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The CALPEX PUR-KING energy-saving champion with outstanding insulating performance CALPEX PUR-KING with outstanding insulating performance
CALPEX PUR-KING with outstanding insulating performance
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MAGICAL LIMIT SURPASSED. CALPEX PUR-KING - The real KING with CROWN


CALPEX PUR-KING boasts thermal insulation record with lowest-ever lambda value of 0.0199 W/m*K

- The lambda value of 0.0199 W/m*K as atrustworthy average of many individual from several production lots

- Test results from independent and accredited institutes confirm the stated heat losses

- On the market since 2018, Pioneering work, patent granted

- Efficient insulation performance

- Flexible pipe laying thanks to small bending radius and low physical effort

The CALPEX PUR-KING is a patented flexible, continuous and self-compensating low-temperature pipe system boasting the world’s best lambda value of 0.0199 W/m*K. This exceptionally low value is proved and confirmed on an annual basis by an accredited test institute.

This record-breaking figure has made it possible to beat the what were previously thought to be the lowest physical thermoconductivity values for polyurethane by a significant amount. CALPEX PUR-KING is therefore becoming the trigger for another major increase in the energy efficiency of pre-insulated pipe systems for the heating and cooling market.

CALPEX PUR-KING UNO

Pipe with an inner pipe

Continuous operating temperature: Max. 80°C
Operating temperature: Max. 95°C (fluctuating)
Operating pressure: PN 6
Dimensions: DUO DN 20–150
Carrier pipe: PEX-a
Insulation: Polyurethane (PUR)
Application: Local and district heating networks and drinking water pipes

CALPEX PUR-KING DUO

Pipe with two inner pipes

Continuous operating temperature: Max. 80°C
Operating temperature: Max. 95°C (fluctuating)
Operating pressure: PN 6
Dimensions: DUO DN 20–65
Carrier pipe: PEX-a
Insulation: Polyurethane (PUR)
Application: Local and district heating networks and drinking water pipes

CALPEX-ALU UNO

Pipe with an inner pipe (in Switzerland not available)

Continuous operating temperature: Max. 80°C
Operating temperature: Max. 95°C (fluctuating)
Operating pressure: PN 10
Dimensions: UNO 16–32 mm
Carrier pipe: PEX-c aluminium composite
Insulation: Polyurethane (PUR)
Application: Building infeed pipe in local and district heating networks

CALPEX-ALU DUO

Pipe with two inner pipes (in Switzerland not available)

Continuous operating temperature: Max. 80°C
Operating temperature: Max. 95°C (fluctuating)
Operating pressure: PN 10
Dimensions: UNO 16–32 mm
Carrier pipe: PEX-c aluminium composite
Insulation: Polyurethane (PUR)
Application: Building infeed pipe in local and district heating networks

Why opt for a CALPEX PUR-KING pipe system?

  • Efficient

    Over the past decade, BRUGG Pipes has been able to decrease the lambda value for the CALPEX pipe systems further and further through intensive research and development work.

    With the newly developed CALPEX PUR-KING process technology, we have now succeeded in reducing the thermoconductivity of CALPEX pipes to the world’s lowest lambda value of 0.0199 W/m*K.

    With this record-breaking figure, we have been able to beat the what were previously thought to be the lowest physical thermoconductivity values for polyurethane by a significant amount. CALPEX PUR-KING is therefore becoming the trigger for another major increase in the energy efficiency of pre-insulated pipe systems for the heating and cooling market.

    Find more detailed information here.


  • Reliable

    To give you peace of mind. Prepare for tomorrow today. The very best quality delivered. Reliable, long-lasting product solutions.


  • Fast

    So that you can keep to ambitious schedules without any stress. Product solutions delivered quickly for customers. Less laying work thanks to long delivery lengths and our sophisticated installation system. Patented clip cover and simple, reliable connections that do not require tools.


  • Expert

    Advice, experience and innovation included. Innovation, long-standing experience and needs-based, individual advice.


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