GB/T 9119-2010 in English

《GB/T 9119-2010板式平焊钢制管法兰》由TC237（全国管路附件标准化技术委员会）归口，主管部门为中国机械工业联合会。

1 Scope

This standard specifies the type, dimension, technical requirements and marking for the PN-designated slip-on-welding plate steel pipe flanges.
This standard is applicable to PN 2.5~PN 100 slip-on-welding plate steel pipe flanges.

2 Normative References

The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigendum), or revisions of, any of these publications do not apply. However, all parties coming 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 9112 Types and Parameters for Steel Pipe Flanges
GB/T 9124 Specification for Steel Pipe Flanges

3 Types and Dimensions

3.1 Sealing face type and scope for applicable nominal pressure and nominal dimension of PN-designated slip-on-welding plate steel pipe flanges shall meet the requirements of Table 1.
Table 1 Sealing Face Type and Scope for Applicable Nominal Pressure and Nominal Dimension of PN-designated Slip-on-welding Plate Steel Pipe Flanges

Foreword
1 Scope
2 Normative References
3 Types and Dimensions
4 Technical Requirements
5 Marking and Marking Example