127:
22:
150:
Blast dampers usually employ some type of blade held open with tension from a spring. The damper blades close automatically when pressure overcomes the resistance offered by the spring. Various models differ in the amount of blast protection (e.g. 1 bar/14.5 psi or lower amounts of protection) and
1498:
138:
resultant of an explosion. The blast dampers normally protect air inlets and exhaust penetrations in an otherwise hardened structure. Blast dampers are related or identical to
1448:
1478:
1614:
1493:
986:
235:
1488:
1420:
167:. Common applications include protecting equipment and personnel of control rooms and accommodation modules in petrochemical and
1293:
1453:
1415:
94:
66:
1276:
1318:
1031:
567:
296:
113:
73:
51:
387:
1468:
1282:
662:
226:
142:, the latter name is generally used to describe blast mitigation devices as they relate to nuclear explosions.
47:
80:
1609:
1430:
1374:
1369:
946:
474:
43:
991:
542:
463:
422:
1619:
1334:
1136:
647:
582:
500:
412:
276:
62:
1483:
1364:
1071:
836:
680:
1536:
1395:
1359:
1161:
791:
746:
674:
526:
469:
1583:
1405:
1101:
701:
480:
371:
356:
32:
1578:
1503:
1425:
1354:
1298:
1230:
1126:
1041:
951:
916:
392:
36:
1568:
1530:
1410:
1121:
552:
1588:
1266:
1225:
941:
612:
432:
204:
1390:
1380:
1324:
1261:
1156:
736:
685:
251:
87:
8:
1256:
1246:
1220:
1006:
668:
577:
547:
447:
417:
311:
271:
1519:
1463:
1400:
1177:
1056:
1051:
841:
652:
637:
219:
168:
1091:
1046:
801:
796:
726:
622:
458:
261:
1558:
1313:
1308:
891:
597:
495:
490:
485:
402:
1553:
1525:
1167:
1081:
1076:
1021:
1011:
1001:
931:
871:
786:
771:
592:
587:
562:
557:
427:
351:
134:
A blast damper is used to protect occupants and equipment of a structure against
1303:
1200:
976:
956:
921:
856:
776:
617:
607:
516:
366:
336:
291:
286:
184:
1603:
1385:
1236:
1131:
1096:
866:
861:
816:
811:
657:
632:
627:
602:
572:
442:
341:
321:
301:
212:
164:
1563:
1241:
1141:
1116:
1111:
1106:
1036:
971:
851:
821:
756:
731:
642:
521:
437:
361:
346:
331:
194:
135:
1573:
1215:
1172:
1146:
1086:
1066:
1061:
936:
896:
881:
826:
751:
721:
716:
532:
397:
316:
189:
139:
126:
1329:
1251:
1182:
1151:
1026:
996:
926:
876:
846:
831:
806:
711:
511:
407:
326:
266:
1288:
966:
961:
911:
886:
741:
537:
172:
21:
1271:
1205:
706:
506:
306:
281:
256:
781:
453:
130:
Blast Damper with integral grill to shield against flying objects
1458:
1210:
1016:
766:
151:
whether they stay closed after the blast or remain functional.
234:
1473:
906:
175:-resistant versions are often requested in these instances.
