This standard replaces JB 79-59. This standard specifies the types and dimensions of tongue-and-groove integral cast steel pipe flanges with nominal pressures PN of 4.0, 6.3, and 10.0MPa. This standard applies to tongue-and-groove integral cast steel pipe flanges with nominal pressures PN4.0~10.0MPa. JB/T 79.3-1994 Tongue and groove surface integral cast steel pipe flange JB/T79.3-1994 Standard download and decompression password: www.bzxz.net
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Machinery Industry Standard of the People's Republic of China Simple groove surface integral cast steel pipe flange Subject content and scope of application JB/T 79.3 Replaces 3379-59|| tt | Standard for Grooved Surface Integral Cast Steel Pipe Method No. 2 Pipeline Flange Technical Conditions JB/T74 3 The type and size of the flange should comply with Figure 1 and Table 1~ According to the provisions of Table 3, the technical requirements of D Figure 1 4 flange are in accordance with the provisions of JB/T74. 5 The nominal pressure of the flange and the maximum allowable pressure at different temperatures 1. The operating pressure is in accordance with the provisions of Appendix B of JB/T74, approved by the Ministry of Machinery Industry of the People's Republic of China on 1994-12-09 and implemented in 1995.1007 345||tt| |-94 JB/T 79.3- R N 法 c 法 8t8159x| |tt||0F202 s9/8tg N 9287888 8928 829/929 6 8 n face bye 928/288 202/22 229/929 x| |tt||678/998 139/6t9 7 New 9 096 00 6yang S /8 e 98 ES A 91n "华 2 FS/8 80/2 8/95 3 57/92||tt| |S2/9 2 8 4BBBB 7 Continue 08 4||tt| |5 K 科 sr of 1 0897999 C99/099 029708 019/919 / sf 0 61/002 08/8 91/s9 0|| tt||S under inspection ( (21) 50 346 94|| tt||JIB/T 79.3 R 5 5 法bzxZ.net 0 y sS1| |tt||S29:529 9. 0 ruler 9 of n x Bait Tri #t9 5 citation 23 5 丽 3 6 E 888 O ES E 2/2 Hope /学 2 o o Cao · 59 1/9||tt| |pe/9s te98 4 9 83 continued K Junior High School||tt ||lian 369.009 025 Or8/Srs 16 5 012/12 0020| |tt||C21/081 S OSSS co sat () 0 1 JB/T 79.3-94 R Yan 2 N 法 m||tt ||C 8 24 5 2 - 5%68 4||tt ||X People 0 x 58 5 189 8 5 2 R 丽 α Sr/F S1/S 2/68 9 OSW Z 91 5 2||tt ||2 2 2 2 s/st P9/8t 88/2 /98 279 /9 19 8 3 foot continue 029 005 0 9 K lian S12 28 00S/ 209 02 Ft 088 018/918 191702 SELOt son rice 00 348 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.