{"title":"High-Pressure Check Valves","description":"\u003cp\u003eShop high-pressure check valves for hydraulic and industrial systems where one-way flow control is required under elevated operating pressures. This collection includes Midland Industries carbon-steel check valves with FNPT and female SAE threaded connections in multiple sizes, flow capacities, and cracking-pressure configurations.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-Pressure Check Valves for Hydraulic Systems\u003c\/h2\u003e\n\n\u003cp\u003eHigh-pressure check valves allow fluid to flow in the intended direction while automatically restricting reverse flow. They are commonly used in hydraulic circuits to help maintain directional flow and protect pumps, cylinders, accumulators, lines, and other system components from unwanted backflow.\u003c\/p\u003e\n\n\u003cp\u003eModels in this collection include working-pressure ratings up to 5,000 PSI, with additional configurations rated for 3,000 PSI service. Always confirm the specific pressure rating of the selected valve against the maximum operating pressure of the hydraulic system.\u003c\/p\u003e\n\n\u003ch2\u003eFNPT and SAE Check Valve Connections\u003c\/h2\u003e\n\n\u003cp\u003eAvailable connection options include female NPT and female SAE threaded designs across multiple nominal sizes. Carbon-steel construction provides a durable valve body for demanding hydraulic and industrial applications.\u003c\/p\u003e\n\n\u003cp\u003eFlow capacity and cracking pressure vary by model. These specifications should be considered along with connection size and working pressure when selecting a valve for a specific circuit.\u003c\/p\u003e\n\n\u003ch2\u003eChoosing a High-Pressure Check Valve\u003c\/h2\u003e\n\n\u003cp\u003eBefore ordering, verify the maximum system pressure, nominal size, thread type, flow requirement, cracking pressure, body material, and fluid compatibility. Selecting the correct cracking pressure is especially important because it determines the upstream pressure required before the valve begins to open.\u003c\/p\u003e\n\n\u003cp\u003eFor additional one-way flow-control options, browse our complete \u003ca href=\"\/collections\/check-valves\"\u003echeck valves\u003c\/a\u003e, \u003ca href=\"\/collections\/spring-check-valves\"\u003espring check valves\u003c\/a\u003e, or \u003ca href=\"\/collections\/in-line-check-valves\"\u003ein-line check valves\u003c\/a\u003e.\u003c\/p\u003e\n","products":[{"product_id":"10011665","title":"10011665 High Pressure Check Valve, 1-5\/16-12 Nominal, Female SAE Threaded, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-5\/16-12 Nominal, Connection Type: Female SAE Threaded, 3000 psi, 36 gpm Flow Rate, 5 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 65 lb Cracking Pressure, 5 in Length, 1.81 in Width\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46895076901117,"sku":"10011665","price":223.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_10011665.jpg?v=1763674245"},{"product_id":"10012065","title":"10012065 High Pressure Check Valve, 1-5\/8-12 Nominal, Female SAE Threaded, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-5\/8-12 Nominal, Connection Type: Female SAE Threaded, 3000 psi, 50 gpm Flow Rate, 5.2 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 65 lb Cracking Pressure, 5.2 in Length, 2.41 in Width\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46895086698749,"sku":"10012065","price":317.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_10012065.jpg?v=1763674559"},{"product_id":"10012465","title":"10012465 High Pressure Check Valve, 1-7\/8-12 Nominal, Female SAE Threaded, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-7\/8-12 Nominal, Connection Type: Female SAE Threaded, 3000 psi, 60 gpm Flow Rate, 5.2 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 65 lb Cracking Pressure, 5.2 in Length, 2.56 in Width\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46895087255805,"sku":"10012465","price":325.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_10012465.jpg?v=1763674587"},{"product_id":"1000125","title":"1000125 High Pressure Check Valve, 1-1\/2 in Nominal, FNPT, Carbon Steel Body, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-1\/2 in Nominal, Connection Type: FNPT, 3000 psi, 60 gpm Flow Rate, 5.56 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 5 lb Cracking Pressure, 5.56 in Length, 2.56 in Width, 1-1\/2-11-1\/2 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46895088894205,"sku":"1000125","price":349.