[{"data":1,"prerenderedAt":439},["ShallowReactive",2],{"site-footer-common":3,"glossary:operating-pressure":45,"glossary-related:operating-pressure":148},{"id":4,"extension":5,"footer":6,"meta":40,"navbar":41,"stem":43,"__hash__":44},"common\u002Fcommon.yml","yml",{"tagline":7,"links":8,"sections":9},"Acoustic cleaning intelligence for industrial fouling, soot, ash, dust and build-up.",[],[10,19,31],{"title":11,"links":12},"Product",[13,16],{"label":14,"to":15},"How it works","\u002F#product",{"label":17,"to":18},"Cost assessment","\u002F#hero",{"title":20,"links":21},"Company",[22,25,28],{"label":23,"to":24},"What we build","\u002F#about",{"label":26,"to":27},"Careers","\u002F#careers",{"label":29,"to":30},"Contact","\u002F#contact",{"title":32,"links":33},"Resources",[34,37],{"label":35,"to":36},"Blog","\u002Fresources\u002Fblog",{"label":38,"to":39},"Glossary","\u002Fglossary",{},{"links":42},[],"common","YocmZRy1AYfBbpgGVms-zhdiABlF8VTxHx6h4rDmZBA",{"id":46,"title":47,"aliases":48,"body":51,"category":130,"description":131,"extension":132,"meta":133,"navigation":134,"path":135,"relatedTerms":136,"seo":139,"sources":142,"stem":146,"term":47,"__hash__":147},"glossary\u002Fglossary\u002Foperating-pressure.md","Operating pressure",[49,50],"supply pressure","operating pressure bar psi",{"type":52,"value":53,"toc":123},"minimark",[54,72,77,85,88,92,105,109],[55,56,57,60,61,66,67,71],"p",{},[58,59,47],"strong",{}," for industrial ",[62,63,65],"a",{"href":64},"\u002Fglossary\u002Fsonic-horn","sonic horns"," is the compressed-air supply pressure at which the horn delivers its rated ",[62,68,70],{"href":69},"\u002Fglossary\u002Fsound-pressure-level","SPL",". Typical operating pressure is 4–7 bar (60–100 psi), with vendor-specific upper limits.",[73,74,76],"h2",{"id":75},"spl-vs-operating-pressure","SPL vs operating pressure",[55,78,79,80,84],{},"Sonic horns are typically rated at a specified design pressure. Operating below that pressure causes SPL to fall sharply — sometimes by 6–10 dB for a 1 bar pressure drop — because the ",[62,81,83],{"href":82},"\u002Fglossary\u002Fdiaphragm-horn","diaphragm"," cannot achieve full oscillation amplitude.",[55,86,87],{},"Operating above the design pressure provides little SPL gain and shortens diaphragm life.",[73,89,91],{"id":90},"engineering-implications","Engineering implications",[93,94,95,99,102],"ul",{},[96,97,98],"li",{},"Specify operating pressure at the horn inlet, not at the compressor outlet — pressure drop in piping can be significant",[96,100,101],{},"Install a regulator and pressure gauge at the horn inlet for visible verification",[96,103,104],{},"Size piping and the air receiver for the simultaneous-firing case to maintain pressure during multi-horn cycles",[73,106,108],{"id":107},"related-terms","Related terms",[93,110,111,117],{},[96,112,113],{},[62,114,116],{"href":115},"\u002Fglossary\u002Fcompressed-air","Compressed air",[96,118,119],{},[62,120,122],{"href":121},"\u002Fglossary\u002Fpneumatic-acoustic-cleaner","Pneumatic acoustic cleaner",{"title":124,"searchDepth":125,"depth":125,"links":126},"",2,[127,128,129],{"id":75,"depth":125,"text":76},{"id":90,"depth":125,"text":91},{"id":107,"depth":125,"text":108},"kpis-measurements","Operating pressure for industrial sonic horns is the compressed-air supply pressure at which the horn delivers its rated SPL. Typical operating pressure is 4–7 bar (60–100 psi), with vendor-specific upper limits.","md",{},true,"\u002Fglossary\u002Foperating-pressure",[137,138],"compressed-air","pneumatic-acoustic-cleaner",{"title":140,"description":141},"Operating pressure — compressed-air supply pressure for industrial sonic horns","Operating pressure for industrial sonic horns is typically 4–7 bar (60–100 psi). Higher pressure increases SPL within design limits; below design pressure SPL drops sharply.",[143],{"title":144,"url":145},"Wikipedia — Compressed