D1 Eco
D1 Eco

BWT D1 Eco 1/2" 40.16

 
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Item number: 125300271
  • Professional quality pressure reducer for protecting plumbing installations and appliances against excess pressure, for saving water and reducing vibration and noise
  • For use in private, industrial and commercial environments.
  • sizes 1/2 "to 1", are the same length for easy replacement
  • Patented Venturi effect ensures highest flow rate and perfect pressure control
  • High quality brass UBA
  • High quality plastics derived from medical technology
  • Easy to exchange stainless steel filter sieve 160 μm
  • Pressure Scale visible from all sides for pressure adjustment without pressure gauge
  • D1 Eco 40.16 for water temperatures up to 40 ° C and inlet pressure up to 16 bar D1 Eco 85.25 for water temperatures up to 85 ° C and inlet pressure up to 25 bar
Product Details
Technical Details
FAQ
Product Details

The BWT D1 pressure reducer protects the water supply system ans appliances in single and multi-family houses, commercial and industrial buildings from the potentially damaging effects of excessive mains water supply pressure in accordance with ÖNORM EN 806–2 in conjunction with DIN 1988–200. I t helps to avoid pressure damage, reduce water consumption and ensure sound insulation through reduced vibration and 'knocking'. The D1 is used to reduce the pressure and regulate the desired downstream pressure and keep it constant, even if the upstream pressure fluctuates significantly. A constant and not too high pressure protects fittings and devices in the entire water supply system.

Product Details
Product Details

The BWT D1 pressure reducer protects the water supply system ans appliances in single and multi-family houses, commercial and industrial buildings from the potentially damaging effects of excessive mains water supply pressure in accordance with ÖNORM EN 806–2 in conjunction with DIN 1988–200. I t helps to avoid pressure damage, reduce water consumption and ensure sound insulation through reduced vibration and 'knocking'. The D1 is used to reduce the pressure and regulate the desired downstream pressure and keep it constant, even if the upstream pressure fluctuates significantly. A constant and not too high pressure protects fittings and devices in the entire water supply system.

Technical Details

Technical details

Product features

Item number 125300271
Temperature range Cold water up to 40 ° C
Dimensions, execution DN 15 - DN 25 / valve insert, spring bonnet, sieve and filter cup in the same size 1
Pre/post pressure adjustable 16 bar / 1.5 - 7 bar
Filter bowl material plastic
Housing material Brass according to the UBA positive list
FAQ

What is a pressure reducer needed for?

The BWT D1 pressure reducer protects water supply systems in single and multi-family houses, commercial and industrial buildings from excessive supply pressure in accordance with ÖNORM EN 806-2 in conjunction with DIN 1988-200. It thus helps to avoid pressure damage, reduce water consumption and ensure sound insulation. The D1 is used to reduce the pressure and regulate the desired downstream pressure and keep this constant, even if the upstream pressure fluctuates significantly. A constant and not too high pressure protects fittings and devices in the entire water supply system.

What problems can arise from pressure fluctuations or without a pressure reducer in water pipes?

  • Water leaks from poor joints and damaged pipes
  • In extreme cases even burst water pipes
  • Noise nuisance due to pressure peaks that can cause vibration and 'knocking'
  • Increased water consumption and costs

Does a pressure reducer have to be serviced?

ÖNORM EN 806-5 recommends that a pressure reducer be inspected or serviced annually.

Product comparison

Temperature range
Dimensions, execution
Pre/post pressure adjustable
Filter bowl material
Housing material
D1 Eco

BWT D1 Eco 1/2" 40.16

 

selected

Cold water up to 40 ° C
DN 15 - DN 25 / valve insert, spring bonnet, sieve and filter cup in the same size 1
16 bar / 1.5 - 7 bar
plastic
Brass according to the UBA positive list
D1 Eco

BWT D1 Eco 1/2" 40.16

 

selected

Cold water up to 40 ° C
DN 15 - DN 25 / valve insert, spring bonnet, sieve and filter cup in the same size 1
16 bar / 1.5 - 7 bar
plastic
Brass according to the UBA positive list
D1 Eco

BWT D1 Eco 1/2" 85.25

more
Warm water up to 85° C
DN 15 - DN 25 / valve insert, spring bonnet, sieve and filter cup in the same size 1
25 bar / 1,5 - 7 bar
Metal
Brass according to the UBA positive list
D1 Eco

BWT D1 Eco 3/4" 40.16

more
Cold water up to 40 ° C
DN 15 - DN 25 / valve insert, spring bonnet, sieve and filter cup in the same size 1
16 bar / 1.5 - 7 bar
plastic
Brass according to the UBA positive list

Masterpiece

D1 - The new BWT pressure reducer impresses with its construction, the choice of materials, and its very easy operation and last but not least, the optimization of pressure and flow behavior: expressed in a number - Kvs value* 9.3m³/h (DN 25).

  • Patented Venturi effect delivers the highest flow rate with perfect pressure control
  • Up to 50% heavier than comparable products (e.g. weight D1 Red 1 “: 1.7 kg vs. competitor 1.14–1.4 kg)
  • Up to 16 or 25 bar inlet pressure

*The Kvs value expresses the flow rate in a pressure regulating valve when the valve is fully open and a pressure differential of 1 bar.

BWT D1 Auszeichnung

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