{"product_id":"graco-db3977-husky-1590-aluminum-1-1-2-npt-standard-pump-aluminum-center-section-polypropylene-seats-buna-n-balls-buna-n-diaphragm","title":"GRACO Husky 1590 Aluminum (1-1\/2\" NPT) Standard Pump, Aluminum Center Section, Polypropylene Seats, Buna-N Balls \u0026 Buna-N Diaphragm - (SKU: DB3977)","description":"\u003cp class=\"MsoNormal\"\u003eThe GRACO DB3977 is an air-operated double diaphragm pump designed for industrial fluid transfer. It features an aluminum center section, polypropylene seats, Buna-N balls, and a Buna-N diaphragm, making it suitable for handling a wide range of chemicals and fluids in demanding environments.\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;\"\u003eAir-Operated Double Diaphragm Pump\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eHusky 1590, 1-1\/2\" NPT\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eAluminum center section, polypropylene seats, Buna-N balls, Buna-N diaphragm\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMaximum free flow delivery: 100 gpm (378.5 lpm)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eMaximum fluid working pressure: 120 psi (8.4 bar, 0.84 MPa)\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eIndustrial fluids, chemicals, water, wastewater, and compatible with a wide range of process liquids\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003ePatented, high-reliability closed center air valve\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eOnline serviceable for easy maintenance\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eEpoxy-coated air section for tough environmental conditions\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRobust construction for reliability and long service life\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eSuitable for handling solids up to 0.19 in (4.8 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eApplications:\u003c\/b\u003e\u003cbr\u003eIndustrial fluid transfer, chemical processing, water and wastewater transfer, compatible with asphalt sealer, antifreeze, detergents, motor oil, hydraulic fluid, cutting oil, and more\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 optimal performance, reliability, and compatibility with existing equipment.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eEnsure proper alignment and secure mounting of the pump\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eUse appropriate thread sealant for NPT connections\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eCheck for leaks after installation\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eFollow manufacturer’s guidelines for air supply and fluid compatibility\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eRegularly inspect and maintain diaphragms and seals for longevity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GRACO Diaphragms \u0026 Seals","offers":[{"title":"Default Title","offer_id":48487432749364,"sku":"DB3977","price":99999.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0024\/4508\/2699\/files\/Graco_Innoflo_badccb38-5147-4393-839c-0293285caae1.webp?v=1740933301","url":"https:\/\/innoflo.com\/products\/graco-db3977-husky-1590-aluminum-1-1-2-npt-standard-pump-aluminum-center-section-polypropylene-seats-buna-n-balls-buna-n-diaphragm","provider":"Innoflo Solutions Inc.","version":"1.0","type":"link"}