981:
901:
160:
1601:
220:
163:ductwork and provide proper airflow with low
171:facilities onshore and offshore. Acid- and
50:. Unsourced material may be challenged and
1615:Heating, ventilation, and air conditioning
987:High efficiency glandless circulating pump
236:Heating, ventilation, and air conditioning
227:
213:
159:Typical blast dampers are sized to match
114:Learn how and when to remove this message
1421:Mold growth, assessment, and remediation
125:
1602:
1294:Programmable communicating thermostat
208:
1416:Mechanical, electrical, and plumbing
48:adding citations to reliable sources
15:
13:
1277:Minimum efficiency reporting value
14:
1631:
1319:Standard temperature and pressure
1032:Packaged terminal air conditioner
568:Passive daytime radiative cooling
297:Heat pump and refrigeration cycle
388:Absorption-compression heat pump
20:
1283:Normal temperature and pressure
663:Vapor-compression refrigeration
1:
1431:Testing, adjusting, balancing
1375:Building information modeling
1370:Building services engineering
947:Ground-coupled heat exchanger
475:Demand controlled ventilation
423:Building insulation materials
200:
992:High-pressure cut-off switch
543:Ice storage air conditioning
464:Dedicated outdoor air system
145:
7:
1335:Thermostatic radiator valve
1137:Thermostatic radiator valve
648:Underfloor air distribution
583:Radiant heating and cooling
501:Energy recovery ventilation
413:Automobile air conditioning
277:Domestic energy consumption
178:
10:
1636:
1484:Institute of Refrigeration
1365:Architectural technologist
837:Electrostatic precipitator
1546:
1537:Volatile organic compound
1512:
1439:
1396:Environmental engineering
1360:Architectural engineering
1343:
1191:
1162:Ultra-low particulate air
747:Automatic balancing valve
694:
675:Variable refrigerant flow
527:Heat recovery ventilation
470:Deep water source cooling
380:
242:
154:
1584:Template:Home automation
1406:Kitchen exhaust cleaning
1102:Solar-assisted heat pump
702:Air conditioner inverter
481:Displacement ventilation
372:Vapour pressure of water
357:Thermal destratification
1579:World Refrigeration Day
1426:Refrigerant reclamation
1355:Architectural acoustics
1299:Programmable thermostat
1231:Clean air delivery rate
1127:Thermal expansion valve
1042:Pressurisation ductwork
952:Ground source heat pump
393:Absorption refrigerator
1569:Glossary of HVAC terms
1531:Sick building syndrome
1411:Mechanical engineering
1122:Smoke exhaust ductwork
553:Mixed-mode ventilation
131:
1589:Template:Solar energy
1267:Intelligent buildings
1226:Carbon dioxide sensor
613:Room air distribution
433:Central solar heating
129:
1610:Explosion protection
1391:Duct leakage testing
1381:Deep energy retrofit
1325:Thermographic camera
1262:Infrared thermometer
737:Air source heat pump
686:Water heat recycling
252:Air changes per hour
44:improve this article
1257:HVAC control system
1247:Home energy monitor
1221:Building automation
1007:Inverter compressor
669:Variable air volume
578:Passive ventilation
548:Kitchen ventilation
