{"product_id":"ha4ad-71-hansen-3-80mm-dual-pressure-regulator-range-a-a","title":"HA4AD\/71 - Hansen - 3 (80MM) Dual Pressure Regulator Range A\/A","description":"\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHansen HA4AD\/71\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3\" (80 mm) dual pressure regulator\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHA4A series\u003c\/strong\u003e, designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eammonia (NH₃)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand other industrial refrigerants. It features a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual pilot configuration (Range A\/A)\u003c\/strong\u003e, offering enhanced control, redundancy, and flexibility in demanding refrigeration applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e🔧\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: HA4AD\/71\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePort Size\u003c\/strong\u003e: 3\" (80 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Flanged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Range\u003c\/strong\u003e: Range A \/ A (typically for lower pressure applications)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: Ductile iron (ASTM A536)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston\u003c\/strong\u003e: Steel, disc type with Teflon® piston seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePilot Trim\u003c\/strong\u003e: Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe Working Pressure\u003c\/strong\u003e: 400 PSIG (27 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: –60°F to +240°F (–50°C to +115°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: ~89 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e🌟\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Pilot Design\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eAllows for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eredundant control\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual setpoints\u003c\/strong\u003e, or\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efail-safe operation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIdeal for critical systems requiring continuous regulation even during maintenance or failure of one pilot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular Construction\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eInterchangeable pilots for various control functions.\u003c\/li\u003e\n\u003cli\u003eEasy maintenance and upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Dirt Tolerance\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eTeflon® dirt-wiping piston seals ensure reliable operation in dry or oil-free systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual Opening Stem\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eLocated on top to avoid contamination from rust or debris.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealing\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eTeflon seating and stainless steel spring closing.\u003c\/li\u003e\n\u003cli\u003eNon-asbestos gaskets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keep Supply","offers":[{"title":"Default Title","offer_id":47224983978236,"sku":"HAN-HA4AD\/71","price":5671.94,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/7042\/5340\/files\/BC_Upload_0e19f423-457b-41ee-915e-d88ea1c62a98.png?v=1748900312","url":"https:\/\/industrial-tools.ca\/products\/ha4ad-71-hansen-3-80mm-dual-pressure-regulator-range-a-a","provider":"Industrial Tools","version":"1.0","type":"link"}