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Valves and fittings for building technology from NieRuf

Building technology is a part of supply technology and helps ensure the supply of heat, air, water and sewage in buildings like residential buildings and industrial plants. The requirements for valves and fittings used in building technology are diverse and are defined by a wide range of actors such as architects, project planners, specialist planners and project engineers.

Water, drinking water, gas or district heat is supplied externally, thus a variety of barriers such as ball valves, butterfly valves and shut-off valves are needed to ensure safety. They help couple or decouple the building with the public water-, gas- or district heating network manually. This comes in handy when construction or restructuring is happening, or in case of damage. Since there are special requirements for gas- and drinking water supply by the DVGW, every valve, such as ball valves, butterfly valves and pressure reducers, that comes in contact with the medium, needs to be DVGW certified.

Regarding the disposal of e.g. sewage, one has to make sure that a backflow in the sewer is impossible. It does not matter whether the backflow happens in the public sewer, the sewer within the building or by flooding. Using a check valve allows the sewage to flow in only one directing, thereby preventing backflow.

Heating technology, depending on the size of the building and the heating method, also requires specific valves. Whilst infrared heating does not need pipelines, which in turn means no valves are needed, other heating systems such as gas heaters, solar thermal heaters, heat pumps and wood or  pellet heating with boiler usually require several valves. Every heating system, in which  excess pressure can occur, needs to contain a safety valve. In heating technology with a pump system, overflow valves are required in order to protect the pump from excess pressure. Furthermore, isolating equipment, such as ball valves, shut-off valves and butterfly valves, needs to be installed to ensure manual emergency shut down.  

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angle-type overflow valve 1/2" inch fm UV02 gunmetal/brass 0,5 - 2,5 bar 2
Globe valve DN 40 AV03 cast steel 1.0619+N Isolation plug

Article No.: AV03010007

Globe valve DN 40 material cast steel 1.0619+N for liquid and gaseous media authorization TA-Luft
395.60€ *
458.90€ incl. VAT

Delivery time: at stock

Express shipping:

datasheet
Compact ball valve DN125 FK04 stainless steel 1.4408 3
pressure reducing valve 3/4" inch male thread DM01 gunmetall EPDM 0,5 - 2,0 bar

Article No.: DM01010004

pressure reducing valve 3/4" inch male thread male thread BSP-T made of gunmetal/brass seal EPDM for liquid and gaseous media (no steam), set pressure 0,5 - 2,0 bar
184.30€ *
213.79€ incl. VAT

Delivery time: at stock

Express shipping:

datasheet
Compact ball valve DN80 FK04 stainless steel 1.4408 3
pressure reducing valve 3/4" inch male thread DM01 gunmetall EPDM 1,0 - 8,0 bar

Article No.: DM01020004

pressure reducing valve 3/4" inch male thread male thread BSP-T made of gunmetal/brass seal EPDM for liquid and gaseous media (no steam), set pressure 1,0 - 8,0 bar
61.10€ *
70.88€ incl. VAT

Delivery time: at stock

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datasheet
flange ball valve DN20 FK05 stainless steel 1.4408 3
pressure reducing valve 1/2" inch male thread DM01 gunmetall EPDM 5,0 - 15,0 bar

Article No.: DM01030003

pressure reducing valve 1/2" inch male thread male thread BSP-T made of gunmetal/brass seal EPDM for liquid and gaseous media (no steam), set pressure 5,0 - 15,0 bar
75.80€ *
87.93€ incl. VAT

Delivery time: at stock

Express shipping:

datasheet
Compact ball valve DN32 FK04 stainless steel 1.4408 3
pressure reducing valve 3/4" inch male thread DM01 gunmetall EPDM 5,0 - 15,0 bar

Article No.: DM01030004

pressure reducing valve 3/4" inch male thread male thread BSP-T made of gunmetal/brass seal EPDM for liquid and gaseous media (no steam), set pressure 5,0 - 15,0 bar
81.90€ *
95.00€ incl. VAT

Delivery time: at stock

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datasheet
flange ball valve DN32 FK05 stainless steel 1.4408 3
pressure reducing valve 1" inch male thread DM01 gunmetall EPDM 5,0 - 15,0 bar

Article No.: DM01030005

pressure reducing valve 1" inch male thread male thread BSP-T made of gunmetal/brass seal EPDM for liquid and gaseous media (no steam), set pressure 5,0 - 15,0 bar
90.70€ *
105.21€ incl. VAT

Delivery time: at stock

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datasheet
flange ball valve DN15 FK05 stainless steel 1.4408 3
pressure reducing valve 2" inch male thread DM01 gunmetall EPDM 5,0 - 15,0 bar

Article No.: DM01030008

pressure reducing valve 2" inch male thread male thread BSP-T made of gunmetal/brass seal EPDM for liquid and gaseous media (no steam), set pressure 5,0 - 15,0 bar
279.70€ *
324.45€ incl. VAT

Delivery time: at stock

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datasheet
automatic-flange ball valve DN65 - 2 1/2" inch EK04 12-24V 3
pressure reducing valve 1/2" Inch DM09 gunmetal EPDM 1.5 - 6.0 bar

Article No.: DM09000003

pressure reducing valve 1/2" Inch male thread made of gunmetal seal EPDM for water, set pressure 1.5 - 6.0 bar
57.00€ *
66.12€ incl. VAT

Delivery time: at stock

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datasheet
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