| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 4<\/td>\n | Contents Page <\/td>\n<\/tr>\n | ||||||
| 6<\/td>\n | European foreword <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 8<\/td>\n | Figure 1 \u2014 Schematic drawing of the assembly of a thermostatic valve with integral sensor <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | Figure 2 \u2014 Thermostatic element Figure 3 \u2014 Thermostatic valve with integral sensor <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | Figure 4 \u2014 Thermostatic valve with integral temperature selector with remote sensor Figure 5 \u2014 Thermostatic valve with the remote sensor incorporating the selector <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | Figure 6 \u2014 Thermostatic valve with remote sensor and remote selector Figure 7 \u2014 Example of valve integrated in a radiator <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Figure 8 \u2014 Types of radiator valve connections <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Figure 9 \u2014 Explanatory graph of characteristic curves <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 4 Symbols and abbreviations Table 1 \u2014 Symbols and abbreviations <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 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 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 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 <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 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 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 <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 5.4.2 Thermal endurance 5.4.3 Temperature resistance 6 Test apparatus and methods 6.1 Test apparatus 6.1.1 Apparatus to obtain the hydraulic data <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | Figure 10 \u2014 Schematic layout of the test circuit to obtain the hydraulic data of the thermostatic valve and the thermostatic integrated valve <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | Table 2 \u2014 Dimensional pipe characteristics 6.1.2 Apparatus for testing the thermostatic valve and the integrated thermostatic valve in the water bath <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Figure 11 \u2014 Schematic layout of the test apparatus for the water bath 6.1.3 Apparatus for testing the thermostatic valve in the air stream <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | Figure 12 \u2014 Schematic layout of the air test apparatus 6.2 Characteristic curves of thermostatic valves 6.2.1 Determination of the characteristic curves 6.2.1.1 General <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | 6.2.1.2 Opening curve at minimum setting of the temperature selector (curve no. 1) and at maximum setting (curve no. 2) 6.2.1.3 Opening curve at an intermediate setting of the temperature selector (curve no. 3) 6.2.1.4 Closing curve at an intermediate setting of the temperature selector (curve no. 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 no. 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 no. 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 no. 7) <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Figure 13 \u2014 Characteristic curves of thermostatic valves 6.2.2 Plotting of the theoretical curve <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Figure 14 \u2014 Plotting of the theoretical curve and of point S 6.3 Testing of mechanical properties 6.3.1 Resistance to pressure, leak-tightness of the valve body assembly <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Figure 15 \u2014 Testing of pressure resistance of the valve body Table 3 \u2014 Tightening torques for the tailpiece nut 6.3.2 Leak-tightness of the valve closed mechanically by means of the protection cap. 6.3.3 Leak-tightness of the stem seal <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Figure 16 \u2014 Testing of leak-tightness of the stem seal 6.3.4 Resistance of the valve body assembly to a bending moment Figure 17 \u2014 Testing of bending strength of the valve body assembly <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Table 4 \u2014 Bending moments for testing thermostatic valves 6.3.5 Resistance of the temperature selector to a torque Figure 18 \u2014 Testing of resistance of the temperature selector to a torque <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | 6.3.6 Resistance of the temperature selector to a bending moment Figure 19 \u2014 Testing of resistance of the temperature selector to a bending moment 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 <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | 6.4.1.4 Maximum flow rate 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 <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Figure 20 \u2014 Plotting of the water temperature effect on closing curve no. 4 6.4.1.13 Response time <\/td>\n<\/tr>\n | ||||||
| 32<\/td>\n | Figure 21 \u2014 Plotting of response time 6.4.2 Endurance tests and temperature resistance test 6.4.2.1 Mechanical endurance test 6.4.2.2 Thermal endurance test <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | 6.4.2.3 Temperature resistance test 6.5 Test schedule <\/td>\n<\/tr>\n | ||||||
| 34<\/td>\n | Table 5 \u2014 Test schedule <\/td>\n<\/tr>\n | ||||||
| 35<\/td>\n | 7 Technical information to be published by the manufacturer <\/td>\n<\/tr>\n | ||||||
| 36<\/td>\n | Figure 22 \u2014 Differential pressure \u0394p as a function of the flow rate qm <\/td>\n<\/tr>\n | ||||||
| 37<\/td>\n | Annex A (normative) Thermostatic Radiator Valves – Dimensions and details on connection A.1 General A.2 Dimensions Figure A.1 \u2014Straight and angle valves, series D and F Table A.1 \u2014 Series D <\/td>\n<\/tr>\n | ||||||
| 38<\/td>\n | Table A.2 \u2014 Series F Figure A.2 \u2014 Straight and angle valves, series S Table A.3 \u2014 Series S <\/td>\n<\/tr>\n | ||||||
| 39<\/td>\n | Figure A.3 \u2014 Straight and angle valves, series GB Table A.4 \u2014 Series GB. With Olive-type compression fitting A.3 Connection details A.4 Materials for body, tailpiece and nut <\/td>\n<\/tr>\n | ||||||
| 40<\/td>\n | A.5 Designation A.6 Marking (This marking does not cover possible certification marking) A.7 CA Value Calculation <\/td>\n<\/tr>\n | ||||||
| 41<\/td>\n | Annex B (informative) Degree of turbulence of the air current in a room <\/td>\n<\/tr>\n | ||||||
| 42<\/td>\n | Annex C (informative) Test block for thermostatic integrated valves Figure C.1 \u2014 Test block for thermostatic integrated valves <\/td>\n<\/tr>\n | ||||||
| 43<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" BS EN 215. Thermostatic radiator valves. Requirements and test methods<\/b><\/p>\n |