{"title":"High Pressure Check Valves","description":"\u003ch2\u003eHigh Pressure Check Valves for Pressure Washers\u003c\/h2\u003e\u003cp\u003eProtect your pressure washer pumps and prevent backflow with professional high-pressure check valves designed for demanding commercial applications. Our selection includes inline check valves, pump inlet check valves, and specialty check valves in multiple pressure ratings and thread configurations, ensuring one-way flow and system protection in high-pressure water systems.\u003c\/p\u003e\u003ch3\u003eComplete High Pressure Check Valve Solutions\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline Check Valves:\u003c\/strong\u003e Threaded check valves for installation in hose lines and plumbing systems to prevent backflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Inlet Check Valves:\u003c\/strong\u003e Specialty check valves designed for pump inlet protection and priming assistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Ratings:\u003c\/strong\u003e Check valves rated from 3000 PSI to 10000+ PSI for various pressure washer configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Options:\u003c\/strong\u003e 1\/4\" NPT, 3\/8\" NPT, and 1\/2\" NPT threaded connections plus quick connect configurations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you're protecting pumps from backflow, preventing water hammer, or ensuring proper flow direction in chemical injection systems, high-pressure check valves provide reliable one-way flow control in demanding applications. Proper check valve placement prevents pump damage, maintains system pressure, and ensures consistent performance in pressure washing and soft wash operations.\u003c\/p\u003e\u003cp\u003eLooking for other valves? Browse our \u003ca href=\"\/collections\/valves-switches\" title=\"Valves \u0026amp; Switches\"\u003ecomplete valve selection\u003c\/a\u003e. Need pump parts? Check out our \u003ca href=\"\/collections\/pumps\" title=\"Pumps\"\u003epumps\u003c\/a\u003e, \u003ca href=\"\/collections\/diaphragm-pump-replacement-parts\" title=\"Diaphragm Pump Replacement Parts\"\u003ediaphragm pump parts\u003c\/a\u003e, and \u003ca href=\"\/collections\/all-products\" title=\"All Products\"\u003ecomplete product catalog\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"safety-pressure-relief-valve-pop-off-195-degree","title":"Safety pressure relief valve pop off 195 degree","description":"\u003ch3\u003e3\/8\" NPT - Relief Valve\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe General Pump 100534 pressure relief valve is built to handle cold water and protect you system from damage caused by over pressure. Designed to reduce chatter and whistling. Compatible with pumps from other brands. Tolerates a maximum pressure of 6000 PSI and flow rate of 6.0 GPM. Remains accurate over the full range of pressure settings. Brass construction resists corrosion. Inlet connection measures 3\/8\" NPT.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMax Volume: 6.0 GPM\u003c\/li\u003e\n\u003cli\u003eMax Relief Pressure 6,000 PSI\u003c\/li\u003e\n\u003cli\u003eMax Temperature: 32 - 150° F\u003c\/li\u003e\n\u003cli\u003eDimensions: 2.6\" x .875\" Hex\u003c\/li\u003e\n\u003cli\u003eInlet: 3\/8 Inch NPT\u003c\/li\u003e\n\u003cli\u003eOutlet: End\u003c\/li\u003e\n\u003cli\u003eWeight: 1.00 lb.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eMaterials Brass, Stainless Steel,\u003c\/li\u003e\n\u003cli\u003eThermoplastic, Buna-N\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh pressure safety valve: 2000-6000 PSI relief\u003c\/li\u003e\n\u003cli\u003epressure\u003c\/li\u003e\n\u003cli\u003eOne model fits all pressure - no spring to change\u003c\/li\u003e\n\u003cli\u003eLess “whistling” and chatter than competing brands\u003c\/li\u003e\n\u003cli\u003eHighly accurate over full range of pressure\u003c\/li\u003e\n\u003cli\u003eFits any brand of pump\u003c\/li\u003e\n\u003cli\u003eDesigned and made in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MPWSR","offers":[{"title":"Default Title","offer_id":48413118234921,"sku":"100534","price":30.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/6070\/3785\/files\/61wpmxz5_mL._AC_SX679.jpg?v=1751585251"},{"product_id":"3-8-check-valve-5800psi-6-6-gpm-max-brass","title":"3\/8\" check valve 5800psi 6.6 gpm max Brass","description":"\u003cp\u003e3\/8\" check valve 5800psi 6.6 gpm max Brass\u003c\/p\u003e","brand":"MPWSR","offers":[{"title":"Default Title","offer_id":48413266247977,"sku":"CV3-40038","price":35.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/6070\/3785\/files\/3-8checkval.jpg?v=1719862929"},{"product_id":"3-8-5000psi-pressure-relief-valve","title":"3\/8 5000PSI Pressure Relief Valve","description":"\u003cp\u003e3\/8 5000PSI Pressure Relief Valve\u003c\/p\u003e","brand":"MPWSR","offers":[{"title":"Default Title","offer_id":48413276635433,"sku":"2323","price":21.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/6070\/3785\/files\/2323.png?v=1726687646"},{"product_id":"1-2-high-pressure-check-valve-5800-psi","title":"1\/2\" high pressure check valve 5800 psi","description":"\u003cp\u003e1\/2\" high pressure check valve 5800 psi\u003c\/p\u003e","brand":"MPWSR","offers":[{"title":"Default Title","offer_id":48413315694889,"sku":"CV3-40012","price":49.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/6070\/3785\/files\/12check_2a975e71-ef8f-4eb2-903d-8beaf0d1a234.png?v=1734631309"},{"product_id":"1-ss-fxf-spring-check-valve","title":"1\" Stainless Steel Check Valve Female x Female","description":"\u003cp\u003e1\" Stainless Steel Check Valve FxF\u003c\/p\u003e\u003cp\u003e949455\u003c\/p\u003e","brand":"MPWSR","offers":[{"title":"Default Title","offer_id":48413344760105,"sku":"949455","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/6070\/3785\/files\/file_b07ae878-cc93-48d4-8cff-5eb534fc8155.png?v=1734543711"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/6070\/3785\/collections\/61wpmxz5_mL._AC_SX679.jpg?v=1770223951","url":"https:\/\/mpwsr.com\/collections\/high-pressure-check-valves.oembed","provider":"MPWSR x APE","version":"1.0","type":"link"}