448:Constant air volume
418:Autonomous building
1620:Safety engineering
1520:Indoor air quality
1464:ASTM International
1401:Hydronic balancing
1178:Wood-burning stove
1057:Radiator reflector
842:Evaporative cooler
653:Underfloor heating
638:Thermal insulation
169:industrial process
132:
1597:
1596:
1513:Health and safety
1092:Scroll compressor
1047:Process duct work
802:Convection heater
797:Condensing boiler
727:Air-mixing plenum
623:Solar combisystem
459:Cross ventilation
262:Building envelope
124:
123:
116:
98:
1627:
1559:Building science
1314:Smart thermostat
1309:Room temperature
892:Fireplace insert
598:Radon mitigation
496:Electric heating
491:District heating
486:District cooling
403:Air conditioning
229:
222:
215:
206:
205:
119:
112:
108:
105:
99:
97:
56:
24:
16:
1635:
1634:
1630:
1629:
1628:
1626:
1625:
1624:
1600:
1599:
1598:
1593:
1554:ASHRAE Handbook
1542:
1526:Passive smoking
1508:
1441:
1435:
1347:
1345:
1339:
1193:
1187:
1168:Whole-house fan
1082:Run-around coil
1077:Reversing valve
1022:Mechanical room
1012:Kerosene heater
1002:Infrared heater
932:Gasoline heater
872:Fan filter unit
787:Condensate pump
772:Centrifugal fan
690:
593:Radiant heating
588:Radiant cooling
563:Passive cooling
558:Microgeneration
428:Central heating
376:
352:Thermal comfort
244:
238:
233:
203:
181:
157:
148:
120:
109:
103:
100:
57:
55:
41:
25:
12:
11:
5:
1633:
1623:
1622:
1617:
1612:
1595:
1594:
1592:
1591:
1586:
1581:
1576:
1571:
1566:
1561:
1556:
1550:
1548:
1544:
1543:
1541:
1540:
1534:
1528:
1523:
1516:
1514:
1510:
1509:
1507:
1506:
1501:
1496:
1491:
1486:
1481:
1476:
1471:
1466:
1461:
1456:
1451:
1445:
1443:
1437:
1436:
1434:
1433:
1428:
1423:
1418:
1413:
1408:
1403:
1398:
1393:
1388:
1383:
1378:
1372:
1367:
1362:
1357:
1351:
1349:
1341:
1340:
1338:
1337:
1332:
1327:
1322:
1316:
1311:
1306:
1304:Psychrometrics
1301:
1296:
1291:
1286:
1280:
1274:
1269:
1264:
1259:
1254:
1249:
1244:
1239:
1234:
1228:
1223:
1218:
1213:
1208:
1203:
1201:Air flow meter
1197:
1195:
1189:
1188:
1186:
1185:
1180:
1175:
1170:
1165:
1159:
1154:
1149:
1144:
1139:
1134:
1129:
1124:
1119:
1114:
1109:
1104:
1099:
1094:
1089:
1084:
1079:
1074:
1069:
1064:
1059:
1054:
1049:
1044:
1039:
1034:
1029:
1024:
1019:
1014:
1009:
1004:
999:
994:
989:
984:
979:
977:Heating system
974:
969:
964:
959:
957:Heat exchanger
954:
949:
944:
939:
934:
929:
924:
922:Gas compressor
919:
914:
909:
904:
899:
894:
889:
884:
879:
874:
869:
864:
859:
857:Expansion tank
854:
849:
844:
839:
834:
829:
824:
819:
814:
809:
804:
799:
794:
789:
784:
779:
777:Ceramic heater
774:
769:
764:
759:
754:
749:
744:
739:
734:
729:
724:
719:
714:
709:
704:
698:
696:
692:
691:
689:
688:
683:
678:
672:
666:
660:
655:
650:
645:
640:
635:
630:
625:
620:
618:Solar air heat
615:
610:
608:Renewable heat
605:
600:
595:
590:
585:
580:
575:
570:
565:
560:
555:
550:
545:
540:
535:
530:
524:
519:
517:Forced-air gas
514:
509:
504:
498:
493:
488:
483:
478:
472:
467:
461:
456:
451:
445:
440:
435:
430:
425:
420:
415:
410:
405:
400:
395:
390:
384:
382:
378:
377:
375:
374:
369:
