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Position: Chinese Standard in English/JB/T 4703-2000
JB/T 4703-2000   Welding neck flange (English Version)
Standard No.: JB/T 4703-2000 Status:superseded remind me the status change

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Language:English File Format:PDF
Word Count: 4000 words Price(USD):100.0 remind me the price change

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Implemented on:2000-9-30 Delivery: via email in 1 business day
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Standard No.: JB/T 4703-2000
English Name: Welding neck flange
Chinese Name: 长颈对焊法兰
Professional Classification: JB    Professional Standard - Machinery
Issued by: MOC; AQSIQ
Issued on: 2000-4-24
Implemented on: 2000-9-30
Status: superseded
Superseded by:NB/T 47023-2012 Welding neck flange
Superseded on:2013-3-1
Superseding:JB 4703-1992 Welding neck flange
Language: English
File Format: PDF
Word Count: 4000 words
Price(USD): 100.0
Delivery: via email in 1 business day
1 Scope This standard specifies the structural style and series dimension of steel pressure vessels welding neck flange This standard is applicable to the steel pressure vessels welding neck flange which nominal pressure is 0.6〜 6.4 MPa, and working temperature is -70 ~450 ℃. This standard is applicable to corrosion allowance ≤three min 2 Normative References The involved provisions in the following standard will become the provisions quoted by this standard. When published, all the shown versions are valid. All the standards will be modified, and all parties using this standard shall discuss the possibility of using the latest version. JB/T 4700—2000Classification and technical conditions for pressure vessel flanges JB/T 4704—2000Nonmetallic Gaskets JB/T 4705—2000Spiral Wound Gaskets JB/T 4706—2000metallic-jacketed Gaskets JB/T 4707—2000Stud Bolts 3 Structural style and dimension The Structural style and dimension of welding neck flange of every kind of sealing surface shall be in accordance with the provisions of figure1 to Figure 6 and Table 2;the quality of flange and lined-ring is listed in Table 2 4 Selection provisions 4.1 The materials of flange and assorted gasket, stud, and screw nut, maximum allowable working pressure, technical conditions and its label shall be in accordance with the provisions of JB/T 4700 4.2 Flange-used nonmetallic gaskets, spiral wound gasket, and metallic-jacketed gaskets shall be in accordance with the provisions of JB/T 4704、JB/T 4705、JB/T 4706 respectively. 4.3 Flange-used equilong double-end screw bolt shall be in accordance the provisions of JB/T 4707 4.4 When the thickness of the butt joint cylinder which is connected with flange, is less than the minimum thickness δ0 of butt cylinder in table 1, it shall meet the requirements of Table 3, and adjust the total height H of flange, and mark it out together with flange's height in flange's label.
Referred in JB/T 4703-2000:
* JB/T 4700-2000 Type and speclflcation for pressure vessel flanges
* JB/T 4704-2000 Nonmetallic gaskets
* JB/T 4705-2000 Spiral wound gaskets
* JB/T 4706-2000 Double-jacketed gaskets
* JB/T 4707-2000 Stud bolts
JB/T 4703-2000 is referred in:
* JB/T 4756-2006 Nickel and nickel alloy pressure vessels
* GB 150.3-2011 Pressure Vessels -Part3: Design
* GB 150.4-2011 Pressure Vessels --Part 4: Fabrication, inspection and testing, and acceptance
* JB/T 4745-2002 Titanium welded vessels
* JB/T 4755-2006 Copper pressure vessels
* JB/T 4734-2002 Aluminium welded vessels
* GB 150.3-2011 Pressure Vessels -Part3: Design
* GB 150.4-2011 Pressure Vessels --Part 4: Fabrication, inspection and testing, and acceptance
* HG/T 20583-2011 Specification of structural design for steel chemical vessels
* NB/T 47003.1-2009(JB/T 4735.1) Steel Welded Atmospheric Pressure Vessels
* NB/T 47003.1-2009(JB/T4735) Steel Welded Atmospheric Pressure Vessels
* NB/T 47003.1-2009(JB/T 4735.1) Steel Welded Atmospheric Pressure Vessels
*DL/T 543-2009 Guideline for the acceptance of water treatment equipment used in power plant
Code of China
Standard
JB/T 4703-2000  Welding neck flange (English Version)
Standard No.JB/T 4703-2000
Statussuperseded
LanguageEnglish
File FormatPDF
Word Count4000 words
Price(USD)100.0
Implemented on2000-9-30
Deliveryvia email in 1 business day
Detail of JB/T 4703-2000
Standard No.
JB/T 4703-2000
English Name
Welding neck flange
Chinese Name
长颈对焊法兰
Chinese Classification
Professional Classification
JB
ICS Classification
Issued by
MOC; AQSIQ
Issued on
2000-4-24
Implemented on
2000-9-30
Status
superseded
Superseded by
NB/T 47023-2012 Welding neck flange
Superseded on
2013-3-1
Abolished on
Superseding
JB 4703-1992 Welding neck flange
Language
English
File Format
PDF
Word Count
4000 words
Price(USD)
100.0
Keywords
JB/T 4703-2000, JB 4703-2000, JBT 4703-2000, JB/T4703-2000, JB/T 4703, JB/T4703, JB4703-2000, JB 4703, JB4703, JBT4703-2000, JBT 4703, JBT4703
Introduction of JB/T 4703-2000
1 Scope This standard specifies the structural style and series dimension of steel pressure vessels welding neck flange This standard is applicable to the steel pressure vessels welding neck flange which nominal pressure is 0.6〜 6.4 MPa, and working temperature is -70 ~450 ℃. This standard is applicable to corrosion allowance ≤three min 2 Normative References The involved provisions in the following standard will become the provisions quoted by this standard. When published, all the shown versions are valid. All the standards will be modified, and all parties using this standard shall discuss the possibility of using the latest version. JB/T 4700—2000Classification and technical conditions for pressure vessel flanges JB/T 4704—2000Nonmetallic Gaskets JB/T 4705—2000Spiral Wound Gaskets JB/T 4706—2000metallic-jacketed Gaskets JB/T 4707—2000Stud Bolts 3 Structural style and dimension The Structural style and dimension of welding neck flange of every kind of sealing surface shall be in accordance with the provisions of figure1 to Figure 6 and Table 2;the quality of flange and lined-ring is listed in Table 2 4 Selection provisions 4.1 The materials of flange and assorted gasket, stud, and screw nut, maximum allowable working pressure, technical conditions and its label shall be in accordance with the provisions of JB/T 4700 4.2 Flange-used nonmetallic gaskets, spiral wound gasket, and metallic-jacketed gaskets shall be in accordance with the provisions of JB/T 4704、JB/T 4705、JB/T 4706 respectively. 4.3 Flange-used equilong double-end screw bolt shall be in accordance the provisions of JB/T 4707 4.4 When the thickness of the butt joint cylinder which is connected with flange, is less than the minimum thickness δ0 of butt cylinder in table 1, it shall meet the requirements of Table 3, and adjust the total height H of flange, and mark it out together with flange's height in flange's label.
Contents of JB/T 4703-2000
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Keywords:
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