Check valves 4 Size
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![Titan CV31WFIIBB0400 4" | Check Valve | Cast Iron | ANSI Class 125 | Full Body Swing Check (with weight/lever) | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/cv31wf-ci_0c3559e2-e10a-4514-93b9-387cd501e5ad_medium.jpg?v=1720029435)
CV31WFIIBB0400 | 4" | Check Valve | Cast Iron | ANSI Class 125 | Full Body Swing Check (with weight / lever) | Titan
Brand: Titan
SKU: CV31WFIIBB0400
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![Spears 5420-040 4 PVC BUTTERFLY CHECK VALVE WAFER EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/bfchkwfr_new_0a88cb47-ccc8-46f2-98de-735cfa89f83d_medium.jpg?v=1720026613)
5420-040 | 4 PVC BUTTERFLY CHECK VALVE WAFER EPDM | (PG:289) Spears
Brand: Spears
SKU: 5420-040
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![Spears 4523-040 4 PVC TRUE UNION 2000 INDUSTRIAL BALL CHECK FLANGED EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/tu2000ballcheck04-20-00colorized_5ae4489a-fa9a-4702-8de9-3e3802ebd922_medium.jpg?v=1720026037)
4523-040 | 4 PVC TRUE UNION 2000 INDUSTRIAL BALL CHECK FLANGED EPDM | (PG:605) Spears
Brand: Spears
SKU: 4523-040
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![Jomar 210-231 S-701 | 4" | PVC | Schedule 80 | Solvent Connection | 150 WOG | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/s-701_6d298125-365d-44b8-98d2-18b688e1af70_medium.jpg?v=1720012297)
210-231 | S-701 | 4" | PVC | Schedule 80 | Solvent Connection | 150 WOG | Jomar
Brand: Jomar
SKU: 210-231
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![Chicago Valves 41611040 4" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_96ce36f5-c724-4c1d-a114-db3ff85d7a61_medium.png?v=1720033345)
41611040 | 4" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611040
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![Chicago Valves 41411040 4" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_a10e9086-51ab-47fc-9de5-cb3bd27c7745_medium.png?v=1720033342)
41411040 | 4" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411040
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![Spears YS2BP8-040SR 4 PVC TRUE UNION WYE STRAINER SR/FPT EPDM P80MESH | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/pvctu_y-strainervalvecolorized_86a29026-0474-4101-84d0-7747c7fd6513_medium.jpg?v=1720027716)
YS2BP8-040SR | 4 PVC TRUE UNION WYE STRAINER SR / FPT EPDM P80MESH | (PG:102) Spears
Brand: Spears
SKU: YS2BP8-040SR
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![Spears S1780C40 4 PVC CL TRUE UNION UTILITY SPG CHK VALVE SOCKET EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_d9fb5849-e3d9-44ac-8abb-268f5f44f017_medium.jpg?v=1720027681)
S1780C40 | 4 PVC CL TRUE UNION UTILITY SPG CHK VALVE SOCKET EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780C40
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![Spears S1780-40FSR 4 PVC TRUE UNION UTILITY SPRG CHK VALVE REINFORCED THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_020ad405-6975-41e2-a8f4-3a1758e02898_medium.jpg?v=1720027677)
S1780-40FSR | 4 PVC TRUE UNION UTILITY SPRG CHK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780-40FSR
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![Spears S1580C40FSR 4 PVC CL UTILITY SPRG CHK VALVE REINFORCED THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_eb4c2052-54f0-4d98-8637-a4acfe6fa3c4_medium.jpg?v=1720027676)
S1580C40FSR | 4 PVC CL UTILITY SPRG CHK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1580C40FSR
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![Spears S1720-40 4 PVC TRUE UNION UTILITY SWING CHECK VALVE SOCKET EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_50ee29fc-75e1-4781-a327-db4e2b1310a5_medium.jpg?v=1720027674)
S1720-40 | 4 PVC TRUE UNION UTILITY SWING CHECK VALVE SOCKET EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-40
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S1780-40 | 4 PVC TRUE UNION UTILITY SPRG CHK VALVE SOCKET EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780-40
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![Spears S1780-40F 4 PVC TRUE UNION UTILITY SPRG CHK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_603f7a11-f72f-40fe-af82-69cd25dc82e3_medium.jpg?v=1720027671)
S1780-40F | 4 PVC TRUE UNION UTILITY SPRG CHK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780-40F
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![Spears S1720C40FSR 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE REINFORCED THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_9fe87e4a-1926-4cce-a381-93d87246b12a_medium.jpg?v=1720027670)
S1720C40FSR | 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C40FSR
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![Spears S1780C40FSR 4 PVC CL TRUE UNION UTLTY SPG CHK VALVE REINFORCED THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_2c10ee53-e413-4ef1-a72d-6e55fa558588_medium.jpg?v=1720027669)
S1780C40FSR | 4 PVC CL TRUE UNION UTLTY SPG CHK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780C40FSR
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![Spears S1720-40F 4 PVC TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_cf624776-f89f-48c3-8db2-54cd1df72843_medium.jpg?v=1720027668)
S1720-40F | 4 PVC TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-40F
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![Spears S1780C40F 4 PVC CL TRUE UNION UTILITY SPG CHK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_5063c446-f39e-4605-ae48-b2d9400fb444_medium.jpg?v=1720027667)
S1780C40F | 4 PVC CL TRUE UNION UTILITY SPG CHK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780C40F
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S1720C40F | 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C40F
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![Spears S1720C40 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE SOCKET EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_1e907f9f-0eab-4f75-86cd-30e6bd6745e0_medium.jpg?v=1720027658)
S1720C40 | 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE SOCKET EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C40
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![Spears S1720-40FSR 4 PVC TRUE UNION UTILITY SWH CHK VALVE REINFORCED THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_c70a7347-1e15-4203-9019-3bc689ac910c_medium.jpg?v=1720027659)
S1720-40FSR | 4 PVC TRUE UNION UTILITY SWH CHK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-40FSR
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![Spears S1520C40FSR 4 PVC CL UTILIY SWING CHK VALVE REINFORCED THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_8534370f-2cac-444e-bcfc-5769d0301755_medium.jpg?v=1720027652)
S1520C40FSR | 4 PVC CL UTILIY SWING CHK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1520C40FSR
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S1580-40FSR | 4 PVC UTILITY SPRNG CHECK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1580-40FSR
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S1520-40FSR | 4 PVC UTILITY SWING CHECK VALVE REINFORCED THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1520-40FSR
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![Spears CK2-ERK-040 4 EPDM TRUE UNION 2000 BALL CHECK VALVE REPAIR KIT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/asr_stem_handle_removal-flat_685cf206-9e18-47d2-97d9-b891cfd765c1_medium.png?v=1720027554)
CK2-ERK-040 | 4 EPDM TRUE UNION 2000 BALL CHECK VALVE REPAIR KIT | (PG:299) Spears
Brand: Spears
SKU: CK2-ERK-040
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