JIS B2301-2004 Screwed type malleable cast iron pipe fittings.pdf
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1、 ? ? JIS B 2301?2004 ?JPF?JSA? ! 16 “ 3 # 20 $ % ?A 25.3.307 7 %85 6.3? ?)AB 6 7.? C2DEFG-EFHIJ6 7.1? ?6 7.2? ?KL)MN 6 7.3? OPQ6 7.4? RST6 7.5? UV6 7.6? WOX6 7.7? YZC26 7.8? WO)6+6 7.9? _6 7.10? aEF6 8.? bc7 8.1? bc7 8.2? d?7 8.3? eOfghijkSl7 8.4? mOfgno 7 9.? pqG-rs7 9.1? rs)(G-rst?7 9.2? bcrs8 9.3
2、? d?rs8 9.4? eOfghijkSlrs8 9.5? mOfgnors8 9.6? ?rs8 9.7? ?KL)MNrs8 9.8? C2uEFrs 8 B 2301?2004? ? ?3? ? ?( 9.9? 8rs8 9.10? vwrs8 9.11? mxrs 9 9.12? yz|pq 9 9.13? ?9 10.? ?),-? 9 11.? ?9 11.1? ?)? 9 11.2? ?)? 10 12.? |?10 ? 1?eOfghijkSl 58 ? 2?mOfgno60 ? 3?EFPQ?+63 ? 4?JIS 4?%4)? 96 ? ?106 B 2301?2004
3、 ?4? ? )7 7 7 * ? ?%? ? ? JIS B 2301?2004 ? Screwed type malleable cast iron pipe fittings ?7 n?12?1994 “? 2 +?45? ISO 49:1994?Malleable cast iron fittings threaded to ISO 7-1 ?,?-.?$()12?1?p?/0?n?h12?34?56?F? ?12?1?78?9:?!?$()12? ?n?12?;?KL?p? ?op?1? ?(1) nn?p?N?kN?QN?lm?N?()?N?,?noN?npN?p? (2) nn?
4、p?abc? 6?bc?Miqc?r?bc?pp? st? ?N(5) 2.5 2.5 2.0 300 ?j? ? _?Z 2.0 1.0 1.0 ?(5) ?N?s?9?pN? ?20 ?r?p?20 ?o?r?”?2H?3 ? ?1. o 120V300 ?Q?o?E?sr?t?1? ?N?4?t?9?N?9? 8? ?220 ?o?r? 2. nn?1?sr?t?r?”?2H?3? 3. ? ?KL?/0?2H?3? b) ?GH?A?5 B?4? ? 500 g/m2? ? 70Cm?j v?4? 450 g/m2? ? 63Cm?jv? ?s?Cm?f?DE?1? mA s = 7.
5、2 nn? mA? ?A?g/m2? ?F?w?A?1?GH?op?IJK? ?p? n?”?“?L?5 Ljv? c) KL?GH?fg6(?8?p?E?p?GH?G H?M?NIJ?O8rs7 tO-? ?!?“#?KL?op?5?JIS S 3200-1 ?5?p? ?p?Nt? 2.5 MPa ? 9.10 vwrs7 ?O-? ?!?“#?KL?op?5p? ?p?5?p? a) 2.0 MPa ?Nt?6? b) JIS S 3200-1 ? 2?t? 0.5 MPa ?eZ?“?p? 9 B 2301?2004 ? c) JIS S 3200-1 ? 3?t? 0.5 MPa ?
6、 d) a)?b)s? c)?_?a?U? 9.11 mxrs7 !TO-? f!?KL?op?VW?5p? ?$?#=?p? 9.12 yz|pq7 ?gTt? a) ?H?gTt?h1?”?u”“s?=?DE?)H?30?E? ?p? ?H?gTt?h?ij?E?p?gTt?)H?z? k?Ye?5?p? b) 120 ?j?sr?t?t?Nt?2H?3? ?5?t?9?$?9?p? 9.13 ?7 ?H?h1?”?)H?KL?n?12?n? ?p?t?Dw?cD?45?E?p? 30?”?n?cD?”?p?n?cD? 10. ?),-?7 KL?SU?12ls?12?w?/0?wx?/0
7、? 9?S? 1. JIS B 2301 7 QRp? 23/4 2. def?ghi?cKL 45? ? 11/2 m m m m ?12ls?12? ?w?/0? ?wx?/0? ?KL?9? S? 11. ?7 11.1 ?)? KL?hde?s?n?U?2?E?E? ?p?B?u?2?E?p?E?1?2?n? ?p?E?GH?(9)?n?x?p?B?2?op?E?E? ?p?B?”?B?u?2?T?E?p? a) ?)Hs?B? b) KL?9?S ?(9) ?EGH? 7 ?E? ? 7? ?”fl ) ?w?/0 ?)Hs?B?KL? 9?S?E?GH? KL?9?S?E?GH?
8、QRp? ? 3/81/8?3/81/4 QRp T ? 1/41/43/8?3/83/81/8?3/83/81/4 QRp? ? 1/41/8?3/81/8?3/81/4 ? 1/41/8?3/81/8?3/81/4 1/21/8?1/21/4?1/23/8 ? 1/4 3/8 “? 1/8 1/4?3/8?1/2?3/4?1 10 B 2301?2004 ? ? 8? ?”fl )? ?w?/0 ?)Hs?B?KL? 9?S?E?GH? KL?9?S?E?GH? ? 1/8?1/4 3/8 ? 1/4 3/8 11.2 ?)?7 op?2?E?p?11.1 ?T?E?x? 2?q?op?E
9、?E?p? a) /0(10) b) KL?9?S c) ? d) ?)Hs?B? ?(10) ?f?/0?x?p? 12. |?7 Ttbc? a) n?12?KL?)H? ?T?1?”?p?n?bc?Lr? JIS Q 9001 ?Tt?(?_?st?n?p?n?n? ;?p? 1) JIS Q 9001 ?Tt?(?_?L?uE?vk 2) ?Tt?(?_?L?uE?_? b) n?12?r?H? ?)H? JIS Q 9001 ?Tt?(?_?wH?xy? z?n?p? 11 B 2301?2004 ? ? 1? I C)?)? 12 B 2301?2004 ? ? 2? I C)?_
10、Ui_? 45?G- 45?45?_Ui_? ? ? 45|? 45|? ?_? ?45|_? ? mm Q? KL?9? ?S A A 45| B B 45| 1/ 8 1/4 3/8 17 19 23 16 17 19 26 30 35 21 23 27 1/2 3/4 1 27 32 38 21 25 29 40 47 54 31 36 42 11/4 11/2 2 46 48 57 34 37 42 62 68 79 49 51 59 21/2 3 4 69 78 97 49 54 65 92 104 126 71 79 96 5 6 113 132 74 82 148 170 110
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