Standard No.:	GB 22448-2008
English Name:	Protection rules for industrial X-ray radiographic equipment up to 500kV
Chinese Name:	500kV以下工业X射线探伤机防护规则
Chinese Classification:	N78    X ray, magnetic powder, fluorescent light and other defectoscope
Professional Classification:	GB    National Standard
Source Content Issued by:	AQSIQ; SAC
Issued on:	2008-10-07
Implemented on:	2009-9-1
Status:	to be superseded
Superseded by:	GB 22448-2025 Non-destructive testing instruments—Protection rules for industrial X-ray radiographic equipment below 500kV
Superseded on:	2026-8-1
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This Standard specifies the protection performance requirements for industrial X-ray radiographic defect detection equipment (abbreviated hereinafter as X-ray radiographic equipment, which includes normal structure X-ray radiographic equipment, precision structure X-ray radiographic equipment, special grade X-ray radiographic protection equipment, complete X-ray radiographic protection equipment, etc), the structural protection requirements for X-ray radiographic equipment and X-ray protection during operation, the operation rules and the inspection requirements. This Standard is applicable to the design, manufacture, installation and operation of X-ray radiographic equipment up to 500 kV. 2 Normative References The following normative documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this Part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.