air","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCompressed_air","glossary\u002Foperating-pressure","YRtl8sq-lIDyT9ayYvIODPP-wYM9aP_hSIy9Vs_t8JA",[149,243],{"id":150,"title":116,"aliases":151,"body":155,"category":130,"description":230,"extension":132,"meta":231,"navigation":134,"path":115,"relatedTerms":232,"seo":235,"sources":238,"stem":240,"term":241,"__hash__":242},"glossary\u002Fglossary\u002Fcompressed-air.md",[152,153,154],"plant air","instrument air","compressed-air supply",{"type":52,"value":156,"toc":225},[157,162,176,185,189,200,204,207,209],[55,158,159,161],{},[58,160,116],{}," at industrial plants is delivered by an on-site compressed-air system at typical pressures of 4–10 bar. Two grades exist:",[93,163,164,170],{},[96,165,166,169],{},[58,167,168],{},"Plant air"," — general utility air; tolerant quality",[96,171,172,175],{},[58,173,174],{},"Instrument air"," — filtered and dried; for controls and precision devices",[55,177,178,181,182,184],{},[62,179,180],{"href":121},"Pneumatic acoustic cleaners"," tolerate plant air for most service but specifying instrument air or dried plant air improves ",[62,183,83],{"href":82}," life.",[73,186,188],{"id":187},"consumption","Consumption",[55,190,191,192,195,196,199],{},"A typical industrial ",[62,193,194],{"href":64},"sonic horn"," consumes 8–14 Nm³\u002Fmin during a 5–15 second firing burst at 4–7 bar ",[62,197,198],{"href":135},"operating pressure",". On a 5-minute firing cycle this averages 0.3–1.0 Nm³\u002Fmin continuous draw per horn. Multi-horn arrays must be sized against the simultaneous-firing case.",[73,201,203],{"id":202},"air-receiver-and-regulation","Air receiver and regulation",[55,205,206],{},"A correctly-sized air receiver buffers the horn's pulse demand from the compressor. Under-sized receivers cause SPL drop-off during multi-horn firing — a common engineering error on initial installations.",[73,208,108],{"id":107},[93,210,211,215,219],{},[96,212,213],{},[62,214,122],{"href":121},[96,216,217],{},[62,218,47],{"href":135},[96,220,221],{},[62,222,224],{"href":223},"\u002Fglossary\u002Fsolenoid-valve","Solenoid valve",{"title":124,"searchDepth":125,"depth":125,"links":226},[227,228,229],{"id":187,"depth":125,"text":188},{"id":202,"depth":125,"text":203},{"id":107,"depth":125,"text":108},"Compressed air at industrial plants is delivered by an on-site compressed-air system at typical pressures of 4–10 bar. Two grades exist:",{},[138,233,234],"operating-pressure","solenoid-valve",{"title":236,"description":237},"Compressed air — utility supply that drives industrial sonic horns","Compressed air at 4–7 bar from plant or instrument-air systems drives industrial sonic horns. Consumption typically 8–14 Nm³\u002Fmin during a firing burst.",[239],{"title":144,"url":145},"glossary\u002Fcompressed-air","Compressed air (industrial)","VK3MuZQNNI5xSm-qw2mupwMxEqfDJo8fJ7Y70fxO-UM",{"id":244,"title":122,"aliases":245,"body":248,"category":423,"description":424,"extension":132,"meta":425,"navigation":134,"path":121,"relatedTerms":426,"seo":430,"sources":433,"stem":437,"term":122,"__hash__":438},"glossary\u002Fglossary\u002Fpneumatic-acoustic-cleaner.md",[246,247],"pneumatically driven acoustic cleaner","compressed-air sonic horn",{"type":52,"value":249,"toc":417},[250,265,269,272,319,323,375,379,389,391],[55,251,252,253,256,257,259,260,264],{},"A ",[58,254,255],{},"pneumatic acoustic cleaner"," is an industrial ",[62,258,194],{"href":64}," driven by compressed plant air rather than by an electrical, hydraulic or steam source. The pneumatic design dominates the industrial acoustic-cleaning market because it places no electrical parts inside the gas path, tolerates dirty utility air, and matches naturally to the ",[62,261,263],{"href":262},"\u002Fglossary\u002Fatex-directive","ATEX"," Zone 20\u002F21\u002F22 dust environments where most cleaning targets sit.",[73,266,268],{"id":267},"why-pneumatic-not-electric","Why pneumatic, not electric",[55,270,271],{},"Industrial cleaning duty is dominated by three constraints that favour compressed air:",[273,274,275,303,309],"ol",{},[96,276,277,280,281,285,286,285,290,285,294,285,298,302],{},[58,278,279],{},"Hazardous-area