{"title":"VA Flow Meters (Rotameters)","description":"","products":[{"product_id":"dk32-rotameter-va-meter","title":"DK32 Rotameter (VA Meter)","description":"The DK32 is a \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003evariable area flow meter (VA meter)\u003c\/a\u003e, also known as a rotameter or purge meter, is ideal for measuring \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/\"\u003elow flow rates of liquids and gases\u003c\/a\u003e. This durable flow meter is particularly suitable for flow monitoring and dosing chemicals in the \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/\"\u003emunicipal water and wastewater industry\u003c\/a\u003e. Due to its robust all-metal design, the DK32, from \u003ca href=\"https:\/\/psctexas.com\/brand\/krohne\/\"\u003eKROHNE\u003c\/a\u003e, is also ideal for difficult process conditions with temperatures up to 392˚F (200˚C) or pressures up to 400 barg (5800 psig). Furthermore, it is available with a metering valve as standard to accurately set the flow value. \u003cul\u003e \u003cli style=\"text-align: left;\"\u003eunlike the \u003ca href=\"https:\/\/psctexas.com\/product\/dk34-va-meter-rotameter\/\"\u003eDK34\u003c\/a\u003e, the DK32 features top\/bottom valve in addition to rear process connection\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003enarrow, \u003ca href=\"https:\/\/psctexas.com\/product-tag\/compact-design\/\"\u003ecompact design\u003c\/a\u003e enabling a high packing density\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003eeasy installation and commissioning\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003ehigh resistance to pressure and temperature\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003esturdy metal design: stainless steel or alloy\u003c\/li\u003e \u003c\/ul\u003e The DK32 rotameter can operate without auxiliary power supply. Furthermore, it features a local indication with optional minimum\/maximum limit switches (\u003ca href=\"https:\/\/www.namur.net\/en\" target=\"_blank\" rel=\"nofollow noopener\"\u003eNAMUR\u003c\/a\u003e), a reed contact, or analog output (4-20 mA or \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hart\/\"\u003eHART\u003c\/a\u003e). To provide constant flow rates, in case of variable inlet or outlet pressures, this VA meter is also available with flow regulators. This rotameter comes with horizontal or vertical process connections for NPT or G thread, flange adapters, as well as many other connection options. The DK32 variable area meter has various approvals for \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003ehazardous areas\u003c\/a\u003e and is suitable for use in \u003ca href=\"https:\/\/www.ul.com\/services\/functional-safety\" target=\"_blank\" rel=\"nofollow noopener\"\u003eSafety Instrumented Systems (SIL applications)\u003c\/a\u003e. \u003ch3\u003eFeatures of the DK32 Rotameter*\u003c\/h3\u003e \u003cimg class=\"alignright wp-image-25923 size-full\" style=\"width: 300px;\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2018\/04\/KROHNE-DK32-Rotameter-Purge-VA-Meter-Waste-Water-Chemical-Dosing-PSC-Texas.jpg\" alt=\"KROHNE-DK32-Rotameter-Purge-VA-Meter-Waste-Water-Chemical-Dosing-PSC-Texas\" width=\"750\" height=\"328\"\u003e \u003cul\u003e \u003cli style=\"text-align: left;\"\u003esimple, low-cost installation: able to measure and display without auxiliary power supply\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003erotameter (purge meter) with 2 optional limit switches for flow monitoring\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003evarious stainless steel and alloy sensor materials\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003eoptional surface passivation with \u003ca href=\"https:\/\/www.silcotek.com\/coatings\/silconert\" target=\"_blank\" rel=\"nofollow noopener\"\u003eSilcoNert 2000\u003c\/a\u003e for trace-level analysis\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\"\u003eIP65\/66 ratings\u003c\/a\u003e\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003efull scale value for liquids: 0.4 to 40 GPH (1.6 to 150 l\/h)\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003efull scale value for gases: 0.6 to 170 SCFH (16 to 4,800 l\/h)\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003eturndown ratio 10:1\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003emaximum measuring error: ±4% (according to VDI\/VDE 3513-2) as well as ±3% of full scale\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003esuitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2) also in SIL 3 applications (type A device)\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003eapproved for hazardous areas\u003c\/li\u003e \u003c\/ul\u003e *Product features and options depend on device configuration. Contact us to make sure that your functionality requirements are available in a single device. \u003ch3\u003e\u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003eCommon Uses of a Rotameter\u003c\/a\u003e\u003c\/h3\u003e \u003cul\u003e \u003cli style=\"text-align: left;\"\u003edosing of chemical additives such as foam inhibitors, emulsifiers, flocculants, etc.