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_1000125.jpg?v=1763674665"},{"product_id":"10001065","title":"10001065 High Pressure Check Valve, 1-1\/4 in Nominal, FNPT, Carbon Steel Body, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-1\/4 in Nominal, Connection Type: FNPT, 3000 psi, 50 gpm Flow Rate, 5.2 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 65 lb Cracking Pressure, 5.2 in Length, 2.41 in Width, 1-1\/4-11-1\/2 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46895101214973,"sku":"10001065","price":692.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_10001065.jpg?v=1763675116"},{"product_id":"1000265","title":"1000265 High Pressure Check Valve, 1\/4 in Nominal, FNPT, Carbon Steel Body, Import","description":"\u003cp\u003eHigh Pressure Check Valve, 1\/4 in Nominal, Connection Type: FNPT, 5000 psi, 6 gpm Flow Rate, 2.45 in L Inlet to Outlet, Carbon Steel Body, Import, Additional Information: 65 lb Cracking Pressure, 2.45 in Length, 0.87 in Width, 1\/4-18 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46900197196029,"sku":"1000265","price":94.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_1000265.jpg?v=1763728932"},{"product_id":"100025","title":"100025 High Pressure Check Valve, 1\/4 in Nominal, FNPT, Carbon Steel Body, Import","description":"\u003cp\u003eHigh Pressure Check Valve, 1\/4 in Nominal, Connection Type: FNPT, 5000 psi, 6 gpm Flow Rate, 2.44 in L Inlet to Outlet, Carbon Steel Body, Import, Additional Information: 5 lb Cracking Pressure, 2.44 in Length, 0.87 in Width, 1\/4-18 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46900197261565,"sku":"100025","price":104.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_100025.jpg?v=1763728934"},{"product_id":"100145","title":"100145 High Pressure Check Valve, 7\/16-20 Nominal, Female SAE Threaded, Carbon Steel Body","description":"\u003cp\u003eHigh Pressure Check Valve, 7\/16-20 Nominal, Connection Type: Female SAE Threaded, 5000 psi, 6 gpm Flow Rate, 2.56 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 5 lb Cracking Pressure, 2.56 in Length, 0.87 in Width\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46900206010621,"sku":"100145","price":98.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_100145.jpg?v=1763729113"},{"product_id":"100035","title":"100035 High Pressure Check Valve, 3\/8 in Nominal, FNPT, Carbon Steel Body, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 3\/8 in Nominal, Connection Type: FNPT, 5000 psi, 10 gpm Flow Rate, 2.87 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 5 lb Cracking Pressure, 2.87 in Length, 0.95 in Width, 3\/8-18 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46900241039613,"sku":"100035","price":105.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_100035.jpg?v=1763730436"},{"product_id":"1000365","title":"1000365 High Pressure Check Valve, 3\/8 in Nominal, FNPT, Carbon Steel Body, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 3\/8 in Nominal, Connection Type: FNPT, 5000 psi, 10 gpm Flow Rate, 2.91 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 65 lb Cracking Pressure, 2.91 in Length, 0.94 in Width, 3\/8-18 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default 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Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46900530544893,"sku":"1000465","price":122.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_1000465.jpg?v=1763735834"},{"product_id":"10011265","title":"10011265 High Pressure Check Valve, 1-1\/6-12 Nominal, Female SAE Threaded, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-1\/6-12 Nominal, Connection Type: Female SAE Threaded, 3000 psi, 30 gpm Flow Rate, 4.29 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 65 lb Cracking Pressure, 4.29 in Length, 1-1\/2 in Width\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default 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1.26 in Width, 3\/4-14 Thread Size\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default Title","offer_id":46900627833085,"sku":"1000665","price":171.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0669\/8785\/2029\/files\/MIDLANDINDUSTRIES_1000665.jpg?v=1763737228"},{"product_id":"1001165","title":"1001165 High Pressure Check Valve, 1-5\/16-12 Nominal, Female SAE Threaded, Domestic","description":"\u003cp\u003eHigh Pressure Check Valve, 1-5\/16-12 Nominal, Connection Type: Female SAE Threaded, 3000 psi, 36 gpm Flow Rate, 5 in L Inlet to Outlet, Carbon Steel Body, Domestic, Additional Information: 5 lb Cracking Pressure, 5 in Length, 1.81 in Width\u003c\/p\u003e","brand":"Midland Industries","offers":[{"title":"Default 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