NEN EN 1151-1 : 2006 C1 2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Performance and safety requirements
  5.1 Hydraulic characteristic
  5.2 Rated power
  5.3 Starting characteristics
  5.4 Resistance to internal pressure
  5.5 Temperature resistance
  5.6 Resistance to thermal cycling
  5.7 Venting and deblocking
  5.8 Material- and design requirement
  5.9 Fluid and structure borne noise emission
6 Test methods
  6.1 General
  6.2 Testing of the hydraulic characteristic
      6.2.1 General
      6.2.2 Test conditions
      6.2.3 Testing of hydraulic performance
  6.3 Measurement of rated power input
  6.4 Starting conditions
  6.5 Testing of resistance to internal pressure
  6.6 Testing of temperature resistance
  6.7 Testing of resistance to thermal cycling
      6.7.1 Motor supply voltage
      6.7.2 Intermittent operation
  6.8 Venting and deblocking
  6.9 Toxicity, biological and microbiological test
7 Information for use
  7.1 General
  7.2 Instruction handbook
  7.3 Marking
Annex A (informative) Additives
Bibliography

Defines general principles for the construction, use and testing of circulation pumps of the glandless type, having a rated power input P[1] less than or equal to 200 W, intended to be used in heating installations and domestic hot water service installations.