mvvs

• NT vvs 001 - Water closets: Property of flushing
• NT vvs 011 - Hot water supply systems – compression. Fittings for plastic pipes: Tightness
• NT vvs 012 - Water supply systems: Noise
• NT vvs 013 - Sanitary mixing taps: Overflow
• NT vvs 016 - Flue gases: Acid dew point - detector method
• NT vvs 017 - Hot water heaters, enamelled: Internal corrosion resistance
• NT vvs 018 - Anemometers: Calibration
• NT vvs 019 - Buildings - ventilation air: Local mean age
• NT vvs 020 - Heat meters - liquid flow: Calibration
• NT vvs 021 - Heat recovery units: External leakage
• NT vvs 022 - Heat recovery units: Internal leakage
• NT vvs 023 - Heat recovery units: Air Flow Capacity
• NT vvs 024 - Heat recovery units: Temperature Efficiency
• NT vvs 025 - Heat recovery units: Functioning at low Outdoor Temperature
• NT vvs 022 - 025 become replaced by NT vvs 130 in near future.
• NT vvs 026 - Plastics pipes: Stress cracking - rubber sealants
• NT vvs 027 - Water taps: Flow resistance
• NT vvs 028 - Water taps: Water tightness under operational conditions
• NT vvs 029 - Water taps: Water tightness under static pressure
• NT vvs 030 - Water taps: Water hammer
• NT vvs 031 - Pressure reduction valves: Regulating ability
• NT vvs 032 - Pressure reduction valves: Flow capacity
• NT vvs 033 - Pressure reduction valves: Wear
• NT vvs 034 - Gullies: Mechanical strength
• NT vvs 035 - Gullies: Tightness of side-inlet joint
• NT vvs 036 - Gullies: Tightness between floor and gully
• NT vvs 037 - Gullies: Air tightness
• NT vvs 038 - Gullies: Temperature resistance
• NT vvs 039 - Gullies: Discharge capacity
• NT vvs 040 - Gullies: Self-evacuation
• NT vvs 041 - Gullies: Back-flow of waste water
• NT vvs 042 - Pressure resistance
• NT vvs 043 - Air raid shelters - ventilating aggregate: Performance data
• NT vvs 044 - Air raids shelters - ventilating aggregate: Sound pressure level
• NT vvs 045 - Air raid shelters equipment: Flow resistance
• NT vvs 046 - Air raid shelters - pressure relief valves: Opening pressure
• NT vvs 047 - Buildings - ventilating air: Mean age of air
• NT vvs 048 - Buildings: Total flow rate of air - continuous measurement
• NT vvs 049 - Flexible sewers: Evaluation of methods and equipment for field measurements of deformation
• NT vvs 050 - Sewer systems: Internal inspection – evaluation of methods and equipment
• NT vvs 051 - Balancing valves: Flow resistance
• NT vvs 052 - Pipes for potable water supply - Unplasticized polyvinyl chloride (upvc): Extractability of toxic additives
• NT vvs 053 - Anti-flooding valves, fecal sewage: Temperature resistance
• NT vvs 054 - Anti-flooding valves, non-fecal sewage: Temperature resistance
• NT vvs 055 - Buildings: Total outdoor air inflow
• NT vvs 056 - Active solar heating systems: Guidelines for monitoring
• NT vvs 057 - Water traps: Self-cleaning
• NT vvs 059 - Thermostatic mixing valves: Flow resistance
• NT vvs 060 - Thermostatic mixing valves: Proportional band
• NT vvs 061 - Thermostatic mixing valves: Hysteresis
• NT vvs 062 - Thermostatic mixing valves: Varying water temperature and pressure
• NT vvs 063 - Air transference: Intake and inlet air
• NT vvs 064 - Water supply systems - compression fittings. For copper pipes: Resistance to pull out
• NT vvs 065 - Water supply systems - compression fittings. For copper pipes: Tightness
• NT vvs 067 - Air heaters: Solid fuel, safety
• NT vvs 068 - Burner heads, prefurnaces: Sawdust and wood chips, safety
• NT vvs 069 - Buildings - exhaust ventilation: Exhaust fan plant capacity, air flows
• NT vvs 070 - Wood-burning stoves: Safety
• NT vvs 071 - Wood-burning stoves: Heat output and efficiency
• NT vvs 072 - Sanitary fittings: Overflow
• NT vvs 073 - Circulating pumps: Heating and water supply systems, performance
• NT vvs 074 - Total ventilation air flow rate: Continous measurement - constant flow technique
• NT vvs 075 - Domestic wastewater treatment - septic tank: Sludge separation, storage capacity
• NT vvs 076 - Large heat pumps: Field testing and presentation of performance
• NT vvs 077 - Pipe insulation: Thermal transmittance
• NT vvs 078 - Ceiling cooling systems: Cooling capacity
• NT vvs 079 - Mixing valves, pressure and thermostatic balanced: Stability of water flow and water temperature
• NT vvs 080 - Pre-insulated bonded pipe units: Thermal transmlttance measurements
