{"product_id":"encphtftsc1700","title":"ECS-N 1700℃ Constant Pressure Horizontal Tube Furnace (Alumina Tube: Φ80*1000mm) with Touch Screen Control, ENCPHTFTSC1700","description":"\u003cp\u003eMaintaining a constant pressure environment (whether under a slight positive pressure or a regulated rough vacuum) inside a horizontal tube furnace requires integrating specialized gas-delivery and pressure-regulation accessories with your furnace setup. To achieve stable, constant-pressure operations, laboratory tube furnace systems rely on the following components: (1) \u003cstrong\u003eStainless Steel Vacuum Sealing Flanges (Double-O-Ring Design)\u003c\/strong\u003e: Attached to both ends of the quartz or alumina tube, these flanges feature precision needle valves, mechanical pressure gauges, and quick-connect hose barbs to maintain gas tightness. (2) \u003cstrong\u003eUpstream Gas Regulation (Mass Flow Controllers \/ Pressure Regulators)\u003c\/strong\u003e: Incoming process gases (Ar, N2, forming gas) are regulated using high-precision digital mass flow controllers (MFCs) or dual-stage cylinder regulators to ensure a steady inlet feed rate. (3) \u003cstrong\u003eDownstream Pressure Control (Back-Pressure Regulators \/ Throttle Valves)\u003c\/strong\u003e: To maintain a constant positive pressure inside the tube (e.g., maintaining 0.02 MPa \/ 3 psi), a downstream mechanical back-pressure regulator or automatic throttle valve is positioned on the exhaust line to restrict gas escape until the target internal pressure is reached. (4) \u003cstrong\u003eVacuum \/ Exhaust Integration\u003c\/strong\u003e: For constant-pressure or dynamic-vacuum work, needle valves allow fine-tuning of the exhaust rate to balance continuous gas inflow against vacuum pump extraction.\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"height: 1702.2px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"height: 47.6px;\"\u003e\u003cem\u003ePart Number\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 47.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eENCPHTFTSC1700 (EN-CPHTFTSC1700)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 145.6px;\"\u003e\n\u003ctd style=\"height: 145.6px;\"\u003e\u003cem\u003eGeneral Features\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 145.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eConstant pressure control: The inner tube pressure can maintain a constant value by the embedded pressure control system even under heating or cooling conditions.  \u003c\/li\u003e\n\u003cli\u003eVarious types of gases (eg: air, N2\/Ar, reductive gas) can be compatible\u003c\/li\u003e\n\u003cli\u003eAdvanced temperature control system for covering RT to 1650℃\u003c\/li\u003e\n\u003cli\u003eTubing structure is suitable for small batch sample processing\u003c\/li\u003e\n\u003cli\u003ePLC+HMI for convenience operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 644.2px;\"\u003e\n\u003ctd style=\"height: 644.2px;\"\u003e\u003cem\u003eTube Furnace Features\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 644.2px;\"\u003e\n\u003cul\u003e\n\u003cli\u003ePower: AC220V±10%, single-phases, 50\/60Hz, 4500 W\u003c\/li\u003e\n\u003cli\u003eHeating Temperature: Max. 1700 ℃ (\u0026lt;1 h)\u003c\/li\u003e\n\u003cli\u003eContinuous Operation Temperature: Max. 1650 ℃\u003c\/li\u003e\n\u003cli\u003eHeating Resolution: ±1℃\u003c\/li\u003e\n\u003cli\u003eHeating Rate: ≤20℃\/min\u003c\/li\u003e\n\u003cli\u003eHeating Hearth Chamber: φ150*310\u003c\/li\u003e\n\u003cli\u003eProcessing alumina tube: Φ80*1000mm\u003c\/li\u003e\n\u003cli\u003eHeating Zone: \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e310 mm \u003cspan style=\"color: rgb(0, 0, 0);\"\u003e(constant temperature heating zone length is \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e180 mm\u003c\/span\u003e)\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeating Element: Si-Mo heating tubes with high corrosion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e         \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENSHTFTSC1700_03_100x100.jpg?v=1793863305\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThermocouple: B-type\u003c\/li\u003e\n\u003cli\u003eSealing Flanges and tube support are included.