Shop swing check valves for industrial piping and fluid-control systems where automatic prevention of reverse flow is required. This collection includes Midland Industries swing check valves in ductile iron, brass, bronze, and stainless steel, with threaded and flanged connection options across a wide range of sizes.
Swing Check Valves for Backflow Prevention
Swing check valves allow fluid to move in one direction while automatically closing when flow reverses. The internal disc swings away from the flow path during normal operation and returns toward the seat when flow stops or reverses, helping protect pumps, piping, and other system components from backflow.
Threaded and Flanged Swing Check Valves
Available configurations include compact threaded swing check valves for smaller piping systems as well as larger flanged ductile-iron valves for industrial installations. Selected models are also available with external lever-and-weight configurations.
Body materials include brass, bronze, ductile iron, and 316 stainless steel depending on size and application. Connection styles include FPT, FNPT, copper connections, and flanged designs.
Choosing the Right Swing Check Valve
Before ordering, verify the nominal valve size, connection type, body material, pressure rating, operating temperature, and installation requirements. Check valves should also be installed in the correct flow direction and orientation specified for the individual valve.
For additional check-valve designs, browse our complete check valves collection.
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962012 Swing Check Valve, 12 in Nominal, Flanged, Ductile Iron Body, Import
Sale price $5,943.89Regular price $9,906.48 -
940367B Y-Pattern Swing Check Valve, 2 in Nominal, C x C, Cast Brass Body, Domestic
Sale price $306.65Regular price $511.09 -
962012LW Swing Check Valve with Outside L/W, 12 in Nominal, Flanged, Ductile Iron Body
Sale price $8,349.82Regular price $13,916.37 -
962012UL Swing Check Valve with Outside L/W, 12 in Nominal, Flanged, Ductile Iron Body
Sale price $6,359.59Regular price $10,599.32 -
962010 Swing Check Valve, 10 in Nominal, Flanged, Ductile Iron Body, Import
Sale price $2,483.05Regular price $4,138.42 -
940366B Y-Pattern Swing Check Valve, 1-1/2 in Nominal, C x C, Cast Brass Body, Domestic
Sale price $221.43Regular price $369.05 -
962010LW Swing Check Valve with Outside L/W, 10 in Nominal, Flanged, Ductile Iron Body
Sale price $6,123.06Regular price $10,205.10 -
940356B Y-Pattern Swing Check Valve, 1-1/2-in Nominal, FNPT, Bronze Body, Domestic
Sale price $306.19Regular price $510.32 -
962010UL Swing Check Valve with Outside L/W, 10 in Nominal, Flanged, Ductile Iron Body
Sale price $3,871.97Regular price $6,453.29 -
940360 Swing Check Valve, 4 in Nominal, FPT, C85700 Brass Body, Import
Regular price $1,095.17 -
962008 Swing Check Valve, 8 in Nominal, Flanged, Ductile Iron Body, Import
Sale price $3,730.31Regular price $6,217.18 -
940358 Swing Check Valve, 2-1/2 in Nominal, FPT, C85700 Brass Body, Import
Regular price $493.41 -
949356 Swing Check Valve, 1-1/4 in Nominal, FPT, CF8M 316 Stainless Steel Body, Import
Sale price $121.08Regular price $201.80 -
96208LW Swing Check Valve with Outside L/W, 8 in Nominal, Flanged, Ductile Iron Body
Sale price $4,024.16Regular price $6,706.94 -
96208UL Swing Check Valve with Outside L/W, 8 in Nominal, Flanged, Ductile Iron Body
Sale price $2,889.16Regular price $4,815.27 -
940357B Y-Pattern Swing Check Valve, 2-in Nominal, FNPT, Bronze Body, Domestic
Sale price $411.90Regular price $686.50 -