367:Thermodynamics
364:
359:
354:
349:
344:
339:
337:Psychrometrics
334:
329:
324:
319:
314:
309:
304:
299:
294:
292:Gas compressor
289:
287:Fluid dynamics
284:
279:
274:
269:
264:
259:
254:
248:
246:
240:
239:
232:
231:
224:
217:
209:
202:
199:
198:
197:
192:
187:
185:Explosion vent
180:
177:
156:
153:
147:
144:
122:
121:
63:"Blast damper"
28:
26:
19:
9:
6:
4:
3:
2:
1632:
1621:
1618:
1616:
1613:
1611:
1608:
1607:
1605:
1590:
1587:
1585:
1582:
1580:
1577:
1575:
1572:
1570:
1567:
1565:
1562:
1560:
1557:
1555:
1552:
1551:
1549:
1545:
1538:
1535:
1532:
1529:
1527:
1524:
1521:
1518:
1517:
1515:
1511:
1505:
1502:
1500:
1497:
1495:
1492:
1490:
1487:
1485:
1482:
1480:
1477:
1475:
1472:
1470:
1467:
1465:
1462:
1460:
1457:
1455:
1452:
1450:
1447:
1446:
1444:
1442:organizations
1438:
1432:
1429:
1427:
1424:
1422:
1419:
1417:
1414:
1412:
1409:
1407:
1404:
1402:
1399:
1397:
1394:
1392:
1389:
1387:
1386:Duct cleaning
1384:
1382:
1379:
1376:
1373:
1371:
1368:
1366:
1363:
1361:
1358:
1356:
1353:
1352:
1350:
1342:
1336:
1333:
1331:
1328:
1326:
1323:
1320:
1317:
1315:
1312:
1310:
1307:
1305:
1302:
1300:
1297:
1295:
1292:
1290:
1287:
1284:
1281:
1278:
1275:
1273:
1270:
1268:
1265:
1263:
1260:
1258:
1255:
1253:
1250:
1248:
1245:
1243:
1240:
1238:
1237:Control valve
1235:
1232:
1229:
1227:
1224:
1222:
1219:
1217:
1214:
1212:
1209:
1207:
1204:
1202:
1199:
1198:
1196:
1190:
1184:
1181:
1179:
1176:
1174:
1171:
1169:
1166:
1163:
1160:
1158:
1157:Turning vanes
1155:
1153:
1150:
1148:
1145:
1143:
1140:
1138:
1135:
1133:
1132:Thermal wheel
1130:
1128:
1125:
1123:
1120:
1118:
1115:
1113:
1110:
1108:
1105:
1103:
1100:
1098:
1097:Solar chimney
1095:
1093:
1090:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1068:
1065:
1063:
1060:
1058:
1055:
1053:
1050:
1048:
1045:
1043:
1040:
1038:
1035:
1033:
1030:
1028:
1025:
1023:
1020:
1018:
1015:
1013:
1010:
1008:
1005:
1003:
1000:
998:
995:
993:
990:
988:
985:
983:
980:
978:
975:
973:
970:
968:
965:
963:
960:
958:
955:
953:
950:
948:
945:
943:
940:
938:
935:
933:
930:
928:
925:
923:
920:
918:
915:
913:
910:
908:
905:
903:
900:
898:
895:
893:
890:
888:
885:
883:
880:
878:
875:
873:
870:
868:
867:Fan coil unit
865:
863:
860:
858:
855:
853:
850:
848:
845:
843:
840:
838:
835:
833:
830:
828:
825:
823:
820:
818:
815:
813:
812:Cooling tower
810:
808:
805:
803:
800:
798:
795:
793:
790:
788:
785:
783:
780:
778:
775:
773:
770:
768:
765:
763:
760:
758:
755:
753:
750:
748:
745:
743:
740:
738:
735:
733:
730:
728:
725:
723:
720:
718:
715:
713:
710:
708:
705:
703:
700:
699:
697:
693:
687:
684:
682:
679:
676:
673:
670:
667:
664:
661:
659:
658:Vapor barrier
656:
654:
651:
649:
646:
644:
641:
639:
636:
634:
633:Solar heating
631:
629:
628:Solar cooling
626:
624:
621:
619:
616:
614:
611:
609:
606:
604:
603:Refrigeration
601:
599:
596:
594:
591:
589:
586:
584:
581:
579:
576:
574:
573:Passive house
571:
569:
566:
564:
561:
559:
556:
554:
551:
549:
546:
544:
541:
539:
536:
534:
531:
528:
525:
523:
520:
518:
515:
513:
510:
508:
505:
502:
499:
497:
494:
492:
489:
487:
484:
482:
479:
