{"product_id":"4-in-npt-brass-gate-valve-heavy-duty-manual-rotary-sluice-valve","title":"4 in NPT Brass Gate Valve - Heavy Duty Manual Rotary Sluice Valve","description":"\u003cp\u003eIn this review of the 4 in NPT Brass Gate Valve, the bottom line is simple: this is a heavy duty, full-bore sluice valve built for installers who need a durable, tight-sealing shutoff for water, oil or non-corrosive gas lines. The valve's brass construction, NPT female x female threads, and polished inner wall make it a practical choice for industrial plumbing and HVAC work, and it earns its keep where a rugged manual valve with low flow resistance and long service life is required.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood sealing:\u003c\/strong\u003e The gate moves perpendicular to flow for reliable shutoff and the NPT thread improves tightness and compatibility with threaded pipe fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull bore design:\u003c\/strong\u003e Full bore through the valve minimizes flow restriction and keeps pressure drop low in supply or return lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrass construction:\u003c\/strong\u003e A pressure- and explosion-resistant body offers wear resistance and durability for long service life in demanding environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolished inner wall:\u003c\/strong\u003e Smooth interior reduces scaling and clogging potential, making the valve more practical for fluids like water and oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide application range:\u003c\/strong\u003e Available in multiple specs and suited to chemical, construction, petroleum, shipbuilding and HVAC uses where non-corrosive media are present.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature and pressure tolerance:\u003c\/strong\u003e Rated for up to 1.6 MPa and from -20C to +150C, so it handles many common industrial temperature ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe valve is aimed at plumbers, maintenance techs, and contractors who need a sturdy manual gate valve for medium-duty industrial plumbing, HVAC, or oil and gas service lines where non-corrosive media are used. It fits installations that require threaded NPT connections and benefit from a full-bore valve that does not significantly impede flow.\u003c\/p\u003e\n\u003cp\u003eIt is not the best choice for corrosive media, cryogenic systems below -20C, or users who need automated actuation; for those applications, a corrosion-resistant alloy or an actuated valve would be more suitable.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolid brass body gives a robust, wear-resistant valve that holds up under pressure.\u003c\/li\u003e\n\u003cli\u003eFull bore and polished interior provide minimal flow resistance and less risk of clogging.\u003c\/li\u003e\n\u003cli\u003eNPT female threads make the valve compatible with common threaded pipework and offer a better seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users report mixed functionality on shutoff performance, so careful installation and testing are advised.\u003c\/li\u003e\n\u003cli\u003eNot suitable for corrosive or extreme-temperature media outside the stated range.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e4 in (DN100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eFemale x Female NPT threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax working pressure\u003c\/td\u003e\n\u003ctd\u003e1.6 MPa \/ 232.06 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature range\u003c\/td\u003e\n\u003ctd\u003e-20C to +150C (-4F to 302F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMedia\u003c\/td\u003e\n\u003ctd\u003eWater, oil, non-corrosive flammable gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 4 in NPT Brass Gate Valve is a practical, heavy duty manual sluice valve for installers who need a full-bore, low-resistance shutoff with robust brass construction. It represents good value for routine industrial, plumbing and HVAC use when paired with compatible non-corrosive media, but buyers should verify shutoff performance on installation and choose a different valve for corrosive or extreme-temperature systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this valve suitable for gas service?\u003c\/strong\u003e\u003cbr\u003eYes, it is rated for non-corrosive flammable gas within the stated pressure and temperature limits, but follow local codes and test for leaks after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pipe thread type is required?\u003c\/strong\u003e\u003cbr\u003eThe valve uses female NPT threads and is designed to be screwed onto compatible male NPT threaded pipe fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used in extremely cold or hot environments?\u003c\/strong\u003e\u003cbr\u003eIt is rated from -20C to +150C; for conditions outside that range select a valve rated for the specific extreme temperatures.\u003c\/p\u003e","brand":"SYWUWV","offers":[{"title":"Default Title","offer_id":48264995012827,"sku":"B0D6Z5GJXM","price":175.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/614FXMzGmsL._AC_SL1500.jpg?v=1778296035","url":"https:\/\/gearmusthave.com\/products\/4-in-npt-brass-gate-valve-heavy-duty-manual-rotary-sluice-valve","provider":"GearMustHave","version":"1.0","type":"link"}