\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003eheating as well as cooling water\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003esample flow monitoring\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003egas sparging in liquids\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003einjection skids\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003ecooling water\u003c\/li\u003e \u003cli style=\"text-align: left;\"\u003edry-run prevention of pumps\u003c\/li\u003e \u003c\/ul\u003e","brand":"KROHNE","offers":[{"title":"Default Title","offer_id":45878363816067,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/KROHNE-dk32-rotameter-variable-area-flow-meter-purge-meter-low-flow-liquid-dosing-process-solutions-corp_b499b9a8-cd5d-4a33-80c6-eeda963aa70a.png?v=1763385146"},{"product_id":"h250-m40-variable-area-flow-meter","title":"H250 M40, Variable Area Flow Meter","description":"The H250 M40 is the standard \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003evariable area flow meter (VA flow meter), or rotameter\u003c\/a\u003e, for \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/\"\u003eflow measurement\u003c\/a\u003e in \u003ca href=\"https:\/\/psctexas.com\/category\/industries\/utilities\/wastewater-water-treatment\/\"\u003emunicipal water and wastewater treatment applications\u003c\/a\u003e. This variable area flow meter combines mechanical flow measurement of liquids or gases with state-of-the-art communication capabilities. This flow device is modularly extendable, so additional electronic modules can be added or replaced at any time without process interruption. In this way, its functionality adapts to new requirements – from analog flow measurement without auxiliary power to digital integration into a fieldbus system. The H250 M40 is available in various materials and in many different versions. This sturdy all-metal flow meter can be also used in applications with high pressures (up to 1000 barg \/ 14500 psig), wide temperatures (-320 to 752˚F), or for aggressive media. It even allows installation in horizontal or fall pipes up to DN150 \/ 6\". A special version for use in hygienic applications is also available. The H250 M40 is intrinsically safe and explosion-proof. Certain variants of this rotameter with limit switch or analog output are also suitable for use in \u003ca href=\"https:\/\/www.iec.ch\/functional-safety\" target=\"_blank\" rel=\"nofollow noopener\"\u003eSafety Instrumented Systems (SIS)\u003c\/a\u003e. Electronic device diagnostics and additional application diagnostics are available to increase application reliability, for example, the detection of a float blockage due to impurities or pressure surges and in the reporting of pulsating flow or gas compression oscillations of the float. \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/04\/KROHNE-Variable-Area-Flow-Meter-h250-m40-VA-Meter-Rotameter-for-Wastewater-Process-Solutions-Texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-25410 size-medium\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/04\/KROHNE-Variable-Area-Flow-Meter-h250-m40-VA-Meter-Rotameter-for-Wastewater-Process-Solutions-Texas-300x283.jpg\" alt=\"KROHNE-Variable-Area-Flow-Meter-h250-m40-VA-Meter-Rotameter-for-Wastewater-Process-Solutions-Texas\" width=\"300\" height=\"283\"\u003e\u003c\/a\u003e \u003ch3 style=\"text-align: left;\"\u003eFeatures of the H250 M40 Variable Area Flow Meter*\u003c\/h3\u003e \u003cul\u003e \u003cli\u003esimple, low-cost installation: able to measure and also display without auxiliary power supply\u003c\/li\u003e \u003cli\u003eunique modularity and serviceability: limit switches, 2-wire 4-20mA, totalizer with LCD and pulse output, and also fieldbus interfaces\u003c\/li\u003e \u003cli\u003e\n\u003ca href=\"https:\/\/www.namur.net\/en\/publications\/news-archive\/ne-107-has-been-revised.html\" target=\"_blank\" rel=\"nofollow noopener\"\u003eNE 107\u003c\/a\u003e device and application diagnostics with CFM (Continuous Float Monitoring), for example, for float blockade detection\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003euniversal ex-concept: explosion proof in addition to intrinsically safe\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/psctexas.com\/wetted-materials-options-for-pressure-sensors\/\"\u003evarious