Standard No.:	JB/T 4712.4-2007
Chinese Name:	容器支座 第4部分 支承式支座
English Name:	Vessel supports-part 4:Bracket support
Professional Classification:	J74 Pressure vessel
Professional Classification:	JB Professional Standard - Machinery
Issued by:
Issued on:	2007-08-28
Implemented on:	2008-02-01
Status:	ABOLISHED
Replace:	JB/T4724-1992
Replace By:	NB/T47065.4-2018
Replace By Date:
Language:	English
File Format:	PDF
Word Count:	12500 words
Price(USD):	375 (USD)
Delivery:	via email in 1-3 business day

1 Scope
1.1 This Part specifies the structural types, series parameters and dimensions, permissible loads, materials, manufacture and inspection requirements and selection methods of the bracket supports.
1.2 This Part is applicable to the vertical cylindrical steel vessels under the following conditions.
a) Nominal diameter DN 800mm~4000mm;
b) Ratio of cylinder length L to nominal diameter DN DN≤5;
c) Total height of vessel H0≤10m.
2 Normative References
The following standards contain provisions which, through reference in this text, constitute provisions of this Part of JB/T 4712. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards. For undated references, the latest edition of the normative document referred to applies.
GB/T 985 Basic forms and sizes of weld grooves for gas welding, manual arc welding and gas-shielded arc welding
GB/T 1804 General tolerances-tolerances for linear and angular dimensions without individual tolerance indications