classification."," Most cleaning targets — ",[62,282,284],{"href":283},"\u002Fglossary\u002Fbunker-coal-bunker","coal bunkers",", ",[62,287,289],{"href":288},"\u002Fglossary\u002Ffly-ash-hopper","fly-ash hoppers",[62,291,293],{"href":292},"\u002Fglossary\u002Fsilo","biomass silos",[62,295,297],{"href":296},"\u002Fglossary\u002Fpreheater-cyclone","cement preheater cyclones",[62,299,301],{"href":300},"\u002Fglossary\u002Frecovery-boiler","recovery boilers"," — are classified for combustible dust. A pneumatic driver removes electrical ignition risk entirely from the horn body.",[96,304,305,308],{},[58,306,307],{},"Utility availability."," Every industrial site already runs an instrument-air or plant-air network sized for sootblowers, pneumatic vibrators, control valves and tools. Adding sonic horns rarely requires a new utility.",[96,310,311,314,315,318],{},[58,312,313],{},"Tolerance."," Compressed industrial air contains water, oil mist and particulate; a metal ",[62,316,317],{"href":82},"diaphragm horn"," tolerates this far better than any electromechanical sound source of comparable output.",[73,320,322],{"id":321},"typical-utility-requirements","Typical utility requirements",[324,325,326,339],"table",{},[327,328,329],"thead",{},[330,331,332,336],"tr",{},[333,334,335],"th",{},"Specification",[333,337,338],{},"Typical value",[340,341,342,351,359,367],"tbody",{},[330,343,344,348],{},[345,346,347],"td",{},"Supply pressure",[345,349,350],{},"4–7 bar (60–100 psi)",[330,352,353,356],{},[345,354,355],{},"Consumption per horn (10-second burst)",[345,357,358],{},"8–14 Nm³\u002Fmin",[330,360,361,364],{},[345,362,363],{},"Air quality",[345,365,366],{},"Dried instrument air preferred; plant air acceptable with adequate filtration",[330,368,369,372],{},[345,370,371],{},"Connection",[345,373,374],{},"DN25–DN50 thread or flange",[73,376,378],{"id":377},"what-pneumatic-implies-for-procurement","What \"pneumatic\" implies for procurement",[55,380,381,382,385,386,388],{},"Specifiers writing an RFQ for a pneumatic acoustic cleaner should also size the compressed-air receiver, the regulator and the pilot ",[62,383,384],{"href":223},"solenoid valves"," for the simultaneous-firing case. A common engineering error is to under-size the air receiver, leaving the horn unable to sustain its rated ",[62,387,70],{"href":69}," during multi-horn cycles.",[73,390,108],{"id":107},[93,392,393,398,404,408,412],{},[96,394,395],{},[62,396,397],{"href":64},"Sonic horn",[96,399,400],{},[62,401,403],{"href":402},"\u002Fglossary\u002Facoustic-cleaner","Acoustic cleaner",[96,405,406],{},[62,407,116],{"href":115},[96,409,410],{},[62,411,224],{"href":223},[96,413,414],{},[62,415,416],{"href":262},"ATEX directive",{"title":124,"searchDepth":125,"depth":125,"links":418},[419,420,421,422],{"id":267,"depth":125,"text":268},{"id":321,"depth":125,"text":322},{"id":377,"depth":125,"text":378},{"id":107,"depth":125,"text":108},"core-technology","A pneumatic acoustic cleaner is an industrial sonic horn driven by compressed plant air rather than by an electrical, hydraulic or steam source. The pneumatic design dominates the industrial acoustic-cleaning market because it places no electrical parts inside the gas path, tolerates dirty utility air, and matches naturally to the ATEX Zone 20\u002F21\u002F22 dust environments where most cleaning targets sit.",{},[427,428,137,234,429],"acoustic-cleaner","sonic-horn","cycle-controller-sequencer",{"title":431,"description":432},"Pneumatic acoustic cleaner — compressed-air sonic horn explained","A pneumatic acoustic cleaner is a sonic horn driven by compressed plant air. The pneumatic design dominates industrial acoustic cleaning because it has no electrical parts in the gas path.",[434],{"title":435,"url":436},"Power Magazine — The Theory and Application of Acoustic Cleaners","https:\u002F\u002Fwww.powermag.com\u002Fthe-theory-and-application-of-acoustic-cleaners\u002F","glossary\u002Fpneumatic-acoustic-cleaner","CmN6RQgE83lF1QmPn-rvEFRCZOGmpQqASpK3J82Tm18",1782613746472]