stainless steel and alloy sensor materials\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003eoptional stainless steel housing for corrosive atmospheres\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\"\u003eingress protection IP66 and IP68, IP69K optional\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/psctexas.com\/what-is-a-nema-rating-for-industrial-instrumentation\/\"\u003eNEMA4X and NEMA6\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003efull scale value for liquids: 5 to 32,000 GPH\u003c\/li\u003e \u003cli\u003efull scale value for gases: 25 to 100,000 SCFH\u003c\/li\u003e \u003cli\u003eturndown ratio 10:1 (optional 100:1)\u003c\/li\u003e \u003cli\u003emaximum measuring error: ±1.6% (according to \u003ca href=\"https:\/\/www.google.com\/url?sa=t\u0026amp;source=web\u0026amp;rct=j\u0026amp;opi=89978449\u0026amp;url=https:\/\/www.vdi.de\/en\/home\/vdi-standards\/details\/vdivde-3513-blatt-2-variable-area-flowmeters-maximum-permissible-errors-g-of-the-system\u0026amp;ved=2ahUKEwioituhqeCFAxUJG9AFHXAFBxsQFnoECAQQAQ\u0026amp;usg=AOvVaw3Buf-9fXt1hh8wsO9PN_aQ\" target=\"_blank\" rel=\"nofollow noopener\"\u003eVDI\/VDE 3513-2\u003c\/a\u003e) or ±1.5% of full scale\u003c\/li\u003e \u003cli\u003esuitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2), and also in SIL 3 applications (type A device)\u003c\/li\u003e \u003cli\u003eoptional hygienic design for use with potable water\u003c\/li\u003e \u003c\/ul\u003e *Product features and options depend on device configuration. Contact us to make sure that your functionality requirements are available in a single device. \u003ch3 style=\"text-align: left;\"\u003eCommon \u003ca href=\"https:\/\/psctexas.com\/category\/industries\/utilities\/wastewater-water-treatment\/\"\u003eWater and Wastewater Applications\u003c\/a\u003e for \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003eVA Flow Meters \/ Rotameters\u003c\/a\u003e\n\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eoxygen sparging into aeration basins\u003c\/li\u003e \u003cli\u003eair injection to reduce iron content\u003c\/li\u003e \u003cli\u003ehygienic version for use with potable water\u003c\/li\u003e \u003c\/ul\u003e","brand":"KROHNE","offers":[{"title":"3\" DN080","offer_id":45878424338563,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"4\" DN100","offer_id":45878424371331,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"6\" DN150","offer_id":45878424404099,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"8\" DN200","offer_id":45878424436867,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true},{"title":"10\" DN250","offer_id":45878424469635,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/KROHNE-Variable-Area-Flow-Meter-h250-m40-VA-Meter-Rotameter-for-Wastewater-Process-Solutions-Corp.png?v=1763386439"},{"product_id":"dk34-va-meter-rotameter","title":"DK34 VA Meter (Rotameter)","description":"\u003cp\u003eThe DK34 is a variable area flow meter (VA meter), also known as a rotameter or purge meter, is ideal for measuring low flow rates of liquids and gases. This durable flow meter is particularly suitable for flow monitoring and dosing chemicals in the municipal water and wastewater industry. Due to its robust all-metal design, the DK34, from \u003ca href=\"https:\/\/www.psctexas.shop\/collections\/krohne\" title=\"KROHNE Municipal Flow and Level Instrumentation\"\u003eKROHNE\u003c\/a\u003e, is also ideal for difficult process conditions with temperatures up to 392˚F (200˚C) or pressures up to 400 barg (5800 psig). Furthermore, it is available with a metering valve as standard to accurately set the flow value.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003eunlike DK32, the DK34 does not offer a top\/bottom valve\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003enarrow, compact design enabling a high packing density\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eeasy installation and commissioning\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003ehigh resistance to pressure and temperature\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003esturdy metal design: stainless steel or alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe DK34 rotameter can operate without auxiliary power supply. Furthermore, it features a local indication with optional minimum\/maximum limit switches (\u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.namur.net\/en\" target=\"_blank\" title=\"NAMUR Association\"\u003eNAMUR\u003c\/a\u003e), a reed contact, or analog output (4-20 mA or HART). To provide constant flow rates, in case of variable inlet or outlet pressures, this VA meter is also available with flow regulators. This