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原装*美国MAC电磁防爆阀供应，MAC电磁防爆阀技术参数有：
1. 压力范围：-10KPA~+20KPA
2. 温度范围：-20℃~395℃
MAC防爆阀的安装部位
易于出现内爆的锅炉本体及除尘器前烟道上
MAC防爆阀的安装要求
1. 防爆阀的安装可以任意角度安装
2. 两台防爆阀之间的安装位置zui小间隔200MM
原装*美国MAC电磁防爆阀供应，MAC电磁防爆阀结构原理是：
美国MAC防爆阀一般有两种形式，水平式防爆阀和垂直式防爆阀。这两种MAC防爆阀都是采用防爆膜加盖的结构形式，垂直式防爆阀是安装在筒体上，而水平式防爆阀是安装在顶部。美国MAC防爆阀在火电厂机组运行中，当锅炉送引风机运行不正常导致炉膛处于过高的引风压头下，同时由于燃料输入量迅速减少或总燃料跳闸，导致炉膛烟气和压力急剧降低，这种恶劣工况的组合将导致炉膛内爆(吸瘪)，在锅炉本体及除尘器前烟道上安装超导磁预紧式防爆阀，可使锅炉在发生内爆时能提前向锅炉及烟道内补充空气，避免造成炉膛产生*变形及烟道爆炸。
原装*美国MAC电磁防爆阀供应，MAC电磁防爆阀常用型号有：
111B-221JB 44C-BBA-GDFJ-1GD MOD 4293 6521B-213-PP-611DA
130B-A21BAAA 451A-B0A-DM-DJBA-1BA 6521B-313-PM-111DA
161B-611JM MOD 2232 451A-B0A-GM-GDFA-1KA 6521B-313-PP-611DA
33A-AAB-RDMA-3BA 451A-C0A-DM-DDAJ-1KD 6521B-353-PM-121DA
35A-ACA-DEFJ-1JJ MOD EC22 451A-COA-DM-DDAJ-1JD 6522B-231-PM-121BA
411A-DOB-DM-DJBA-1BA 451A-D0A-DM-DDAA-1BA 6522B-341-RA
421A-DOA-DM-DDFA-1BA MOD CLSF 451A-D0A-DM-DDAJ-1JB 6523B-000-PM-111DA
45A-AA1-DFBJ-1KG 451A-D0A-DM-DJBA-1BA 6523B-000-PM-501DA
45A-AC1-DDEA-1BA MOD 4871 451A-DOA DM-DJEA-1BA 6523B-000-PM-611DA
46A-GC1-JAAA-1GG 451A-DOJ-RA14 6523B-000-PP-501DA
56C-13-611JA 45A-AA1-DAAA-1BA 6523B-000-PP-611DA
56C-28-611JB 45A-AA1-DAAA-1BL 6523B-211-PP-501DA
6311D-351-PM-111DA 45A-AA1-DAAA-1CA 6523B-211-PP-611DA
6311D-351-PM-112DA 45A-AA1-DAAA-1CM 6523B-311-PM-501DB
6511B-211-PM-121DA 45A-AA1-DAAA-1CM MOD CLSF 6523B-311-PM-611DA
6611A-352-PM-611DA 45A-AA1-DAAJ-1KD 6523B-311-PM-611DA MOD 7266
811C-PM-121AA-152 45A-AA1-DAAJ-1KJ 6523B-311-PP-111DA
811C-PP-121BA-152 45A-AA1-DABA-1BA 6523B-311-PP-501DA
825C-PM-591BA-555 45A-AA1-DABA-1BA MOD CLSF 6523B-311-PP-611DA
82A-AA-000-TM-DAAP-1DA 45A-AA1-DABA-1CA MOD CLSF 6523B-313-PM-611DA
82A-AC-000-TM-DAAP-2DA 45A-AA1-DABJ-1JB 6523B-651-PM-691DA MOD CLSF
912B-PM-111BA 45A-AA1-DABJ-1JB MOD 0389 6531B-000-PM-611DA
915B-PM-871JB MOD CLSF 45A-AA1-DABJ-1JB MOD CLSF 6531B-114-PM-111DA
93A-ABA-000-DM-DFRA-1BM MOD7183 45A-AA1-DABJ-1KA 6531B-311-PM-611DA
93A-AJO-FOJ-DM-DJBJ-1JB 45A-AA1-DABJ-1KA MOD 1007 6531B-351-PM-111DA
BV10A-CA1-00-BEAA-CTA MOD 7636 45A-AA1-DABJ-1KA MOD M705 6531B-351-PM-291DA
DMB-DFRA-1BM MOD 7183 45A-AA1-DACA-1BA 6531B-351-PM-591DA
