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110938
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Series 651 mHNK Bronze membrane safety valves, square, with enlarged threaded connections for closed circuit heating installations. For installations with an operating regime between -10°C and +120°C and maximum allowable heating capacity of 270kW EPDM gasket: resistance from -10°C to +120°C (resists up to 100% glycol) In the event of a failure of the temperature regulation and limitation device, the safety valve must discharge all heat output from the boiler in the form of hot water and steam. Due to their all-metal version, these safety valves can even be used in high-temperature environments or in the vicinity of a heat source:
Heating installations in industry and building Cogeneration units
Safety valves are calibrated and sealed by the component manufacturer. Heat discharge rates are given for a rating overrun of 0.5b.
Authorisations: TUV certification number 516 CE Examination certification type HTSG ZF001-2006TR ZU 032/2013 - TR ZU 010/2011 In compliance with TRD721, DIN4751 part 2, DIN EN 12828, DIN EN ISO 4126-1, DESP 2014/68/EU
Given the nature of this product, it is recommended to have it installed by a professional.
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