GB/T 7996-2020 English PDF (GBT7996-2020)

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GB/T 7996-2020: Norminal capacity and diameter of glass-lined equipment
GB/T 7996-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 71.120;25.220.50
G 94
Replacing GB/T 7996-2013
Nominal capacity and diameter of glass-lined
equipment
搪玻璃容器公称容积与公称直径
ISSUED ON: NOVEMBER 19, 2020
IMPLEMENTED ON: OCTOBER 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Nominal capacity ... 4 
3 Nominal diameter ... 4 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 7996-2013, “Nominal capacity and diameter of
glass-lined equipment”; compared with GB/T 7996-2013, the main technical
changes, except editorial changes, are as follows:
-- Cancel four specifications of 400 L, 800 L, 1 250 L and 2 500 L in the
nominal capacity series (see Table 1 of version 2013);
-- Cancel two specifications of DN300 and DN2 050 in the nominal diameter
series (see Table 2 of version 2013).
This Standard was proposed by China Petroleum and Chemical Industry
Federation.
This Standard shall be under the jurisdiction of National Technical Committee
72 on Glass Lined Equipment of Standardization Administration of China
(SAC/TC 72).
The drafting organizations of this Standard: Suzhou Xieli Chemical Equipment
Co., Ltd., Taicang Xingongtang Glass Co., Ltd., Jiangsu Yangyang Chemical
Equipments Manufacture Co., Ltd., Tianhua Institute of Chemical Machinery and
Automation Co., Ltd.
The drafters of this Standard: Qian Jianfeng, Shen Yongqi, Zhu Hongzhi, Ma
Xiaoqiang, Wei Zhihua, He Zhengwen, Sang Linchun.
The previous versions of the standards which are replaced by this Standard are:
-- GB/T 7996-1987, GB/T 7996-2006, GB/T 7996-2013.
Nominal capacity and diameter of glass-lined
equipment
1 Scope
This Standard specifies the nominal capacity and diameter of glass-lined
equipment.
This Standard applies to glass-lined equipment.
2 Nominal capacity
2.1 The nominal capacity of glass-lined equipment shall be selected in
accordance with Table 1.
Table 1 -- Nominal capacity series of glass-lined equipment
2.2 Marking and its example: Take the glass-lined equipment whose nominal
capacity is 1 000 L as an example, it is marked as VN 1 000.
3 Nominal diameter
3.1 When the glass-lined equipment cylinder is rolled with steel plate, the
nominal diameter shall be selected according to Table 2.