[{"data":1,"prerenderedAt":521},["ShallowReactive",2],{"site-footer-common":3,"glossary:instrument-air-vs-plant-air":45,"glossary-related:instrument-air-vs-plant-air":210},{"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":52,"category":190,"description":191,"extension":192,"meta":193,"navigation":194,"path":195,"relatedTerms":196,"seo":200,"sources":203,"stem":207,"term":208,"__hash__":209},"glossary\u002Fglossary\u002Finstrument-air-vs-plant-air.md","Instrument air vs plant air",[49,50,51],"instrument air","plant air","utility air",{"type":53,"value":54,"toc":184},"minimark",[55,72,142,147,160,164],[56,57,58,62,63,65,66,71],"p",{},[59,60,61],"strong",{},"Instrument air"," and ",[59,64,50],{}," are the two grades of industrial ",[67,68,70],"a",{"href":69},"\u002Fglossary\u002Fcompressed-air","compressed air"," distributed in process plants:",[73,74,75,90],"table",{},[76,77,78],"thead",{},[79,80,81,85,87],"tr",{},[82,83,84],"th",{},"Attribute",[82,86,61],{},[82,88,89],{},"Plant air",[91,92,93,105,116,131],"tbody",{},[79,94,95,99,102],{},[96,97,98],"td",{},"Quality",[96,100,101],{},"Filtered, dried, oil-removed",[96,103,104],{},"Filtered only",[79,106,107,110,113],{},[96,108,109],{},"Pressure",[96,111,112],{},"Typically 6–7 bar",[96,114,115],{},"4–10 bar",[79,117,118,121,124],{},[96,119,120],{},"Use cases",[96,122,123],{},"Controls, pneumatic instruments, precision devices",[96,125,126,127],{},"Pneumatic tools, general utility, ",[67,128,130],{"href":129},"\u002Fglossary\u002Fsonic-horn","sonic horns",[79,132,133,136,139],{},[96,134,135],{},"Cost premium",[96,137,138],{},"20–30% over plant air",[96,140,141],{},"baseline",[143,144,146],"h2",{"id":145},"sonic-horn-supply","Sonic-horn supply",[56,148,149,150,154,155,159],{},"Industrial sonic horns can use either grade. Plant air is acceptable for most service; instrument air or dried plant air (see ",[67,151,153],{"href":152},"\u002Fglossary\u002Fcompressed-air-filtration-drying","air drying",") extends ",[67,156,158],{"href":157},"\u002Fglossary\u002Fdiaphragm-horn","diaphragm"," life by removing the water vapour that would otherwise condense inside the horn.",[143,161,163],{"id":162},"related-terms","Related terms",[165,166,167,173,178],"ul",{},[168,169,170],"li",{},[67,171,172],{"href":69},"Compressed air",[168,174,175],{},[67,176,177],{"href":152},"Compressed-air filtration and drying",[168,179,180],{},[67,181,183],{"href":182},"\u002Fglossary\u002Fair-receiver-surge-tank","Air receiver \u002F surge tank",{"title":185,"searchDepth":186,"depth":186,"links":187},"",2,[188,189],{"id":145,"depth":186,"text":146},{"id":162,"depth":186,"text":163},"controls-ancillaries","Instrument air and plant air are the two grades of industrial compressed air distributed in process plants:","md",{},true,"\u002Fglossary\u002Finstrument-air-vs-plant-air",[197,198,199],"compressed-air","compressed-air-filtration-drying","air-receiver-surge-tank",{"title":201,"description":202},"Instrument air vs plant air — the two grades of industrial compressed air","Instrument air is filtered and dried for precision and control devices. Plant air is general utility air; tolerant quality. Industrial sonic horns can use either, with caveats.",[204],{"title":205,"url":206},"Wikipedia — Compressed air","https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCompressed_air","glossary\u002Finstrument-air-vs-plant-air","Instrument air and plant air","0Jn1SkPvw35bglrRQPEOKePlctydh3AINH3ZSXCUGiA",[211,307,430],{"id":212,"title":172,"aliases":213,"body":215,"category":292,"description":293,"extension":192,"meta":294,"navigation":194,"path":69,"relatedTerms":295,"seo":299,"sources":302,"stem":304,"term":305,"__hash__":306},"glossary\u002Fglossary\u002Fcompressed-air.md",[50,49,214],"compressed-air supply",{"type":53,"value":216,"toc":287},[217,222,234,244,248,260,264,267,269],[56,218,219,221],{},[59,220,172],{}," at industrial plants is delivered by an on-site compressed-air system at typical pressures of 4–10 bar. Two grades exist:",[165,223,224,229],{},[168,225,226,228],{},[59,227,89],{}," — general utility air; tolerant