CBM 1007-1981 16kgf/cm2 cast iron and cast steel flanges CBM1007-1981 standard download decompression password: www.bzxz.net
Some standard content:
Foreign Trade Standard of the Sixth Machinery Industry Ministry of the People's Republic of China 16kgf/cm Cast Iron and Cast Steel Flange This standard flange connection dimensions are the same as J1S B2213-1976 Applicable media range: steam, air, water and oil, etc. 2 Flange dimensions refer to the following figure and Table 1. The rest V3 Note: The double-dotted line in the figure is a full-plane flange. Issued by the Sixth Ministry of Machinery Industry Proposed by the Pipe Accessories Group CBM1007-81 Implemented on July 1, 1981 The Seventh Othorp Free Standard Network (www.freebz.net) without registration for downloading and drafting (90) 10d100 125125 15d150 20d200 25q250 30q30 0 35q335 40d380 45q430 50q480 CBM1007-81 Sealing surface Neck diameter Ball is cast iron Ductile iron Note: Try not to use the nominal diameter in brackets: 20 Total 3 pages Page 2 Center circle Free standard network (www.freebz.net) No registration is required to download the number Countersunk seat Thread) CBM1007-81 3. Flange materials are as per Table 2. Parts name Cast steel flange Ductile iron flangebzxZ.net Cast iron flange Ductile iron Gray cast iron Bolts and nuts are as per Table 3: Below 220℃ 220℃~<350C High quality carbon Element·steel Free standard Total 3 pages Page 3 QT42-10 HT20-40 Standard Standard number GB699-65 20crMo 350c425℃ Alloy structural steel yB6-71 Note: High-quality carbon steel strip above No. 35 is quenched and tempered 5. High-quality carbon Standard number CB772-70 GB1348-78 GB976-67 Flange allowable temperature and working pressure are temporarily in accordance with CBM102281 flange sealing surface and gasket. iAccording to CBM1002-81: Flange size allowable deviation is in accordance with CBM1003-81: Free standard network (www.freebz.net) can be downloaded without registration Standard number GB699-65 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.