rotameter comes with horizontal or vertical process connections for NPT or G thread, flange adapters, as well as many other connection options. The DK34 variable area meter has various approvals for hazardous areas and is suitable for use in \u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.ul.com\/services\/functional-safety\" target=\"_blank\" title=\"SIL Functional Safety\"\u003eSafety Instrumented Systems (SIL applications)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch2\u003eFeatures of the DK34 VA Meter*\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003esimple, low-cost installation: able to measure and display without auxiliary power supply\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003erotameter (purge meter) with 2 optional limit switches for flow monitoring\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003evarious stainless steel as well as alloy sensor materials\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eoptional surface passivation with \u003ca rel=\"nofollow noopener\" href=\"https:\/\/www.silcotek.com\/coatings\/silconert\" target=\"_blank\" title=\"SilcoTek\"\u003eSilcoNert 2000\u003c\/a\u003e for trace-level analysis\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eIP65\/66 ratings\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003efull scale value for liquids: 0.4 to 40 GPH (1.6 to 150 l\/h)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003efull scale value for gases: 0.6 to 170 SCFH (16 to 4,800 l\/h)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eturndown ratio 10:1\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003emaximum measuring error: ±4% (according to VDI\/VDE 3513-2) or ±3% of full scale\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003esuitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2) also in SIL 3 applications (type A device)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eapproved for hazardous areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Product features and options depend on device configuration. Contact us to make sure that your functionality requirements are available in a single device.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eCommon Uses of a VA Meter\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003edosing of chemical additives such as foam inhibitors, emulsifiers, flocculants, etc.\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eheating as well as cooling water\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003esample flow monitoring\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003egas sparging in liquids\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003einjection skids\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003ecooling water\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003edry-run prevention of pumps\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KROHNE","offers":[{"title":"Default Title","offer_id":45878424797315,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/KROHNE-dk32-rotameter-variable-area-flow-meter-purge-meter-low-flow-liquid-dosing-process-solutions-corp_7620f174-b32d-4704-9971-f5de8ada6880.png?v=1763386447"},{"product_id":"dk37-m8-rota-flow-meter-va-meter","title":"DK37 M8, Rota Flow Meter (VA Meter)","description":"\u003cp\u003eThe DK37 M8 is a \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003evariable area flow meter (VA meter)\u003c\/a\u003e with electrical signal output and bargraph indication or mechanical indicator with two optional limit switches. Also known as a rotameter or rota flow meter, this versatile, all-metal \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/\"\u003eflow measurement device\u003c\/a\u003e is suitable for low flow measurement of gases or liquids in \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/\"\u003emunicipal water and wastewater applications\u003c\/a\u003e. Due to its sturdy yet \u003ca href=\"https:\/\/psctexas.com\/product-tag\/compact-design\/\"\u003ecompact design\u003c\/a\u003e, this VA meter can be used at temperatures up to 392˚F (200˚C) or pressures up to 220 barg (3190 psig). Furthermore, the DK37 rota flow meter, from \u003ca href=\"https:\/\/psctexas.com\/brand\/krohne\/\"\u003eKROHNE\u003c\/a\u003e, features a needle valve to accurately set the flow value.