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e         \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENCPHTFTSC1700_04_100x100.jpg?v=1793867082\" alt=\"\" style=\"float: none;\"\u003e           \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENCPHTFTSC1700_05_100x100.jpg?v=1793867082\" alt=\"\" style=\"float: none;\" width=\"88\" height=\"84\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOne flowmeter has been installed and inspected for ready use. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e           \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENSHTFTSC1200_04_100x100.jpg?v=1793822365\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProgrammable temperature setting profiles in a 7\" touch screen control panel. There are maximum 15 heating profiles can be saved for repeatable use.   \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 331.6px;\"\u003e\n\u003ctd style=\"height: 331.6px;\"\u003e\u003cem\u003eConstant Pressure Control\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 331.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003ePrecise vacuum valve is used to finely tune the vacuum resistance and keep gas amount balance at inlet \u0026amp; outlet, which will maintain the constant tube pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENCPHTFTSC1700_02_100x100.jpg?v=1793867016\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe digital vacuum gauge can measure and control the vacuum pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENCPHTFTSC1700_03_100x100.jpg?v=1793867016\" alt=\"\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 107.6px;\"\u003e\n\u003ctd style=\"height: 107.6px;\"\u003e\n\u003cp\u003e\u003cem\u003eVacuum Pump (\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eOptional\u003c\/span\u003e)\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 107.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eA vacuum pump (\u003c\/span\u003e\u003ca href=\"https:\/\/echemsupplies.com\/products\/edsrvvp?variant=47513025282278\"\u003eEDSRVVP\u003c\/a\u003e\u003cspan\u003e) can be supplied to provide high vacuum (~10 Pa) for sample processing in quartz tube\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/EDSRVVP_main_100x100.png?v=1775410712\" alt=\"\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 243.6px;\"\u003e\n\u003ctd style=\"height: 243.6px;\"\u003e\u003cem\u003eNotes\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 243.6px;\"\u003e\n\u003cul\u003e\n\u003cli\u003eThe door is not allowed to be opened when the furnace temperature higher than 300 ℃\u003c\/li\u003e\n\u003cli\u003eThe inner pressure inside the quartz tube should be less than 0.125 MPa (absolute value) to avoid damage by overpressure\u003c\/li\u003e\n\u003cli\u003eUnder vacuum condition, the heating temperature should be less than 800 ℃\u003c\/li\u003e\n\u003cli\u003eThe gas pressure regulator (0.01-0.15 MPa) should be installed if the high pressure gas tank is used \u003c\/li\u003e\n\u003cli\u003ePlease watch out the gas pressure in quartz tube when the inlet and outlet gas valves are closed during heating condition. \u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eThe minor cracks on the furnace hearth insulation layer are normal and won't affect its operation. \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 86.8px;\"\u003e\n\u003ctd style=\"height: 86.8px;\"\u003e\u003cem\u003eCertification\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 86.8px;\"\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eCE certified\u003c\/li\u003e\n\u003cli\u003eUL and CSA certification is available upon request at extra cost\u003c\/li\u003e\n\u003cli\u003eOne-year warranty and life-time technical support. \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"height: 47.6px;\"\u003e\u003cem\u003eDimension\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 47.6px;\"\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eL1000 × D600× H730 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 47.6px;\"\u003e\n\u003ctd style=\"height: 47.6px;\"\u003e\u003cem\u003eWeight\u003c\/em\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 47.6px;\"\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e~130 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"NBD","offers":[{"title":"Default Title","offer_id":67964626108646,"sku":"ENCPHTFTSC1700","price":7999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/6591\/1526\/files\/ENCPHTFTSC1700_main.jpg?v=1793866882","url":"https:\/\/echemsupplies.com\/products\/encphtftsc1700","provider":"EChem Supplies","version":"1.0","type":"link"}