JB/T 2001.15-1999 Types and dimensions of square connection flanges for water systems (PN=31.5MPa)

JB/T 2001.15-1999 JB/T 2001.15-1999 Types and dimensions of square connection flanges for water systems (PN=31.5MPa) JB/T2001.15-1999 Standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB/T 2001.1~2001.74—1999
Water system components
Water system assembly and parts1999-06-28 Issued
National Machinery Industry Bureau
2(-01-U1 Implementation
Machinery Industry Standard of the People's Republic of China
Water system
Square adapter flange
Type and size
Water system-Square adapter flange-Te and sbe
[ PN=31.5 MPa]
This standard specifies the type and size of square flange: This standard extends the use of square flange for water system with nominal capacity of 21.5MPa. 2 Reference standards
JB/T2001.15-195
The following clauses with annotations are generally cited in other standards to constitute the clauses of this standard. This standard is not valid until the version shown is valid: All standards will be revised to make the various international standards The following standards should be used to ensure the performance of the latest version. J8300151999 Type and size of steel washers 3 Type and size
3.1 The type should comply with the provisions of Figure 1,
Screw: 2-
Nut: 3-Nolan:
4-Goods 1: 5 Order: 6-Order 2
National Machinery Industry Products 1999-06-28 Approved 2000-01-01 Implementation
3.2 The dimensions shall be in accordance with the provisions of Figure 1 and Table 1
JBr2001.1S-3999
3.3 For medium 5 (steel), the provisions of JB/T2001.5 shall apply. Table 1
J8F20115.1
JB/T200)15.2
J13/1200115.3
1R/T 2001.15.4
I:1 20m1 15.5
JB:J20U1156
JB,T2001.15.7
4 Marking example
Light joint pipe
Square connecting flange with nominal diameter of 10mm:Www.bzxZ.net
3B:T2001151999
Flange DNIO
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