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Python


PERFORMANCE BY DESIGN
Valpar Industrial Limited was the first company in the world to produce machine-made python, an insulated bundle of tubing for draught drinks dispense. Today python plays a vital role in delivering high quality drinks at consistent low temperature. But optimum performance requires python design to complement your total dispense system. This is where Valpar can help you. 

The Role of Python
Today the distance between cooler and point of dispense can range from 5 metres  100 metres and sometimes even more. The role of the python is to minimise the heat gain of a beverage after it leaves the cooler up to the point of dispense. Cold rooms and coolers are all designed to take heat out of a beverage and the associated investment is relatively high. How can you ensure that this investment is not lost? 

Return on Investment
A well-designed and manufactured python will minimise the heat gain between cooler and tap, thus allowing the cooler to operate at its most efficient setting. 

This will reduce the workload and energy drain on your cooler, leading to lower maintenance costs and extending its lifespan. 

The day to day running cost of the entire cooling system will be reduced. 

Last, but not least, your cooling system will be able to dispense a greater number of colder drinks.

HOW TO ACHIEVE CONSISTENTLY COLDER DRINKS

  • Instead of 13mm insulation, you could consider 19mm insulation or thicker for tropical areas with high ambient temperature
  • Jacket python with 15% improvement in insulation performance compared to our equivalent taped python
  • Other measures to help you achieve consistently colder drinks dispense include cooling right to the point of dispense with:
  • Tap and Trace Cooling (for single column dispense fonts  with one or more taps)
  • Beer and Soft Drinks manifolds for multi-tap dispense units 

The Impact of Insulation Thickness in a Python

The industry standard choices of insulation thickness for pythons are 13mm and 19mm. For special applications, such as very high ambient temperatures and humidity conditions, 25mm and 32mm insulation can be supplied. 

The two main issues to be considered when selecting insulation thickness are heat gain and condensation control. 

The amount of heat gain entering a python can be controlled by insulation thickness. Heat gain can be measured in Watts per metre. For example, the heat gain for 13mm insulation is 25% more than that of 19mm insulation. 

Sufficient insulation must also be applied to prevent condensation on the pythons surface. For example, in an ambient temperature of 25°C a typical python with 13mm insulation, and line temperature of 2°C, will give condensation protection up to 70% relative humidity whereas for 80% humidity 19mm insulation is required. 

Valpar can assist you in the selection of insulation thickness for any particular application.

Types of Python Manufactured by Valpar:

  • Standard Insulated Taped Python
  • High-Performance Insulated Jacketed Python
  • Non-Insulated Bundles
  • Cabled Pythons and Bundles

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