• NT vvs 081 - Gullies - roof drainage: Syphonic systems, discharge characteristics
• NT vvs 082 - Liquid flow metering installations: Radioactive tracer transit time method, in situ calibration
• NT vvs 083 edition 2 - Air terminal devices: Aerodynamic testing and rating of low velocity
• NT vvs 084 - Three-way control valves for hot water systems: Flow characteristics of the valve used as mixing valve
• NT vvs 085 - Heat meters: Combined or complete instrument, performance test
• NT vvs 086 - Exhaust air heat pumps: Performance
• NT vvs 087 - Large heat meters: In situ calibration
• NT vvs 088 - Buildings: large scale kitchen range hoods - hood efficiency and pressure drop
• NT vvs 089 - Thermal anemometers low velocities: Frequency response and time-constant or cut-off frequency
• NT vvs 090 - Heating systems, deaerators: Capacity and efficiency, various water flows
• NT vvs 091 - Ventilatlon: vents for direct supply of outdoor air capacity rating
• NT vvs 092 - Ventilation: vents for direct supply of outdoor air, air flow pattern and draught criterion
• NT vvs 093 - Air valves - drainage systems: Airtightness and flow resistance
• NT vvs 094 - Active leakage detectors: Reliability
• NT vvs 095 - Laboratory fume hoods: Performance
• NT vvs 096 - Drinking water, mechanical filters: Reliability
• NT vvs 097 - Large solar collector arrays: In-situ efficiency test
• NT vvs 098 - Fixed airflow measuring devices: Sensitivity to flow disturbance
• NT vvs 099 - Thermal storage heaters: Performance test
• NT vvs 100 - Magnetic valves: Functional and operational qualities
• NT vvs 101 - Joints for cast iron pipes: Fitness and tightness of elastomeric seals
• NT vvs 102 - Thermometers, llquid-ln-glass: Calibration
• NT vvs 103 - Thermometers, contact, direct reading: Calibration
• NT vvs 104 - Anemometers, low velocity: Natural convection from heated sensors, errors
• NT vvs 105 - Ventilation: Flow rate, total effective - by single zone approximation
• NT vvs 106 - Room air cleaners; portable: Performance
• NT vvs 107 - Heating plants, small primary: Annual efficiency
• NT vvs 108 - Boilers, combustion of fuels: Emission of oxides of nitrogen and sulphur 3
• NT vvs 109 - Filters: Adsorptive gas filters
• NT vvs 110 - Solar collectors: Testing the solar collector’s ageing and corrosion characteristics
• NT vvs 111 - Solar collectors: Resistance of solar collectors to snow and wind loading
• NT vvs 112 - Testing and evaluation of long term performance of solar collectors: Thermal performance, reliability and durability after one year’s outdoor exposure under stagnation conditions
• NT vvs 113 - Ventilatlon: simple determination of air flow rate in thermal plumes
• NT vvs 114 - Indoor air quality: Measurement of co2
• NT vvs 115 - Refrigeration and heat pump equipment: General conditions for field testing and presentation of performance
• NT vvs 116 - Refrigator and heat pump equipment: Check-ups and performance data inferred from measurements under field conditions in the refrigerant system
• NT vvs 117 - Electret filters: Determination of the electrostatic enhancement factor of filter media
• NT vvs 118 - Ventilation: Local mean age of air - homogeneous emission techniques
• NT vvs 119 - Floor heating systems: Acceptance test
• NT vvs 120 - Water closets: Flushing volumes less than 6 litres
• NT vvs 121 - Flow meters: Accelerated durability testing
• NT vvs 122 - Jet momentum flux: Determination based on the weighing of air issuing from a supply device
• NT vvs 123 - Direct acting electric heating – testing of control systems: Part 1: terminology and evaluation in a test chamber
• NT vvs 124 - Direct acting electric heating – Testing of control systems: Part 2: evaluation of control sensors
• NT vvs 125 - Direct acting electric heating – Testing of control systems: Part 3: evaluation using real-time simulation
• NT vvs 126 - Anti-scale devices: Efficiency
• NT vvs 127 - Floor heating systems: Design and type testing of waterborne heat systems for lightweight structures
• NT vvs 128 - Ventilations Filters: Field test of efficiancy
• NT vvs 129 - Pipe in Tube Systems
• NT vvs 130 - Air/Air Heat Recovery Units: Aerodynamic and Thermal Performance Testing (coming up very soon)
• NT vvs 131 - Uncertainty calculations for calibration of water and heat flow meters

Printervennlig versjon