962006 Swing Check Valve, 6 in Nominal, Flanged, Ductile Iron Body, Import
Sale price $2,423.57Regular price $4,039.29 -
949358 Swing Check Valve, 2 in Nominal, FPT, CF8M 316 Stainless Steel Body, Import
Sale price $238.02Regular price $396.70 -
96206LW Swing Check Valve with Outside L/W, 6 in Nominal, Flanged, Ductile Iron Body
Sale price $2,477.97Regular price $4,129.95 -
940359 Swing Check Valve, 3 in Nominal, FPT, C85700 Brass Body, Import
Regular price $717.00 -
96206UL Swing Check Valve with Outside L/W, 6 in Nominal, Flanged, Ductile Iron Body
Sale price $1,645.13Regular price $2,741.89 -
96204LW Swing Check Valve with Outside L/W, 4 in Nominal, Flanged, Ductile Iron Body
Sale price $1,624.81Regular price $2,708.01 -
940358B Y-Pattern Swing Check Valve, 2-1/2 in Nominal, FPT, Cast Brass Body, Domestic
Sale price $720.29Regular price $1,200.49 -
962004 Swing Check Valve, 4 in Nominal, Flanged, Ductile Iron Body, Import
Sale price $1,371.35Regular price $2,285.59 -
96204UL Swing Check Valve with Outside L/W, 4 in Nominal, Flanged, Ductile Iron Body
Sale price $1,348.84Regular price $2,248.06 -
96203LW Swing Check Valve with Outside L/W, 3-in Nominal, Flanged, Ductile Iron Body
Sale price $1,041.07Regular price $1,735.11 -
962003 Swing Check Valve, 3 in Nominal, Flanged, Ductile Iron Body, Import
Sale price $905.53Regular price $1,509.21 -
96203UL Swing Check Valve with Outside L/W, 3-in Nominal, Flanged, Ductile Iron Body
Sale price $827.82Regular price $1,379.70 -
940357 Swing Check Valve, 2 in Nominal, FPT, C85700 Brass Body, Import
Regular price $267.49 -
940355B Y-Pattern Swing Check Valve, 1-1/4-in Nominal, FNPT, Bronze Body, Domestic
Sale price $268.25Regular price $447.09 -
940365B Y-Pattern Swing Check Valve, 1-1/4 in Nominal, C x C, Cast Brass Body, Domestic
Sale price $214.86Regular price $358.10 -
940356 Swing Check Valve, 1-1/2 in Nominal, FPT, C85700 Brass Body, Import
Regular price $190.96 -
940355 Swing Check Valve, 1-1/4 in Nominal, FPT, C85700 Brass Body, Import
Regular price $131.09 -
940354B Y-Pattern Swing Check Valve, 1-in Nominal, FNPT, Bronze Body, Domestic
Sale price $173.60Regular price $289.34 -
940364B Y-Pattern Swing Check Valve, 1 in Nominal, C x C, Cast Brass Body, Domestic
Sale price $123.11Regular price $205.18 -
949355 Swing Check Valve, 1 in Nominal, FPT, CF8M 316 Stainless Steel Body, Import
Sale price $100.66Regular price $167.77 -
940353B Y-Pattern Swing Check Valve, 3/4-in Nominal, FNPT, Bronze Body, Domestic
Sale price $137.23Regular price $228.72 -
940363B Y-Pattern Swing Check Valve, 3/4 in Nominal, C x C, Cast Brass Body, Domestic
Sale price $96.08Regular price $160.14 -
940354 Swing Check Valve, 1 in Nominal, FPT, C85700 Brass Body, Import
Regular price $81.09 -
949354 Swing Check Valve, 3/4 in Nominal, FPT, CF8M 316 Stainless Steel Body, Import
Sale price $80.93Regular price $134.89 -
940352B Y-Pattern Swing Check Valve, 1/2-in Nominal, FNPT, Bronze Body, Domestic
Sale price $102.16Regular price $170.27 -
940353 Swing Check Valve, 3/4 in Nominal, FPT, C85700 Brass Body, Import
Regular price $58.27 -
940362B Y-Pattern Swing Check Valve, 1/2 in Nominal, C x C, Cast Brass Body, Domestic
Sale price $79.31Regular price $132.18 -
949353 Swing Check Valve, 1/2 in Nominal, FPT, CF8M 316 Stainless Steel Body, Import
Sale price $63.76Regular price $106.26 -
940351B Y-Pattern Swing Check Valve, 3/8-in Nominal, FNPT, Bronze Body, Domestic
Sale price $87.23Regular price $145.39 -
940352 Swing Check Valve, 1/2 in Nominal, FPT, C85700 Brass Body, Import
Regular price $59.88