quality",[168,230,231,233],{},[59,232,61],{}," — filtered and dried; for controls and precision devices",[56,235,236,240,241,243],{},[67,237,239],{"href":238},"\u002Fglossary\u002Fpneumatic-acoustic-cleaner","Pneumatic acoustic cleaners"," tolerate plant air for most service but specifying instrument air or dried plant air improves ",[67,242,158],{"href":157}," life.",[143,245,247],{"id":246},"consumption","Consumption",[56,249,250,251,254,255,259],{},"A typical industrial ",[67,252,253],{"href":129},"sonic horn"," consumes 8–14 Nm³\u002Fmin during a 5–15 second firing burst at 4–7 bar ",[67,256,258],{"href":257},"\u002Fglossary\u002Foperating-pressure","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.",[143,261,263],{"id":262},"air-receiver-and-regulation","Air receiver and regulation",[56,265,266],{},"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.",[143,268,163],{"id":162},[165,270,271,276,281],{},[168,272,273],{},[67,274,275],{"href":238},"Pneumatic acoustic cleaner",[168,277,278],{},[67,279,280],{"href":257},"Operating pressure",[168,282,283],{},[67,284,286],{"href":285},"\u002Fglossary\u002Fsolenoid-valve","Solenoid valve",{"title":185,"searchDepth":186,"depth":186,"links":288},[289,290,291],{"id":246,"depth":186,"text":247},{"id":262,"depth":186,"text":263},{"id":162,"depth":186,"text":163},"kpis-measurements","Compressed air at industrial plants is delivered by an on-site compressed-air system at typical pressures of 4–10 bar. Two grades exist:",{},[296,297,298],"pneumatic-acoustic-cleaner","operating-pressure","solenoid-valve",{"title":300,"description":301},"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.",[303],{"title":205,"url":206},"glossary\u002Fcompressed-air","Compressed air (industrial)","VK3MuZQNNI5xSm-qw2mupwMxEqfDJo8fJ7Y70fxO-UM",{"id":308,"title":177,"aliases":309,"body":313,"category":190,"description":418,"extension":192,"meta":419,"navigation":194,"path":152,"relatedTerms":420,"seo":423,"sources":426,"stem":428,"term":177,"__hash__":429},"glossary\u002Fglossary\u002Fcompressed-air-filtration-drying.md",[153,310,311,312],"desiccant dryer","refrigerant dryer","air filtration",{"type":53,"value":314,"toc":412},[315,326,330,376,380,383,387,395,397],[56,316,317,319,320,322,323,325],{},[59,318,177],{}," treats raw compressor discharge to remove particulate, oil mist and water vapour before the air reaches downstream consumers. For ",[67,321,130],{"href":129},", well-treated air extends ",[67,324,158],{"href":157}," life by preventing internal corrosion and abrasion that untreated air would otherwise cause.",[143,327,329],{"id":328},"treatment-chain","Treatment chain",[73,331,332,342],{},[76,333,334],{},[79,335,336,339],{},[82,337,338],{},"Stage",[82,340,341],{},"Function",[91,343,344,352,360,368],{},[79,345,346,349],{},[96,347,348],{},"Pre-filter",[96,350,351],{},"Bulk-particulate removal",[79,353,354,357],{},[96,355,356],{},"Coalescing filter",[96,358,359],{},"Oil-mist and water-droplet removal",[79,361,362,365],{},[96,363,364],{},"Dryer",[96,366,367],{},"Water-vapour removal — refrigerant (atmospheric dew point ~3 °C) or desiccant (atmospheric dew point −40 °C or lower)",[79,369,370,373],{},[96,371,372],{},"Final filter",[96,374,375],{},"Sub-micron particulate polish",[143,377,379],{"id":378},"why-dryness-matters","Why dryness matters",[56,381,382],{},"Untreated compressed air saturated with water vapour will condense inside the horn body when the pulse expands the gas and cools it (adiabatic cooling). Condensation accelerates diaphragm corrosion and shortens service life.",[143,384,386],{"id":385},"specification-practice","Specification practice",[56,388,389,390,394],{},"For routine industrial sonic-horn installations, refrigerated dried air is normally adequate. Severe-service installations (high-temperature horn, ",[67,391,393],{"href":392},"\u002Fglossary\u002Finconel-625-718","Inconel-grade"," construction) benefit from desiccant-dried air for the longest diaphragm life.",[143,396,163],{"id":162},[165,398,399,403,407],{},[168,400,401],{},[67,402,172],{"href":69},[168,404,405],{},[67,406,47],{"href":195},[168,408,409],{},[67,410,411],{"href":157},"Diaphragm