Chimneys - Accessories - Part 3: Draught regulators, standstill opening devices and combined secondary air devices - Requirements and test methods; German version EN 16475-3:2016+A1:2018— 50 стр.
Chimneys - Accessories - Part 3: Draught regulators, standstill opening devices and combined secondary air devices - Requirements and test methods; German version EN 16475-3:2016— 49 стр.
Non-domestic forced convection gas-fired air heaters for space heating not exceeding a net heat input of 300 kW incorporating a fan to assist transportation of combustion air or combustion products— 164 стр.
Non-domestic direct gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW; German version EN 525:2009— 87 стр.
Domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 70 kW, without a fan to assist transportation of combustion air and/or combustion products; German version EN 778:2009— 145 стр.
Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products; German version EN 621:2009— 120 стр.