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1、LENGTH OF BOLTSDiamofStud1/2"1/2"1/2"1/2"1/2"5/8"5/8"5/8"5/8"5/8"3/4"3/4"3/4"7/8"7/8"1"1"1 1/8"1 1/8"1 1/4"1 1/4"1 1/4"1 1/4"1 1/4"1 1/2"1 1/2"1 1/2"1 1/2"1 1/2

2、"1 1/2"1 1/2"1 1/2"1 1/2"Class 150COOECCheck ValveGroovenumberNPSNO.ASMEButterfly ValveValve-Bolt-LengthValve-Bolt-LengthLength (in)(RF)(in)Length (in)(RF)(in)-12.13-14.63-17.13-20.751/21. The length of the stud bolt does not include the height of the points.2. The length of

3、 the stud bolt does not include the thickness of the washers.3. Size 26"48", use ASME B16.47 Series A (If flange joints include blind flange, calculation should be done separately). Size 22", use MSS SP 44.4. Dimension of butterfly valve on the table as per API 609 category B.5. Stud

4、bolt length shall comply to ASME B16.5 or B16.47 excluding end points, and shall be lengthened by 0.25 in for diameter smaller than 1-1/4" Stud bolts 1-1/4" diameter and over shall be lengthened by 1.5 bolt diameter to accommodate bolt torquing or tensioning. And all stud bolt length shall

5、 be rounded up to the nearest 0.25 in .PAGE 3 OF 8LENGTH OF BOLTSDiamofStud1/2"5/8"5/8"5/8"3/4"5/8"3/4"3/4"3/4"3/4"3/4"3/4"7/8"1"1 1/8"1 1/8"1 1/4"1 1/4"1 1/4"1 1/2"1 1/2"1 5/8"1 5/8"1

6、3/4"1 7/8"1 7/8"2"1 1/2"1 5/8"1 5/8"1 3/4"1 7/8"1 7/8"Class 300COOECCheck ValveGrooveNPSNO.ASMEButterfly ValveValve-Bolt-LengthValve-Bolt-LengthLength (in)(RF)(in)Length (in)(RF)(in)-14.63-19.13-22.50-24.881/21. The length of the stud bolt does not i

7、nclude the height of the points.2. The length of the stud bolt does not include the thickness of the washers.3. Size 26"48", use ASME B16.47 Series A (If flange joints include blind flange, calculation should be done separately). Size 22", use MSS SP 44.4. Dimension of butterfly valve

8、 on the table as per API 609 category B.5. Stud bolt length shall comply to ASME B16.5 or B16.47 excluding end points, and shall be lengthened by 0.25 in for diameter smaller than 1-1/4" Stud bolts 1-1/4" diameter and over shall be lengthened by 1.5 bolt diameter to accommodate bolt torqui

9、ng or tensioning. And all stud bolt length shall be rounded up to the nearest 0.25 in .PAGE 4 OF 8LENGTH OF BOLTSDiamofStud1/2"5/8"5/8"5/8"3/4"5/8"3/4"3/4"7/8"7/8"1"1"1 1/8"1 1/4"1 1/4"1 3/8"Class 600COOECCheck ValveGroo

10、veNPSNO.ASMEButterfly ValveValve-Bolt-LengthValve-Bolt-LengthLength (in)(in)Length (in)(in)1/21 1/2"10.001 5/8"10.751 5/8"11.251 3/4"12.001 7/8"1 7/8"2"2"2 1/4"2 1/4"2 1/2"2 1/4"2 1/4"2 1/2"2 1/2"2 1/2"2 3/4"1. The

11、length of the stud bolt does not include the height of the points.2. The length of the stud bolt does not include the thickness of the washers.3. Size 26"48", use ASME B16.47 Series A (If flange joints include blind flange, calculation should be done separately). Size 22", use MSS SP

12、44.4. Dimension of butterfly valve on the table as per API 609 category B.5. Stud bolt length shall comply to ASME B16.5 or B16.47 excluding end points, and shall be lengthened by 0.25 in for diameter smaller than 1-1/4" Stud bolts 1-1/4" diameter and over shall be lengthened by 1.5 bolt d

13、iameter to accommodate bolt torquing or tensioning. And all stud bolt length shall be rounded up to the nearest 0.25 in .PAGE 5 OF 8LENGTH OF BOLTSDiamofStud3/4"3/4"7/8"7/8"1"7/8"1"7/8"1 1/8"1 1/4"1 1/8"1 3/8"1 3/8"Class 900COOECCheck

14、ValveGrooveLength (in)(RTJ)(in)NPSNO.ANSI1/21 3/8"10.001 1/2"10.751 5/8"11.251 7/8"12.752"2 1/2"2 3/4"3"3"3 1/4"3 1/2"3 1/2"3 1/2"3 1/2"3 1/2"3 3/4"4"4"1. The length of the stud bolt does not include the height

15、 of the points.2. The length of the stud bolt does not include the thickness of the washers.3. Size 26"48", use ASME B16.47 Series A (If flange joints include blind flange, calculation should be done separately). Size 22", use MSS SP 44.4. Stud bolt length shall comply to ASME B16.5 o

16、r B16.47 excluding end points, and shall be lengthened by 0.25 in for diameter smaller than 1-1/4" Stud bolts 1-1/4" diameter and over shall be lengthened by 1.5 bolt diameter to accommodate bolt torquing or tensioning. And all stud bolt length shall be rounded up to the nearest 0.25 in .P

17、AGE 6 OF 8LENGTH OF BOLTSDiamofStud3/4"3/4"7/8"7/8"1"7/8"1"1 1/8"1 1/4"1 1/2"Class 1500COOECCheck ValveGroovenumberR12R14R16R18R20R24R27R35R39R44R46R50R54R58R63R67R71R75R79Valve-Bolt-LengthLength (in)(RTJ)(in)NPSNO.ANSI1/21 3/8"10.251 5/8"1

18、1.501 7/8"13.252"14.752 1/4"16.002 1/2"17.502 3/4"19.503"21.253 1/2"24.251. The length of the stud bolt does not include the height of the points.2. The length of the stud bolt does not include the thickness of the washers.3. Size 26"48", use ASME B16.47

19、Series A (If flange joints include blind flange, calculation should be done separately). Size 22", use MSS SP 44.4. Stud bolt length shall comply to ASME B16.5 or B16.47 excluding end points, and shall be lengthened by 0.25 in for diameter smaller than 1-1/4" Stud bolts 1-1/4" diamete

20、r and over shall be lengthened by 1.5 bolt diameter to accommodate bolt torquing or tensioning. And all stud bolt length shall be rounded up to the nearest 0.25 in .PAGE 7 OF 8LENGTH OF BOLTSDiamofStud3/4"3/4"7/8"1"1 1/8"1"1 1/8"1 1/4"Class 2500COOECCheck ValveGroovenumberR13R16R18R21R23R26R28R32R38R42R47R51R55R60Valve-Bolt-LengthLength (in)(RTJ)(in)NPSNO.ANSI1/23/411 1/41 1/222 1/2345681012Notes:444448888881212121 1/2"10.001 3/4"11.752"2"1 1/2"

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