GB/T 12452-2008
Replaced
T/CMA RQ119-2023
Active
Group standards
T/CMA RQ119-2023 Gas meter motor control valve
T/CMA RQ119-2023 Gas meter motor control valve
Price:
$ 20.00
Basic Information
Standard Code:
T/CMA RQ119-2023
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
The comprehensive measurement of fluid flow
Publish Date:
2023-10-30
Implement Date:
2024-01-01
Scope
Main technical content: This document specifies the terms and definitions, structure and materials, working conditions, technical requirements, appearance and markings, test methods, inspection rules, packaging, storage, and transportation applicable to motor control valves (referred to as control valves) used in gas meters. This document is applicable to motor control valves used in gas meters with a maximum working pressure not exceeding 50kPa and a maximum flow rate not exceeding 160m3/h.
Development Information
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GB/T 29820.1-2013 Assessment of uncertainty in calibration and use of flow measurement devices—Part 1:Linear calibration relationships
GB/T 36536-2018
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GB/T 36536-2018 Test method of water balance in cement production enterprises
GB/T 12452-2022
Active
GB/T 12452-2022 General principles of water balance test
GB/T 42031-2022
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GB/T 42031-2022 Drawing method of water balance diagram for water-use organization
DB4401/T 70-2020
Active