horn",{"title":185,"searchDepth":186,"depth":186,"links":413},[414,415,416,417],{"id":328,"depth":186,"text":329},{"id":378,"depth":186,"text":379},{"id":385,"depth":186,"text":386},{"id":162,"depth":186,"text":163},"Compressed-air filtration and drying treats raw compressor discharge to remove particulate, oil mist and water vapour before the air reaches downstream consumers. For sonic horns, well-treated air extends diaphragm life by preventing internal corrosion and abrasion that untreated air would otherwise cause.",{},[197,421,422],"instrument-air-vs-plant-air","diaphragm-horn",{"title":424,"description":425},"Compressed-air filtration and drying — extending sonic-horn diaphragm life","Filtering particulate and drying moisture from compressed air extends sonic-horn diaphragm life by preventing internal corrosion and abrasion.",[427],{"title":205,"url":206},"glossary\u002Fcompressed-air-filtration-drying","gyQIZI79dTtJRdc2RWIHhJ0UzCnbwyPn3DJ6roD_5bU",{"id":431,"title":183,"aliases":432,"body":436,"category":190,"description":509,"extension":192,"meta":510,"navigation":194,"path":182,"relatedTerms":511,"seo":513,"sources":516,"stem":518,"term":519,"__hash__":520},"glossary\u002Fglossary\u002Fair-receiver-surge-tank.md",[433,434,435],"air receiver","surge tank","air accumulator",{"type":53,"value":437,"toc":504},[438,454,458,469,472,476,487,489],[56,439,440,441,443,444,447,448,450,451,453],{},"An ",[59,442,433],{}," (also ",[445,446,434],"em",{},", ",[445,449,435],{},") is a pressure vessel installed between the ",[67,452,197],{"href":69}," compressor and the air-consuming equipment. The receiver stores compressed air at supply pressure, absorbing the instantaneous demand of pulsed equipment without requiring the compressor itself to track the pulse.",[143,455,457],{"id":456},"why-it-matters-for-sonic-horn-installations","Why it matters for sonic-horn installations",[56,459,460,463,464,468],{},[67,461,462],{"href":129},"Sonic horns"," draw their full rated flow only during the brief firing pulse — typically 5–15 seconds out of every 3–15 minutes. Without an adequately-sized receiver, the supply pressure at the horn would sag during the pulse, reducing ",[67,465,467],{"href":466},"\u002Fglossary\u002Fsound-pressure-level","SPL"," by several dB and degrading cleaning effectiveness.",[56,470,471],{},"Sizing rule of thumb: the receiver volume should be at least 10× the horn's pulse-volume consumption, with larger margins on multi-horn arrays where simultaneous firing is possible.",[143,473,475],{"id":474},"common-installation-issues","Common installation issues",[165,477,478,481,484],{},[168,479,480],{},"Under-sized receiver — horn pressure drops during pulse, SPL falls",[168,482,483],{},"Receiver located too far from horns — pressure drop in piping defeats the buffer",[168,485,486],{},"Shared receiver for sonic horns and other pulse equipment without sufficient margin",[143,488,163],{"id":162},[165,490,491,495,500],{},[168,492,493],{},[67,494,172],{"href":69},[168,496,497],{},[67,498,499],{"href":129},"Sonic horn",[168,501,502],{},[67,503,286],{"href":285},{"title":185,"searchDepth":186,"depth":186,"links":505},[506,507,508],{"id":456,"depth":186,"text":457},{"id":474,"depth":186,"text":475},{"id":162,"depth":186,"text":163},"An air receiver (also surge tank, air accumulator) is a pressure vessel installed between the compressed-air compressor and the air-consuming equipment. The receiver stores compressed air at supply pressure, absorbing the instantaneous demand of pulsed equipment without requiring the compressor itself to track the pulse.",{},[197,512,298],"sonic-horn",{"title":514,"description":515},"Air receiver and surge tank — pressure-stabilising buffer for sonic-horn pulse demand","An air receiver buffers the pulse demand of sonic horns from the upstream compressor. Correct sizing prevents SPL drop-off during multi-horn firing cycles.",[517],{"title":205,"url":206},"glossary\u002Fair-receiver-surge-tank","Air receiver and surge tank","-Nil5gd__8QNE3zxpKAUm1-eMhDFu56n1ScnYvW8VAA",1782613729697]