GB/T 778.4-2018 English Version, GB/T 778.4-2018 Meters for cold potable water and hot water—Part 4:Non-metrological requirements not covered in GB/T 778.1 (English Version)

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GB/T 778.4-2018 Meters for cold potable water and hot water—Part 4:Non-metrological requirements not covered in GB/T 778.1 (English Version)
Standard No.:	GB/T 778.4-2018	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	14500 words	Translation Price(USD):	400.0 remind me the price change Email:
Implemented on:	2019-1-1	Delivery:	via email in 1~5 business day

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Standard No.:	GB/T 778.4-2018
English Name:	Meters for cold potable water and hot water—Part 4:Non-metrological requirements not covered in GB/T 778.1
Chinese Name:	饮用冷水水表和热水水表第4部分：GB/T 778.1中未包含的非计量要求
Chinese Classification:	N12 Flow capacity and material level instrument
Professional Classification:	GB National Standard
ICS Classification:	91.140.60 91.140.60 Water supply systems 91.140.60
Source Content Issued by:	SAMR; SAC
Issued on:	2018-06-07
Implemented on:	2019-1-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	14500 words
Translation Price(USD):	400.0
Delivery:	via email in 1~5 business day

Standard

GB/T 778.4-2018 Meters for cold potable water and hot water—Part 4:Non-metrological requirements not covered in GB/T 778.1 (English Version)
Standard No.	GB/T 778.4-2018
Status	valid
Language	English
File Format	PDF
Word Count	14500 words
Price(USD)	400.0
Implemented on	2019-1-1
Delivery	via email in 1~5 business day

Detail of GB/T 778.4-2018

Standard No.

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ICS Classification

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Introduction of GB/T 778.4-2018

GB/T 778的本部分规定了封闭满管道中测量冷水和热水体积并配有累积流量指示装置的饮用冷水水表和热水水表的技术特性要求。
本部分适用于以下各类水表：
a)最高允许压力(MAP)大于等于1 MPa (管道公称通径DN≥500 mm的水表为0.6 MPa) ；
b)最高允许温度(MAT)为30 ℃的饮用冷水水表；?
c)最高允许温度(MAT)按等级最高可达到180 ℃的热水水表。
本部分既适用于基于机械原理的水表，也适用于基于电或电子原理以及基于机械原理带电子装置、用于计量饮用冷水和热水体积流量的水表。本部分同样适用于电子辅助装置。通常电子辅助装置为选装件，但国家或国际法规可能会根据水表的使用情况确定某些辅助装置为必备件。

Contents of GB/T 778.4-2018

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