PPC036B-AAA-0AGAA-BAA-C0 45A-AA1-DACA-1BA MOD M499 6532B-281-RA
PPC5C-AAA-BGCB-BBA-B0 45A-AA1-DACC-1BA 6533B-311-PM-501DB
SMA-1801 45A-AA1-DACC-1BA MOD? 1090 6533B-511-PM-501DA
16368 45A-AA1-DACC-1CM 6533B-611-PM-501DA
16381 45A-AA1-DACJ-1KJ 6533B-653-PM-111DA
16475 45A-AA1-DAGA-1BA 6541B-211-PM-111DA
16556 45A-AA1-DBCA-1BA 6541B-214-PM-111DA
19546 45A-AA1-DDAA-1BA 6542B-331-PM-501JM
19669 45A-AA1-DDAA-1CA 6611A-211-PM-122DA
19674 45A-AA1-DDAA-1CM 6611A-211-PM-871DA MOD CLSF
21176 45A-AA1-DDAA-2BA 6611A-351-PM-611DA
23896 45A-AA1-DDAJ-1KA 6613A-000-PM-611DA
32444 45A-AA1-DDAJ-1KB 6613A-221-PM-501DA
70019 45A-AA1-DDAJ-1KD 6613A-351-PM-611DA
123457 45A-AA1-DDAJ-1KG 6621A-311-PM-122DA
916595 45A-AA1-DDAJ-2KD 6623A-000-PM-611DA
1111A-037 45A-AA1-DDBD-1BA 6623A-251-PM-692DA MOD 2134
1111A-111 45A-AA1-DDBJ-3KG 6623A-351-PM-611DA
111B-1 45A-AA1-DDBJ-3KJ 6631A-311-PM-121DA
111B-111AA 45A-AA1-DDCC-1BA 6631A-351-PM-111DA
111B-111BA 45A-AA1-DDCC-1BA MOD 1090 6631A-351-PM-612DA
111B-111CA 45A-AA1-DDDJ-1KD 6633A-351-PM-121DA
111B-111JA 45A-AA1-DDFA-1BA MOD CLSF 6633A-553-PM-111DA
111B-111JB 45A-AA1-DDFA-1BA MOD T65C 6642A-000-PM-501JJ
111B-111NAAA 45A-AA1-DDFA-1CA MOD CLSF 6642A-331-PM-501JJ
111B-121BA 45A-AA1-DDFF-1JB MOD CLSF 6643A-000-PM-501DA
111B-121BA MOD M599 45A-AA1-DDFJ-1JB MOD CLSF 6643A-311-PM-501DA
111B-121CA 45A-AA1-DDFJ-1JB MOD M705 711C-11-PI-501BA
111B-121CA MOD T65C 45A-AA1-DDFJ-1JB MOD T65C 711C-11-RA
111B-121CC 45A-AA1-DDFJ-1JD MOD CLSF 711C-12-PI-111AA
111B-121JA 45A-AA1-DDFJ-1JM MOD CLSF 711C-12-PI-111CC
111B-121JA MOD CLSF 45A-AA1-DDFJ-1JM MOD M705 711C-12-PI-111JA
111B-121JB 45A-AA1-DDFJ-1KA MOD 4626 711C-12-PI-111JB
111B-121JB MOD T65C 45A-AA1-DDFJ-1KA MOD CLSF 711C-12-PI-121AA
111B-121JD 45A-AA1-DDFJ-1KD MOD CLSF 711C-12-PI-121BA
111B-121JD MOD CLSF 45A-AA1-DDPA-1BA 711C-12-PI-121CA
111B-121NA 45A-AA1-DEDA-1BA 711C-12-PI-121CC MOD 2208
111B-121NC 45A-AA1-DFAA-1BA 711C-12-PI-501BA
111B-122JA 45A-AA1-DFBA-1BA 711C-12-PI-592JB
111B-124BA 45A-AA1-DFEA-1BA 711C-12-PI-612JA
111B-221BA 45A-AA1-DFEC-1BA 711C-14-PI-121BA
111B-291JA 45A-AA1-DFED-1BA 711C-14-PI-501BA
111B-291JJ 45A-AA1-DFFA-1BA 712C-11-PI-612BA
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