{"product_id":"universal-silencer-81-1234-air-filter-restriction-gauge","title":"Universal Silencer 81-1234 Air Filter Restriction Gauge","description":"\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe Universal Silencer 81-1234 Air Filter Restriction Gauge is used in industrial air filtration systems to monitor filter element restriction and indicate when service or replacement is required. Commonly installed in blower inlet filters, compressor intake systems, filter silencers, and industrial air handling equipment requiring continuous monitoring of filter condition. Maintenance teams, OEMs, and system integrators use this gauge for replacement, retrofit, and new installations to reduce maintenance costs, improve energy efficiency, and ensure reliable airflow performance. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe Universal Silencer 81-1234 Air Filter Restriction Gauge is used to measure pressure drop across air filter elements and provide a visual indication of filter loading. It is commonly found on Universal Silencer CBF, CBFI, CCF, CF, CCS, CS, FH, FSH, FRH, FCRH, FASH, FMH, ILF, ILFS, RF, RFY, RFS, and RFSY filter housings used on blowers, compressors, and industrial air intake systems. The gauge retains the highest restriction reading even after shutdown and can be manually reset after filter replacement.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Manufacturer: Universal Silencer \/ Dürr Universal\u003cbr\u003e• Part Number: 81-1234\u003cbr\u003e• Product Type: Air Filter Restriction Gauge\u003cbr\u003e• Function: Monitors filter pressure drop and indicates remaining filter life\u003cbr\u003e• Measurement Range: 0 to 20 in H₂O (Water Column)\u003cbr\u003e• Indicator Type: Mechanical Visual Indicator\u003cbr\u003e• Reset Method: Manual Push Button Reset\u003cbr\u003e• Connection Size: 1\/8 in Male NPT\u003cbr\u003e• Mounting Options: Direct Nozzle Mount or Weather-hood Mount\u003cbr\u003e• Compatible Systems: Blower Filters, Compressor Intake Filters, and Filter Silencers\u003cbr\u003e• Compatible Filter Series: CBF, CBFI, CCF, CF, CCS, CS, FH, FSH, FRH, FCRH, FASH, FMH, ILF, ILFS, RF, RFY, RFS, and RFSY\u003cbr\u003e• Application: Industrial Air Filtration Monitoring\u003cbr\u003e• Construction: Industrial-Grade Mechanical Gauge\u003cbr\u003e• Operating Principle: Retains Maximum Restriction Reading Until Reset\u003cbr\u003e• Features: Easy-to-Read Indicator, No External Power Required, Maintains Reading After Shutdown\u003cbr\u003e• Operating Environment: Industrial Manufacturing and Process Facilities\u003cbr\u003e• Status: Legacy Product Still Available Through Industrial Suppliers and Surplus Markets. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• Universal Silencer 81-1026 MAGNEHELIC Gauge\u003cbr\u003e• Dwyer MAGNEHELIC  Differential Pressure Gauge\u003cbr\u003e• Ashcroft Differential Pressure Filter Gauge\u003c\/p\u003e","brand":"Universal","offers":[{"title":"New","offer_id":51728713384238,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_03917981-8c54-4385-8a5f-2ea925806a7b.jpg?v=1770587407","url":"https:\/\/plgautomation.com\/products\/universal-silencer-81-1234-air-filter-restriction-gauge","provider":"PLG Automation ","version":"1.0","type":"link"}