BS EN 215:2019
$189.07
Thermostatic radiator valves. Requirements and test methods
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 48 |
This document specifies definitions, requirements and test methods for thermostatic radiator valves referred to hereafter as thermostatic valves.
This standard applies to two port thermostatic valves with or without pre-setting facility and thermostatic integrated valves with or without pre-setting facility for fitting to radiators in wet central heating installations up to a water temperature of 120 °C and a nominal pressure of PN 10.
This standard further specifies the dimensions, the materials and the connection details of four series of straight and angle pattern thermostatic radiator valves of nominal pressure � PN 10.
This standard can be used as reference in a CEN/CENELEC Certification Mark System on thermostatic radiator valves.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | National foreword |
| 7 | 1 Scope 2 Normative references 3 Terms and definitions |
| 16 | 4 Symbols and abbreviations 5 Requirements 5.1 Dimensions 5.2 Mechanical properties 5.2.1 Resistance to pressure, leak-tightness of the valve body assembly 5.2.2 Leak-tightness of the stem seal 5.2.3 Resistance of the valve body assembly to a bending moment |
| 17 | 5.2.4 Resistance of the temperature selector to a torque 5.2.5 Resistance of the temperature selector to a bending moment 5.2.6 Exchange of the stem seal 5.3 Operating characteristics 5.3.1 Nominal flow rate and flow rate at S-1 K 5.3.2 Characteristic flow rate at the minimum and maximum setting of the temperature selector 5.3.3 Characteristic flow rate for thermostatic valves having a pre-setting facility 5.3.4 Sensor temperature at the minimum and maximum setting of the temperature selector 5.3.5 Hysteresis at the nominal flow rate 5.3.6 Differential pressure influence |
| 18 | 5.3.7 Influence of the static pressure 5.3.8 Temperature difference between temperature point S and the closing and opening temperature respectively 5.3.9 Influence of ambient temperature on thermostatic valves with transmission elements 5.3.10 Water temperature effect 5.3.11 Response time 5.4 Endurance and temperature resistance 5.4.1 Mechanical endurance 5.4.2 Thermal endurance 5.4.3 Temperature resistance |
| 19 | 6 Test apparatus and methods 6.1 Test apparatus 6.1.1 Apparatus to obtain the hydraulic data |
| 20 | 6.1.2 Apparatus for testing the thermostatic valve and the integrated thermostatic valve in the water bath |
| 21 | 6.1.3 Apparatus for testing the thermostatic valve in the air stream |
| 22 | 6.2 Characteristic curves of thermostatic valves 6.2.1 Determination of the characteristic curves 6.2.1.1 General |
| 23 | 6.2.1.2 Opening curve at minimum setting of the temperature selector (curve 1) and at maximum setting (curve 2) 6.2.1.3 Opening curve at an intermediate setting of the temperature selector (curve 3) 6.2.1.4 Closing curve at an intermediate setting of the temperature selector (curve 4) 6.2.1.5 Opening curve for thermostatic valves with transmission elements in accordance with 3.2.2 to 3.2.4 at an intermediate setting of the temperature selector (curve 5) 6.2.1.6 Closing curve at an intermediate setting of the temperature selector and at a differential pressure greater than 10 kPa (0,1 bar) (curve 6) 6.2.1.7 Closing curve at an intermediate setting of the temperature selector and at a static pressure of 1000 kPa (10 bar) (curve 7) |
| 25 | 6.2.2 Plotting of the theoretical curve |
| 26 | 6.3 Testing of mechanical properties 6.3.1 Resistance to pressure, leak-tightness of the valve body assembly 6.3.2 Leak-tightness of the valve closed mechanically by means of the protection cap |
| 27 | 6.3.3 Leak-tightness of the stem seal 6.3.4 Resistance of the valve body assembly to a bending moment |
| 28 | 6.3.5 Resistance of the temperature selector to a torque |
| 29 | 6.3.6 Resistance of the temperature selector to a bending moment |
| 30 | 6.4 Testing of operating characteristics 6.4.1 Characteristic data 6.4.1.1 General 6.4.1.2 Nominal flow rate and flow rate at S-1 K 6.4.1.3 Characteristic flow rate for thermostatic valves and integrated thermostatic valves with pre-setting 6.4.1.4 Maximum flow rate |
| 31 | 6.4.1.5 Characteristic flow rate at the minimum and maximum setting 6.4.1.6 Sensor temperature at minimum and maximum setting of the temperature selector 6.4.1.7 Hysteresis at nominal flow rate 6.4.1.8 Differential pressure influence 6.4.1.9 Influence of the static pressure 6.4.1.10 Temperature difference between temperature point S and the closing and opening temperature respectively 6.4.1.11 Influence of ambient temperature on thermostatic valves with transmission elements 6.4.1.12 Water temperature influence |
| 32 | 6.4.1.13 Response time |
| 33 | 6.4.2 Endurance tests and temperature resistance test 6.4.2.1 Mechanical endurance test 6.4.2.2 Thermal endurance test |
| 34 | 6.4.2.3 Temperature resistance test 6.5 Test schedule |
| 35 | 7 Technical information to be published by the manufacturer |
| 38 | Annex A (normative)Thermostatic Radiator Valves — Dimensions and details on connection A.1 General A.2 Dimensions |
| 41 | A.3 Connection details |
| 42 | A.4 Materials for body, tailpiece and nut A.5 Designation A.6 Marking A.7 Calculation of Control Accuracy — CA value |
| 44 | Annex B (informative)Degree of turbulence of the air current in a room |
| 45 | Annex C (informative)Test block for thermostatic integrated valves |
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