BS 7942:2011
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
31-01-2011
Foreword
0 Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 TMV materials
5 Classifications
6 Backflow prevention devices
7 Removable devices (RDs)
8 Specimens and test sequences
9 Leaktightness
10 Durability
11 Performance
12 Designation
13 Marking
14 Installation and operating instructions
Annexes
Annex A (normative) - Apparatus and measurements for
durability test on thermostat
Annex B (normative) - Test for the durability of on/off
flow control
Annex C (normative) - Test for the durability of manual
diverters
Annex D (normative) - Test for the durability of
diverters having an automatic return
Annex E (normative) - Test for the durability of
thermostat
Annex F (normative) - Apparatus for performance tests
Annex G (normative) - Determination of thermometer
response time
Annex H (normative) - Test for flow rate and sensitivity
of temperature control
Annex I (normative) - Tests for TMVs having electronic
temperature adjustment
Annex J (normative) - Test for mixed-water temperature
overshoot on operation of diverter
(manual or automatic return)
Annex K (normative) - Test for mixed-water temperature
overshoot on operation of second outlet
Annex L (normative) - Test for mixed-water temperature
overshoot starting from ambient temperature
Annex M (normative) - Test for mixed-water temperature
overshoot on adjustment of mixed-water
temperature
Annex N (informative) - Assessment of transient values
Annex O (normative) - Test for thermal shut-off
Annex P (normative) - Test for temperature stability
with changing water supply pressure
Annex Q (normative) - Test for temperature stability
with changing water supply temperature
Annex R (normative) - Test for temperature stability
at reduced flow rate
Annex S (normative) - Additional testing after failure
to meet performance and durability
requirements
Annex T (informative) - Summary of thermal
performance requirements
Annex U (informative) - Recommendations on
commissioning and in-service tests
Annex V (informative) - Frequency of in-service tests
Bibliography
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