Standard No.:	HG 20593-1997
English Name:	Slip-on-welding plate steel pipe flanges （European System）
Chinese Name:	板式平焊钢制管法兰(欧洲体系)
Professional Classification:	HG    Professional Standard - Chemistry
Source Content Issued by:	Ministry of Chemical Industry
Issued on:	1997-12-27
Implemented on:	1998-2-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	2000 words
Translation Price(USD):	100.0
Delivery:	via email in 1 business day

1 Subject Content and Application Scope This standard specifies the type, size, technical requirements and relevant application requirements of slip-on-welding plate steel pipe flanges (European system). This standard is applicable to slip-on-welding plate steel pipe flanges with nominal pressure of PN 0.25 MPa (2.5 bar) ~ 2.5 MPa (25 bar). Slip-on-welding plate flanges specified in this standard are applicable for series A and B steel pipe outside diameter as specified in HG 20592. 2 Normative References HG 20592 Steel Pipe Flange Types and Parameters (European System) HG 20603 Specification for Steel Pipe Flanges (European System) HG 20604 Pressure-Temperature Grade of Steel Pipe Flanges (European System) HG 20605 Welded Joints and Groove Size of Steel Pipe Flanges (European System) HG 20613 Fasteners for Steel Pipe Flanges (European System) HG 20614 Selection of Steel Pipe Flanges, Gaskets and Bolting (European System) 3 Flange Sealing Face Type and Application Scope

1 Subject Content and Application Scope 2 Normative References 3 Flange Sealing Face Type and Application Scope 4 Flange Size 5 Technical Requirements 6 Maximum Non-impact Working Pressure 7 Welded Joint and Groove 8 Fastener Length 9 Selection Requirements 10 Marking Additional Explanation: