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Resideo differential pressure relief valve DU146Mfor installation in district heating systems. Housing and spring cap made of raw brass. Stainless steel springs. EPDM seals. In angle design with female inlet and outlet thread. For district heating systems (factory-set to 0.2 bar) Connection: Female thread DIN 2999Medium: Water or water-glycol mixture in accordance with VDI guideline 2035Medium temperature: 2 °C - 130 °CHousing material: BrassConnection 1: Female thread cylindrical (BSPP)Connection 2: Female thread cylindrical (BSPP)Adjustment range: 5 kPa - 50 kPaNominal size: 1 1/4 inchMax. Max. operating pressure: 16 barNote: Identical to former Honeywell articleMake: ResideoType: Braukmann
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