This standard specifies the types and sizes of flat and raised face integral steel pipe flanges with nominal pressure PN of 0.6, 1.0, 1.6, 2.5, 4.0, 6.3, 10.0, 16.0 MPa and nominal pressure PN of 2.0, 5.0, 11.0, 15.0, 26.0, 42.0 MPa. This standard applies to flat and raised face integral steel pipe flanges with nominal pressure PN0.6 to PN42.0 MPa. GB/T 9113.1-2000 Flat and raised face integral steel pipe flanges GB/T9113.1-2000 Standard download decompression password: www.bzxz.net

1 Scope National Standard of the People's Republic of China Integral steel pipe flanges with flat face or raised face GB/T 9113.1-—2000 Replacement (GB/T 9113.1~9113.8-- 1988 This standard specifies the types and sizes of flat and raised face integral steel pipe flanges with nominal pressure PN of 0.6, 1.0, 1.6, 2.5, 4.0, 6.3, 10.0, 16.0 MPa and nominal pressure PN of 2.0, 5.0, 11.0, 15.0, 26.0, 42.0 MPa. This standard applies to flat and raised face integral steel pipe flanges with nominal pressure PNO.6~PN42.0 MPa. 2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised and the use of this standard All parties should explore the possibility of using the latest versions of the following standards. G13/T9112---2000 Types and parameters of steel pipe flanges GB/T91242000 Technical conditions for steel pipe flanges 3 Flange types and sizes
3.1PNO.6, PN1.0, PN1.6, PN2.5 and PN4.0MPa The type of flat integral steel pipe flanges shall comply with the provisions of Figure 1, and the size shall comply with the provisions of Tables 1 to 5.
3.2PNO.6, PN1.0.PN1.6, PN2.5.PN4.0, PN6.3, PN10.0 and PN16.0MPa Raised face integral steel pipe flange types It shall comply with the provisions of Figure 2, and the dimensions shall comply with the provisions of Tables 1 to 8. 3.3 The type of PN2.0MPa flat integral steel pipe flange shall comply with the provisions of Figure 3, and the dimensions shall comply with the provisions of Table 9. 3.4 The type of PN2.0 and PV5.0MPa raised face integral steel pipe flange shall comply with the provisions of Figure 4, and the dimensions shall comply with the provisions of Tables 9 and 10.
3.5 The type of PN11.0, PN15.0, PN26.0 and PN42.0MPa raised face integral steel pipe flange shall comply with the provisions of Figure 5. The dimensions shall comply with the provisions of Tables 11 to 14.
4 Technical requirements for flanges
4.1 Technical requirements for flanges The requirements shall comply with the provisions of GB/T9124 4.2 The maximum non-impact working pressure of the flange at different temperatures shall comply with the provisions of Appendix A (Standard Appendix) of GB/T9124-2000.
Approved by the State Administration of Quality and Technical Supervision on September 28, 2000 and implemented on July 1, 2001
GB/T9113.1-2000
Flat face (FF) integral steel pipe flange
(Applicable to +PN.6, PN1.0, PN1.6, PN2.5 and PN4.0MPa)nxL
Figure 2 Raised face (RF) integral steel pipe flange
(Applicable to +PN0. 6, PN1.0, PN1.6, PN2.5, PN4.0, PN6.3, PN10.0 and PN16.0MPa) nominal
GB/T9113.1—2000
PNO.6MPa (6bar) plane, raised face integral steel pipe flange connection size small
bolt hole
center circle
sealing surface
flange neck
GB/T 9113. 1—2000
Table 2PN1.0MPa (10bar) flat and raised face integral steel cylinder flange connection dimensions
Bolt hole
Center circle
Sealing surface
Use PN4.0MPa flange dimensions
Use PN1.6MPa flange dimensions
Flange neck
GB/T9113.1—2000
Table 3PN1.6MPa (16bar) flat and raised face integral steel pipe flange connection dimensions
Bolt hole
Center circle
Sealing surface
Use PN4.0MPa Flange size
Flange pre
GB/T9113.1—2000
Table 4PN2.5MPa (25bar) flat and raised face integral steel pipe flange connection dimensions
Bolt hole
Center circle
Sealing surface
Use PN4.0MPa Flange size
Flange neck
GB/T 9113. 1—2000
Table 5PN4.0MPa (40bar) flat and raised face integral steel pipe flange connection dimensions
bolt hole
center circle
sealing surface
PN6.3MPa (63har) raised face integral steel pipe flange connection dimensions
bolt hole
center circle
sealing surfacebzxZ.net
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French Flange neck
GB/T9113.1—2000
PN10.0MPa(100bar)Raised face integral steel pipe flange table
Connection size
Bolt hole
Center circle
Bolt hole
Center circle
Sealing surface
PN16.0MPa(160bar)Raised face integral steel pipe flange connection size Size
Sealing surface
Flange pre-
Neck
GB/T9113.1-—2000
Figure 3 Flat (FF) integral steel pipe flange
(Applicable to PV2.0 MPa)
Figure 4 Raised face (RF) integral steel pipe flange
(Applicable to PN2.0 and PN5.0 MPa)
GB/T9113.1—20 00
PN2.OMPa (20bar) Flat and raised face integral steel pipe flange connection size
Bolt hole
Center circle
Sealing surface
PN5.OMPa (50bar) Raised face integral steel pipe flange connection size
Bolt hole
Center circle
Sealing surface
French blue pre
Blue color
GB/T 9113. 1-2000
Figure 5 Raised face (RF) integral steel pipe flange
(Applicable to PN11.0, PN15.0, PN26.0 and PN42.0MPa)Table 11PN11.0MPa (110bar) raised face integral steel pipe flange connection size small
bolt hole
center circle
sealing surface
GB/T9113.1-2000
Table 12PN15.0MPa (150bar) raised face integral steel pipe flange connection dimensions
Bolt hole
Center circle
Bolt hole
Center circle
Sealing surface
PN26.0MPa flange dimensions
PN26.0MPa (260bar) raised face integral steel pipe flange connection dimensions
Sealing surface
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