connector pump activation No Yes

Data Sheets

Meler B4 Series Hot Melt Tank Data Sheet

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