As a safety device against excess pressure in closed heating systems with diaphragm expansion vessel according to TRD 721 and DIN 4751 - Part 2 and 3. The valve body is designed in an angular shape and made of pressed brass. By turning the knurled nut to the left, the valve can be closed.
Material | Pressed brass |
Sanitary valve type | Boiler valve |
Connection thread | 3/4" |
Length | 95 mm |
Diameter | 101.60 mm |
Item number | 22561711 |
Manufacturer | Caleffi |
Category | Valve |
Manufacturer no. | 530530 |
Release date | 3.10.2022 |
Minimum order | 6 |
Colour | Red |
Material | Pressed brass |
Material group | Metal |
Sanitary valve type | Boiler valve |
Connection thread | 3/4" |
Number of connections | 3 |
Max. Operating pressure | 3 bar |
Min. operating temperature | 5 °C |
Maximum operating temperature | 120 °C |
Country of origin | Germany, Italy |
CO₂-Emission | |
Climate contribution |
Items per sales unit | 1 x |
Length | 95 mm |
Width | 45 mm |
Diameter | 101.60 mm |
Height | 55 mm |
Weight | 285 g |
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