Self adjusting valves operated on auxiliary energy; regulating device with or without shutting-off (zero-shut-off), class R<(Index)m> and R<(Index)o>— 2 стр.
Gaskets for gas supply - Part 6: Gasket materials based on synthetic fibres, graphite or polytetrafluoroethylen (PTFE) for gas valves, gas appliances and gas mains— 6 стр.
Safety requirements for heating installations with flow temperatures up to 110°C; open and closed heating installations and boilers with a watervolume of max. 10 litres up to 150 kW with thermostatic safety protection— 8 стр.
Jointing material for gas and water supplies and for hot water installations; Non-hardening jointing material for metallic threaded joints in interior installations— 8 стр.
Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS> boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994— 63 стр.
Gas-fired central heating boilers - Specific requirements for the domestic hot water operation of combination boilers of nominal heat input not exceeding 70 kW; German version EN 625:1995— 12 стр.
Gas-fired central heating boilers - Type B<(Index)11> and B<(Index)11BS> boilers fitted with atmospheric burners of nominal heat input not exceeding 70 kW; German version EN 297:1994— 63 стр.
Gas-fired central heating boilers - Specific requirements for the domestic hot water operation of combination boilers of nominal heat input not exceeding 70 kW; German version EN 625:1995— 12 стр.
Medium Temperature Hot Water Systems (MTHWS) with a boiler flow temperature up to 95 °C and forced flow boilers with rated output up to 50 kW; specification for sealed systems using thermostatic control; safety equipment— 5 стр.
Tendering and performance stipulations in contracts for construction works (VOB); part C: general technical specifications in contracts for construction works (ATV); installation of central heating systems and hot water supply systems— 20 стр.
Contract procedures for building works - Part C: General technical specifications for building works; Systems for heating and central water heating— 21 стр.
Contract procedures for building works - Part C: General technical specifications for building works - Systems for heating and central water heating— 21 стр.
Contract procedures for building works - Part C: General technical specifications for building works; systems for heating and central water heating— 21 стр.
Construction contract procedures (VOB); part C: general technical specifications in construction contracts (ATV); installation of central heating systems and hot water supply systems— 20 стр.
