{"product_id":"graco-25t478-medium-pressure-fluid-back-pressure-regulator","title":"GRACO Medium Pressure Fluid Back Pressure Regulator, 1000 Max psi, 5 gpm Max Flow Rate, SST, Pneumatic - (SKU: 25T478)","description":"\u003cp class=\"MsoNormal\"\u003eThe GRACO 25T478 is a medium pressure fluid back pressure regulator constructed from stainless steel (SST), designed to control upstream fluid pressure in industrial fluid circulation systems. It is intended for use within GRACO equipment to maintain consistent system pressure and protect sensitive components from pressure fluctuations.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMedium Pressure Fluid Back Pressure Regulator\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e25T478\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eStainless Steel (SST)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e5 gpm (gallons per minute) Max\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003e1000 psi Max\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eDesigned for integration with GRACO fluid circulation systems and compatible with various industrial finishing and coating applications\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003ePneumatic operation for precise pressure control\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eStainless steel construction for durability and corrosion resistance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eSupports high flow and pressure applications\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eReliable performance in demanding industrial environments\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eEase of maintenance with accessible components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003cbr\u003eUsed in industrial finishing, paint circulation, and coating systems where maintaining consistent upstream pressure is critical for process quality and equipment protection.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eInstallation Notes:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eUsing genuine GRACO parts ensures compatibility, reliability, and optimal performance of the fluid circulation system.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMount the regulator securely in the fluid return line after the last spray station to maintain proper system pressures\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eConnect fluid lines to the appropriate inlet and outlet ports as marked on the regulator housing\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eInstall an accessory gauge in the 1\/4 inch gauge port if required\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003ePlug unused ports to prevent leaks\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eApply NLGI Grade 2 grease to moving parts and metal assembly paste to threads for optimal performance and longevity\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eTorque fasteners to manufacturer specifications (e.g., 175–200 in-lbs or 20–23 N•m for similar models)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eHandle carbide piston and seat components with care to avoid damage and leakage\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRegularly inspect for leaks, wear, or damage\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eClean and lubricate moving parts as recommended\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eReplace worn or damaged components promptly\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eStore in a dry, well-ventilated area to prevent corrosion\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GRACO Air Valves \u0026 Regulators","offers":[{"title":"Default Title","offer_id":48486809403700,"sku":"25T478","price":5040.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/4508\/2699\/files\/25T477_25T478.jpg?v=1740890599","url":"https:\/\/innoflo.com\/products\/graco-25t478-medium-pressure-fluid-back-pressure-regulator","provider":"Innoflo Solutions Inc.","version":"1.0","type":"link"}