{"product_id":"topworx-original-limit-switch-txp-dxp-series-txp-m21gnpm4a1-wtih-stocks-available","title":"Topworx TXP-M21GNPM4A1 Explosion-Proof Valve Position Transmitter Limit Switch","description":"\u003ch2 data-path-to-node=\"1\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cspan\u003eThe Topworx TXP-M21GNPM4A1 Valve Position Transmitter is a heavy-duty,\u003c\/span\u003e\u003cspan\u003e explosion-proof discrete valve monitor manufactured by Emerson under the Topworx TXP series product line.\u003c\/span\u003e\u003cspan\u003e Engineered specifically for quarter-turn rotary pneumatic actuators and industrial valves,\u003c\/span\u003e\u003cspan\u003e this compact switch box delivers reliable electrical position feedback and local visual indication directly to plant operators and distributed control systems.\u003c\/span\u003e\u003cspan\u003e It is constructed to operate reliably in harsh,\u003c\/span\u003e\u003cspan\u003e hazardous plant environments subject to explosive gases,\u003c\/span\u003e\u003cspan\u003e combustible dusts,\u003c\/span\u003e\u003cspan\u003e and severe weather exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cspan\u003eBuilt with an ultra-compact,\u003c\/span\u003e\u003cspan\u003e epoxy-coated aluminium housing,\u003c\/span\u003e\u003cspan\u003e the TXP-M21GNPM4A1 incorporates two SPDT mechanical microswitches with fine-resolution visual position indication.\u003c\/span\u003e\u003cspan\u003e Its internal mechanical design features cam-operated switch triggers that allow rapid,\u003c\/span\u003e\u003cspan\u003e precise field calibration without the need for specialized tools.\u003c\/span\u003e\u003cspan\u003e Standardized with a NAMUR VDI\/VDE 3845 drive shaft and mounting pattern,\u003c\/span\u003e\u003cspan\u003e the unit integrates smoothly onto automated ball valves,\u003c\/span\u003e\u003cspan\u003e butterfly valves,\u003c\/span\u003e\u003cspan\u003e and plug valves across offshore platforms,\u003c\/span\u003e\u003cspan\u003e chemical processing plants,\u003c\/span\u003e\u003cspan\u003e oil refineries,\u003c\/span\u003e\u003cspan\u003e and industrial flow systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"5\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,1,0,0\"\u003eProduct Name\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,1,1,0\"\u003eDiscrete Valve Position Monitor \/ Limit Switch Box\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,2,0,0\"\u003eManufacturer \/ Brand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,2,1,0\"\u003eTopworx \/ Emerson\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,3,0,0\"\u003eModel Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,3,1,0\"\u003eTXP-M21GNPM4A1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,4,0,0\"\u003eProduct Series\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,4,1,0\"\u003eTopworx TXP Series\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,5,0,0\"\u003eHousing Enclosure Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,5,1,0\"\u003eCast Aluminium with Industrial Epoxy Coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,6,0,0\"\u003eSwitch Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,6,1,0\"\u003e2 × SPDT Mechanical Microswitches\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,7,0,0\"\u003eElectrical Contact Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,7,1,0\"\u003e15A at 125\/250 VAC, 0.5A at 125 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,8,0,0\"\u003eVisual Indicator\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,8,1,0\"\u003eHigh-Visibility Red \/ Green Rotary Beacon Indicator\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,9,0,0\"\u003eShaft \/ Drive Standard\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,9,1,0\"\u003eNAMUR VDI\/VDE 3845 (Direct Drive)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,10,0,0\"\u003eDrive Shaft Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,10,1,0\"\u003eStainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,11,0,0\"\u003eConduit \/ Cable Entries\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,11,1,0\"\u003e2 × 1\/2 Inch NPT Conduit Entries\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,12,0,0\"\u003eIngress Protection Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,12,1,0\"\u003eIP66 \/ IP67 \/ NEMA 4, 4X\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,13,0,0\"\u003eHazardous Location Approvals\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,13,1,0\"\u003eATEX \/ IECEx \/ UL \/ CSA (Flameproof \/ Explosion-Proof)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,14,0,0\"\u003eOperating Temperature Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,14,1,0\"\u003e-40°C to +80°C (-40°F to +176°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,15,0,0\"\u003eMounting Bracket Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,15,1,0\"\u003eStandard NAMUR Mounting Pattern Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,16,0,0\"\u003eTarget Valve Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,16,1,0\"\u003eQuarter-Turn Rotary Valves and Actuators\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,17,0,0\"\u003eOperating Medium Compatibility\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,17,1,0\"\u003eOutdoor, Marine, Corrosive Industrial Atmospheres\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,18,0,0\"\u003eCondition\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,18,1,0\"\u003eNew\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,19,0,0\"\u003eWarranty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"5,19,1,0\"\u003e1 Year\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"6\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cspan\u003eExplosion-proof and flameproof aluminium enclosure rated for hazardous industrial locations\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003e\u003cspan\u003eDual SPDT mechanical microswitches providing independent open and close electrical signals\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003e\u003cspan\u003eHigh-visibility continuous red and green indicator beacon for rapid visual status verification\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"10\"\u003e\u003cspan\u003eQuick-set color-coded cams allowing fast,\u003c\/span\u003e\u003cspan\u003e accurate field position calibration\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cspan\u003eRobust epoxy-coated cast aluminium body delivering high resistance to marine corrosion\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"12\"\u003e\u003cspan\u003eDouble conduit entries providing convenient wiring access and clean terminal routing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"13\"\u003e\u003cspan\u003eStainless steel drive shaft built to standard NAMUR dimensions for direct actuator coupling\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cspan\u003eWeatherproof IP66 and IP67 ingress protection safeguarding internal components from moisture\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003e\u003cspan\u003eProven mechanical durability ensuring long cycle life under severe vibration and temperature cycling\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"16\"\u003eTypical Applications\u003c\/h2\u003e\n\u003cp data-path-to-node=\"17\"\u003e\u003cspan\u003eQuarter-turn automated ball,\u003c\/span\u003e\u003cspan\u003e butterfly,\u003c\/span\u003e\u003cspan\u003e and plug valve position monitoring\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"18\"\u003e\u003cspan\u003ePneumatic rotary actuator position feedback in distributed control systems (DCS)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"19\"\u003e\u003cspan\u003eOil and gas upstream offshore platforms,\u003c\/span\u003e\u003cspan\u003e FPSO vessels,\u003c\/span\u003e\u003cspan\u003e and refinery manifolds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"20\"\u003e\u003cspan\u003eChemical and petrochemical processing line automated safety loops\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cspan\u003ePower generation steam distribution,\u003c\/span\u003e\u003cspan\u003e gas turbine lines,\u003c\/span\u003e\u003cspan\u003e and boiler feed valves\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"22\"\u003e\u003cspan\u003eWater and wastewater treatment automated flow regulation skids\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"23\"\u003e\u003cspan\u003eIndustrial process automation and emergency shutdown (ESD) valve assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"24\"\u003eShipping \u0026amp; Support\u003c\/h2\u003e\n\u003cp data-path-to-node=\"25\"\u003e\u003cspan\u003eFast dispatch:\u003c\/span\u003e\u003cspan\u003e Australia \u0026amp; Worldwide Shipping\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"26\"\u003e\u003cspan\u003eTechnical assistance available\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"27\"\u003e\u003cspan\u003e1-year warranty\u003c\/span\u003e\u003c\/p\u003e","brand":"TSA Hydraulics","offers":[{"title":"Default Title","offer_id":50843730903233,"sku":"1601732955898","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0852\/7767\/1617\/files\/Hd81ad89148b042f3989a5460a3b606abq.webp?v=1793143851","url":"https:\/\/tsahydraulics.com\/products\/topworx-original-limit-switch-txp-dxp-series-txp-m21gnpm4a1-wtih-stocks-available","provider":"TSA Hydraulic Engineering","version":"1.0","type":"link"}