476:
473:
471:
468:
465:
462:
460:
457:
455:
452:
449:
446:
444:
443:Chilled water
441:
439:
436:
434:
431:
429:
426:
424:
421:
419:
416:
414:
411:
409:
406:
404:
401:
399:
396:
394:
391:
389:
386:
385:
383:
379:
373:
370:
368:
365:
363:
360:
358:
355:
353:
350:
348:
345:
343:
342:Sensible heat
340:
338:
335:
333:
330:
328:
325:
323:
322:Noise control
320:
318:
315:
313:
310:
308:
305:
303:
302:Heat transfer
300:
298:
295:
293:
290:
288:
285:
283:
280:
278:
275:
273:
270:
268:
265:
263:
260:
258:
255:
253:
250:
249:
247:
241:
237:
230:
225:
223:
218:
216:
211:
210:
207:
196:
193:
191:
188:
186:
183:
182:
176:
174:
170:
166:
165:pressure drop
162:
152:
143:
141:
137:
136:overpressures
128:
118:
115:
107:
96:
93:
89:
86:
82:
79:
75:
72:
68:
65: –
64:
60:
59:Find sources:
53:
49:
45:
39:
38:
34:
29:This article
27:
23:
18:
17:
1564:Fireproofing
1348:and services
1344:Professions,
1242:Gas detector
1142:Trickle vent
1117:Smoke damper
1112:Smoke canopy
1107:Space heater
1037:Plenum space
972:Heating film
852:Exhaust hood
822:Dehumidifier
762:Blast damper
761:
757:Barrier pipe
732:Air purifier
643:Thermosiphon
522:Free cooling
438:Chilled beam
362:Thermal mass
347:Stack effect
332:Particulates
312:Infiltration
243:Fundamental
195:Rupture disc
158:
149:
140:blast valves
133:
110:
101:
91:
84:
77:
70:
58:
42:Please help
30:
1574:Warm Spaces
1216:Blower door
1194:and control
1192:Measurement
1173:Windcatcher
1147:Trombe wall
1087:Sail switch
1067:Refrigerant
1062:Recuperator
937:Grease duct
897:Freeze stat
882:Fire damper
752:Back boiler
722:Air ionizer
717:Air handler
681:Ventilation
533:Hybrid heat
398:Air barrier
317:Latent heat
190:Fire damper
104:August 2009
1604:Categories
1330:Thermostat
1252:Humidistat
1183:Zone valve
1152:TurboSwing
1027:Oil heater
997:Humidifier
927:Gas heater
877:Fan heater
847:Evaporator
832:Economizer
807:Compressor
712:Air filter
695:Components
512:Forced-air
408:Antifreeze
381:Technology
327:Outgassing
267:Convection
201:References
74:newspapers
1440:Industry
1289:OpenTherm
967:Heat pump
962:Heat pipe
912:Fume hood
887:Fireplace
792:Condenser
742:Attic fan
538:Hydronics
173:corrosion
146:Operation
31:does not
1547:See also
1272:LonWorks
1206:Aquastat
1072:Register
1052:Radiator
707:Air door
507:Firestop
307:Humidity
282:Enthalpy
272:Dilution
257:Bake-out
245:concepts
179:See also
1346:trades,
917:Furnace
782:Chiller
454:Coolant
88:scholar
52:removed
37:sources
1499:SMACNA
1459:ASHRAE
1279:(MERV)
1233:(CADR)
1211:BACnet
1164:(ULPA)
1017:Louver
942:Grille
817:Damper
767:Boiler
665:(VCRS)
466:(DOAS)
155:Design
90:
83:
76:
69:
61:
1539:(VOC)
1533:(SBS)
1522:(IAQ)
1479:CIBSE
1474:BSRIA
1377:(BIM)
1321:(STP)
1285:(NTP)
907:Freon
677:(VRF)
671:(VAV)
529:(HRV)
503:(ERV)
477:(DCV)
450:(CAV)
95:JSTOR
81:books
1494:LEED
1454:AMCA
1449:AHRI
982:HEPA
902:Flue
827:Duct
161:HVAC
67:news
35:any
33:cite
1504:UMC
1489:IIR
1469:BRE
862:Fan
46:by
1606::
228:e
221:t
214:v
117:)
111:(
106:)
102:(
92:·
85:·
78:·
71:·
54:.
40:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
