一. 主要功能、特点: 1.本阀装置的目的是风机停转时防止气体倒流.2.本阀装置要求风速不少于8m/秒.3.本图安装方式样水平,垂直式安装不用重锤,订货时应注明安装方式.
止回阀规
单价(元)
200X200
99
250X200
106
250X250
127
320X200
119
320X250
138
320X320
156
400X200
400X250
400X320
160
400X400
198
500X200
500X250
187
500X320
204
500X400
220
500X500
259
630X200
630X250
215
630X320
231
630X400
253
630X500
292
630X630
396
700X200
193
700X250
226
700X320
242
700X400
264
700X500
363
700X630
407
700X700
451
800X200
209
800X250
800X320
330
800X400
800X500
430
800X630
490
800X700
528
800X800
550
900X200
900X250
900X320
900X400
365
900X500
425
900X630
500
900X700
567
900X800
595
900X900
635
1000X200
240
1000X250
290
1000X320
1000X400
395
1000X500
460
1000X630
545
1000X700
585
1000X800
620
1000X900
688
1000X1000
737
1200X320
1200X400
468
1200X500
355
1200X630
627
1200X700
660
1200X800
705
1200X900
780
1200X1000
825
1200X1200
952
1400X320
479
1400X400
530
1400X500
615
1400X630
700
1400X700
1400X800
790
1400X900
870
1400X1000
935
1400X1200
1067
1400X1400
1210
1500X320
506
1500X400
555
1500X500
640
1500X630
740
1500X700
1500X800
830
1500X900
920
1500X1000
979
1500X1200
1155
1500X1400
1260
1500X1500
1348
1600X320
535
1600X400
1600X500
670
1600X600
1600X700
820
1600X800
880
1600X900
980
1600X1000
1030
1600X1200
1166
1600X1400
1320
1600X1500
1450
1600X1600
1520
1700X320
1700X400
605
1700X500
1700X630
1700X700
858
1700X800
925
1700X900
1018
1700X1000
1700X1200
1227
1700X1400
1386
1700X1500
1480
1700X1600
1538
1700X1700
1628
1800X320
1800X400
1800X500
1800X630
1800X700
897
1800X800
1800X900
1056
1800X1000
1800X1200
1295
1800X1400
1452
1800X1500
1545
1800X1600
1615
1800X1700
1716
1800X1800
1771
1900X320
1900X400
1900X500
765
1900X630
1900X700
1900X800
1001
1900X900
1111
1900X1000
1188
1900X1200
1900X1400
1518
1900X1500
1580
1900X1600
1677
1900X1700
1755
1900X1800
1848
1900X1900
1955
2000X320
650
2000X400
699
2000X500
805
2000X630
2000X700
2000X800
1045
2000X900
2000X1000
2000X1200
1399
2000X1400
1579
2000X1500
1639
2000X1600
1678
2000X1700.
1859
2000X1800
1925
2000X1900
2035
2000X2000
2112