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003evertical or horizontal process connections for NPT or G thread, flange adapters, and more\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003enarrow design enabling a high packing density\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eeasy installation and commissioning\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003ehigh resistance to pressure as well as temperature\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003emechanical or with electronic indicator (4-20 mA \/ \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hart\/\"\u003eHART\u003c\/a\u003e)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003esturdy metal design: stainless steel or alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe DK37 M8 comes with vertical or horizontal process connections for NPT or G thread, flange adapters, as well as many other connection options. To provide constant flow rates in case of variable inlet or outlet pressures, this rota flow meter is also available with flow regulators. Moreover, it offers approvals for \u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003ehazardous areas\u003c\/a\u003e and is suitable for use in \u003ca href=\"https:\/\/www.ul.com\/services\/functional-safety\" rel=\"nofollow noopener\" target=\"_blank\"\u003eSafety Instrumented Systems (SIL)\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eFeatures of the DK37 M8 \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003eRotameter\u003c\/a\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/06\/KROHNE-dk37-m8-rotameter-va-meter-rota-flow-meter-water-wastewater-treatment-psc-texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-25928 size-full\" style=\"width: 400px;\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/06\/KROHNE-dk37-m8-rotameter-va-meter-rota-flow-meter-water-wastewater-treatment-psc-texas.jpg\" alt=\"KROHNE-dk37-m8-rotameter-va-meter-rota-flow-meter-water-wastewater-treatment-psc-texas\" width=\"750\" height=\"483\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003esimple, low-cost installation: able to measure and display without auxiliary power supply\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003erota flow meter with 2 optional limit switches or 4-20 mA \/ HART for flow monitoring\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003evarious stainless steel and alloy sensor materials\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eoptional surface passivation with \u003ca href=\"https:\/\/www.silcotek.com\/coatings\/silconert\" rel=\"nofollow noopener\" target=\"_blank\"\u003eSilcoNert 2000\u003c\/a\u003e for trace-level analysis\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003ePPS housing as standard, stainless steel housing as option\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/psctexas.com\/ip-rating-for-industrial-instrumentation\/\"\u003eIP66\/67 ratings\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003efull scale value for liquids: 0.4 to 67 GPH (1.6 to 250 l\/h)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003efull scale value for gases: 0.6 to 300 SCFH (16 to 8,000 l\/h)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eturndown ratio 10:1\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003emaximum measuring error: ±2.5% (according to VDI\/VDE 3513-2) as well as ±2% of full scale\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003esuitable for use in Safety Instrumented Systems with SIL 2, in redundant design (1oo2) also in SIL 3 applications (type A device)\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eapproval for use in hazardous areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Product features and options depend on device configuration. Contact us to make sure that your functionality requirements are available in a single device.\u003c\/p\u003e\n\u003ch3\u003e\u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003eCommon Uses of the DK37 Rota Flow Meter\u003c\/a\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"text-align: left;\"\u003echemical dosing in municipal water and wastewater applications such as flocculants, disinfectants, etc.\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003eheating water, also cooling water\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003esample flow monitoring\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003egas sparging in liquids\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003echemical injection skids\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003edry-run prevention of pumps\u003c\/li\u003e\n\u003cli style=\"text-align: left;\"\u003edosing of liquids as well as gases\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KROHNE","offers":[{"title":"Default Title","offer_id":45878424830083,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/KROHNE-dk37-steel-VA-meter-rotameter-for-wastewater-water-treatment-process-solutions-corp-texas.png?v=1763386448"},{"product_id":"va40-variable-area-flow-meter","title":"VA40 Variable Area Flow Meter","description":"The VA40 