Check Valves (3,500+ items) - Page 90
Y-Check Valve, True Union, Spring-Loaded, 1-1/4", PVC/EPDM, Threaded, Adjustable 2-15 psi
2.0" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, VMQ; Ygros EDF-3A-W-2.0-S-316
1.0" EDF Check Valve Horiz3-A 1 Pc Shutter Pol, Clamped Conn T316 VMQ; Ygros EDF-3A-H-CL-1.0-S-316
0.75" EDF Chck Vlv Horiz3-A 1 Pc Shutter Pol Clmp x Weld Conn T316 EPDM;Ygros EDF-3A-H-CW-.75-E-316
4.0" EDF Check Valve 3-A 1 Pc Shutter Pol, Clamp x Weld Conn, T316, VMQ; Ygros EDF-3A-CW-4.0-S-316
1.0" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Clamped Conn, T316, FPM; Ygros EDF-3A-CL-1.0-V-316
0.75" EDF Chck Vlv Horiz3-A 1 Pc Shuttr Pol Clamp x Weld Conn T316 FPM; Ygros EDF-3A-H-CW-.75-V-316
0.50" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Clamped Conn, T316, EPDM; Ygros EDF-3A-CL-.50-E-316
0.75" EDF Check Valve Horiz3-A 1 Pc Shutter Pol Clamped Conn T316 HNBR; Ygros EDF-3A-H-CL-.75-H-316
2.5" EDF Check Valve 3-A 1 Pc Shutter Pol, Clamp x Weld Conn, T316, VMQ; Ygros EDF-3A-CW-2.5-S-316
1.5" EDF Check Valve Horiz3-A, 1 Pc Shutter, Pol, Weld Conn, T316, EPDM; Ygros EDF-3A-H-W-1.5-E-316
4.0" EDF Check Valve Horiz3-A 1 Pc Shutter Pol Clamped Conn T316 FPM; Ygros EDF-3A-H-CL-4.0-V-316
4.0" EDF Check Valve 3-A 1 Pc Shutter, Pol, Clamp x Weld Conn, T316, FPM; Ygros EDF-3A-CW-4.0-V-316
3.0" EDF Check Vlv Horiz3-A 1 Pc Shutter Pol Clmp x Weld Conn T316 HNBR;Ygros EDF-3A-H-CW-3.0-H-316
0.75" EDF Check Valve Horiz3-A 1 Pc Shutter Pol Clamped Conn T316 VMQ; Ygros EDF-3A-H-CL-.75-S-316
3.0" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, FPM; Ygros EDF-3A-W-3.0-V-316
0.75" EDF Check Valve Horiz3-A 1 Pc Shutter Pol Clamped Conn T316, FPM; Ygros EDF-3A-H-CL-.75-V-316
1.0" EDF Check Vlv Horiz3-A 1 Pc Shutter Pol, Clamped Conn, T316, EPDM; Ygros EDF-3A-H-CL-1.0-E-316
1.5" EDF Check Valve 3-A 1 Pc Shutter Pol, Clamp x Weld Conn, T316, VMQ; Ygros EDF-3A-CW-1.5-S-316
4.0" EDF Check Vlv Horiz3-A 1 Pc Shutter Pol Clamp x Weld Conn T316 VMQ;Ygros EDF-3A-H-CW-4.0-S-316
2.5" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, EPDM; Ygros EDF-3A-W-2.5-E-316
1.0" EDF Check Valve 3-A 1 Pc Shutter Pol, Clamp x Weld Conn, T316, EPDM; Ygros EDF-3A-CW-1.0-E-316
1.0" EDF Check Vlv Horiz3-A 1 Pc Shutter Pol Clamp x Weld Conn T316 FPM;Ygros EDF-3A-H-CW-1.0-V-316
1.0" EDF Check Valve Horiz3-A, 1 Pc Shutter, Pol, Weld Conn, T316, EPDM; Ygros EDF-3A-H-W-1.0-E-316
1.0" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, EPDM; Ygros EDF-3A-W-1.0-E-316
0.75" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Clamped Conn, T316, VMQ; Ygros EDF-3A-CL-.75-S-316
3.0" EDF Check Valve Horiz3-A 1 Pc Shutter Pol Clamped Conn T316 FPM; Ygros EDF-3A-H-CL-3.0-V-316
0.75" EDF Check Valve Horiz3-A, 1 Pc Shutter, Pol, Weld Conn, T316, VMQ; Ygros EDF-3A-H-W-.75-S-316
0.50" EDF Check Valve Horiz3-A 1 Pc Shutter, Pol, Weld Conn, T316, EPDM; Ygros EDF-3A-H-W-.50-E-316
4.0" EDF Check Valve Horiz3-A, 1 Pc Shutter, Pol, Weld Conn, T316, HNBR; Ygros EDF-3A-H-W-4.0-H-316
1.5" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Clamped Conn, T316, HNBR; Ygros EDF-3A-CL-1.5-H-316
1.0" EDF Check Valve Horiz3-A 1 Pc Shutter Pol Clamped Conn T316 FPM; Ygros EDF-3A-H-CL-1.0-V-316
1.5" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, VMQ; Ygros EDF-3A-W-1.5-S-316
2.0" EDF Check Valve, 3-A, 1 Pc Shutter, Pol, Weld Conn, T316, FPM; Ygros EDF-3A-W-2.0-V-316
2.5" EDF Check Vlv 3-A 1 Pc Shuttr Pol Clampd Conn T316 EPDM Steam App;Ygros EDF-3A-CL-2.5-E-316-S
About Check Valves
Check Valves are designed to prevent the backflow of liquids, gases, and other substances from flowing in the wrong direction. They are typically used in piping systems to protect equipment from damage due to reverse flow.
Types of Check Valves
Check Valves come in a variety of sizes and materials, such as 1/2 check valves, 3/4 inch check valves, and 6 inch PVC check valves. Some Check Valves use springs or diaphragms to ensure that they close properly when pressure is applied. Other Check Valves may be made with stainless steel or brass components for more durability.
How Check Valves are Made
Check Valves can be made from a range of materials including plastic, metal alloys, rubber compounds, and polymers. These materials are formed into different shapes depending on their purpose - for example an inline check valve is typically cylindrical while a one-way valve supplier may use flaps or discs.
Industries that Use Check Valves
Check Valves are commonly used by plumbers and engineers in industries such as water treatment plants, food processing facilities, chemical plants, automotive manufacturing plants and oil refineries. Professionals use them to control the flow of liquids in pipes while ensuring that no backflow occurs.
Find the Check Valves You Need at Zoro
Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of plumbing tools & supplies, along with other equipment and essentials to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time. Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.