Standard No.:	JB/T 7927-1999
Chinese Name:	阀门铸钢件 外观质量要求
English Name:	Valve cast steel visual quality requirements
Professional Classification:	J16 Valve
Professional Classification:	JB Professional Standard - Machinery
ICS Classification:	23.060
Issued by:
Issued on:	1999-07-12
Implemented on:	2000-01-01
Status:	ABOLISHED
Replace By:	JB/T7927-2014
Replace By Date:	2014-11-01
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies surface defect types and features of valve, flange, pipe fittings and other pressed cast steel.
This standard is applicable to visual inspection and acceptance for surface quality of valve, flange, pipe fittings and other pressed cast steel.

2 Evaluation of Surface Quality

After cast steel cleaning and repairing and before painting, appearance inspection shall be carried out. Comparison and evaluation shall be carried out for defects on the surface picture according to pictures specified in this standard (see Chapter 4).