is a glass tube \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/variable-area\/\"\u003evariable area flow meter (VA meter), or rotameter\u003c\/a\u003e, for \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/flow-wastewater\/\"\u003eflow measurement of liquids and gases\u003c\/a\u003e. This all-purpose flow meter is suitable for \u003ca href=\"https:\/\/psctexas.com\/product-category\/water-treatment\/\"\u003eall basic municipal water and wastewater applications\u003c\/a\u003e up to 212˚F (100˚C) as well as a maximum of 10 bar (145 psi). Typical applications include flow measurement of flushing, purging, or inert gases in addition to heating and cooling water. \u003cul style=\"text-align: left;\"\u003e \u003cli\u003esimple flow indicator that does not require a power supply\u003c\/li\u003e \u003cli\u003eallows visual product check such as color, free from bubbles, etc.\u003c\/li\u003e \u003cli\u003esuitable for use with either liquids and gases\u003c\/li\u003e \u003cli\u003eanalog measuring signal for recording and control purposes\u003c\/li\u003e \u003cli\u003eflange options: DN15 to DN50 (0.5 to 2\")\u003c\/li\u003e \u003cli\u003eNPT, G, hygienic connections, etc.\u003c\/li\u003e \u003c\/ul\u003e The VA40 variable area flow meter, from \u003ca href=\"https:\/\/psctexas.com\/brand\/krohne\/\"\u003eKROHNE\u003c\/a\u003e, operates without auxiliary power supply. Furthermore, the measuring cone, protected by a metal sleeve with a viewing glass, makes it easy to directly read the flow and observe the medium. Moreover, this VA meter can also be equipped with two optional limit switches (MIN\/MAX) or analog output (4-20 mA). The VA40 comes with multiple process connections options and is suitable for use in hazardous areas. \u003ch3\u003eFeatures of the VA40 Variable Area Flow Meter\u003c\/h3\u003e \u003ca href=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/06\/KROHNE-va40-variable-area-flow-meter-rotameter-water-treatment-wastewater-flow-sensor-psc-texas.jpg\"\u003e\u003cimg class=\"alignright wp-image-25978 size-full\" style=\"width: 400px;\" src=\"https:\/\/psctexas.com\/wp-content\/uploads\/2024\/06\/KROHNE-va40-variable-area-flow-meter-rotameter-water-treatment-wastewater-flow-sensor-psc-texas.jpg\" alt=\"KROHNE-va40-variable-area-flow-meter-rotameter-water-treatment-wastewater-flow-sensor-psc-texas\" width=\"1000\" height=\"410\"\u003e\u003c\/a\u003e \u003cul style=\"text-align: left;\"\u003e \u003cli\u003esimple and also low-cost flow measuring principle without auxiliary power\u003c\/li\u003e \u003cli\u003efor direct reading of flow and observation of the medium\u003c\/li\u003e \u003cli\u003eoptional MIN\/MAX flow switches (SIL 2 conformity according to \u003ca href=\"https:\/\/webstore.iec.ch\/publication\/5516\" target=\"_blank\" rel=\"nofollow noopener\"\u003eIEC 61508-2\u003c\/a\u003e) as well as 4-20 mA for recording and control\u003c\/li\u003e \u003cli\u003efull scale value for liquids:  0.1 to 2,650 GPH (0.4 to 10,000 l\/h)\u003c\/li\u003e \u003cli\u003efull scale value for gases: 0.25 to 11,000 SCFH (7 to 310,000 l\/h)\u003c\/li\u003e \u003cli\u003emaximum measuring error: ±1% (according to VDI\/VDE 3513-2) or ±1% of full scale\u003c\/li\u003e \u003cli\u003eturndown ratio 10:1\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/psctexas.com\/product-tag\/hazloc-rated\/\"\u003eATEX approval for use in hazardous areas\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003esuitable for use in \u003ca href=\"https:\/\/www.ul.com\/services\/functional-safety\" target=\"_blank\" rel=\"nofollow noopener\"\u003eSafety Instrumented Systems with SIL 2\u003c\/a\u003e, in redundant design (1oo2), also in SIL 3 applications (type A device)\u003c\/li\u003e \u003cli\u003eavailable with FDA compliant materials for potable and drinking water\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses of the VA40 VA Meter\u003c\/h3\u003e \u003cul style=\"text-align: left;\"\u003e \u003cli\u003eheating water in addition to cooling water\u003c\/li\u003e \u003cli\u003egas flow measurement\u003c\/li\u003e \u003cli\u003edemineralized as well as ultra-pure water\u003c\/li\u003e \u003cli\u003ewater monitoring in auxiliary circuits\u003c\/li\u003e \u003cli\u003epurge and rinse processes\u003c\/li\u003e \u003c\/ul\u003e","brand":"KROHNE","offers":[{"title":"Default Title","offer_id":45878424928387,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0655\/1955\/0595\/files\/KROHNE-va40-va-meter-rotameter-municipal-water-wastewater-flow-measurement-process-solutions-corp-texas.png?v=1763386451"}],"url":"https:\/\/www.psctexas.shop\/collections\/va-flow-meters-rotameters.oembed","provider":"Process Solutions Corp.","version":"1.0","type":"link"}