BS EN 60730-2-8:1995:2002 Edition
$142.49
Specification for automatic electrical controls for household and similar use. Particular requirements – Electrically operated water valves, including mechanical requirements
| Published By | Publication Date | Number of Pages |
| BSI | 2002 | 32 |
Applies to electrically operated water valves for use in, on, or in association with equipment for household and similiar use
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British�Standard |
| 3 | Contents |
| 6 | Foreword |
| 7 | Contents |
| 9 | Scope This Part 2 applies to electrically operated water valves for use in, on or in association with e… Definitions Electrically operated valve valve water valve |
| 10 | heating-water valve actuator valve body assembly valve body nominal size nominal pressure rating end connection valve seat closure member stem |
| 11 | fitting Definitions relating to the function of controls on-off valve normally closed valve normally open valve modulating valve diverting valve closed position travel rated travel open position fully open position flow rate |
| 12 | rated flow rate flow factor maximum operating pressure differential minimum operating pressure differential water hammer transient pressure valve with anti-water-hammer characteristics Miscellaneous definitions drinking-water non-drinking-water General requirement General notes on tests Rating |
| 13 | Classification Electrically operated valve According to ambient temperature limits of the switch head: According to protection against electric shock: Not applicable. Add: According to type of end-connections: |
| 14 | According to features of electrically operated water valves: According to temperature, pressure and type of the water controlled: According to nominal size and thread size of end connections |
| 15 | Information |
| 16 | Add the following explanatory paragraph: Protection against electric shock Addition: Provision for protective earthing |
| 17 | Terminals and terminations Delete the last explanatory paragraph. Terminals and terminations for internal conductors Constructional requirements Modification: Separation of wetted parts from electrical parts Moisture and dust resistance Electric strength and insulation resistance |
| 18 | Heating Not applicable. Replacement: Manufacturing deviation and drift Environmental stress Environmental stress of temperature |
| 19 | Endurance Addition: Replacement: Test for particular purpose controls Mechanical strength Valves shall withstand the water pressure occurring in normal use. |
| 21 | Wetted material specifications Torque |
| 22 | Threaded parts and connections Creepage distances, clearances and distances through insulation Resistance to heat, fire and tracking Resistance to corrosion Radio interference suppression Components Normal operation Operation with mains-borne perturbations, magnetic and electromagnetic disturbances Abnormal operation Overvoltage and undervoltage test |
| 23 | Annex H (normative) Requirements for electronic controls Classification According to software class Information Constructional requirements Controls using software Operation with mains-borne perturbations, magnetic and electromagnetic disturbances Fast transient burst test Evaluation of compliance Appendix AA Relation between different flow coefficients |
| 24 | Appendix BB Arrangement for the measurement of transient pressures caused by water valves |
| 26 | Appendix CC Test on valve bodies of thermoplastic material intended to be connected to the water supply mains Appendix DD Torque Torque test for valves with internally threaded end-connections to ISO�7-1 General Torque test |
| 27 | Torque test for valves with internally threaded end-connections to ISO�228-1 |
| 28 | Torque test for valves with internally threaded end-connections with ISO metric thread for compre… Olive type compression fittings Flared compression fittings Torque test for valves with externally threaded end-connections to ISO�7-1 Torque test for valves with external threaded end-connections to ISO�228-1 or to ISO metric�threa… Torque test for valves with adaptors Tightening torque in Nm for bolts and screws for adaptors |
| 29 | Torque test for valves with internally or externally threaded end-connections for NPT�thread One sample of the largest connection size for the valve body is subjected to the following test: A length of new, clean, and properly threaded Schedule�40 iron pipe or pipe fitting, as applicabl… The procedure in� With the torque removed, the assembly is checked for hydrostatic strength according to� Torque test for valves with internally or externally threaded end-connections for SAE thread One sample of the largest connection size for the valve body is subjected to the following test: A length of new, clean steel tube of the proper size, with end flared and a fitting to match the … The procedure in� With the torque removed, the assembly is checked for hydrostatic strength according to� Annex ZB Other international publications quoted in this standard with the references of the r… |
| 30 | National annex NA (informative) Original IEC text amended by CENELEC common modifications |
