Check valves Series 41 Series
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![Chicago Valves 41611110 10" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_68953cd1-3dda-4148-b0d8-d635abfbe47e_medium.png?v=1720033345)
41611110 | 10" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611110
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![Chicago Valves 41611080 8" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_96c10768-aef0-487d-8b34-8e7bb19bb505_medium.png?v=1720033345)
41611080 | 8" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611080
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![Chicago Valves 41611060 6" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_d92ccd85-ae32-4743-b42e-70c9e0548b3c_medium.png?v=1720033344)
41611060 | 6" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611060
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![Chicago Valves 41411120 12" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_4979614a-ef31-44b2-adc1-d46bf06728cc_medium.png?v=1720033344)
41411120 | 12" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411120
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![Chicago Valves 41611120 12" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_12c726a6-ab1e-45d5-9a94-3000f5745870_medium.png?v=1720033344)
41611120 | 12" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611120
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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 41611005 1/2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_91a7de88-d597-423e-966b-aafe8f09050f_medium.png?v=1720033344)
41611005 | 1 / 2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611005
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![Chicago Valves 41611030 3" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_965aca58-1e83-4e1b-9b91-20df3e362e23_medium.png?v=1720033343)
41611030 | 3" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611030
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![Chicago Valves 41611025 2-1/2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_ed7a0ea4-43b0-4402-9637-3531b61c46a2_medium.png?v=1720033343)
41611025 | 2-1 / 2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611025
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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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![Chicago Valves 41411030 3" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_10c6b01d-e15b-4bf7-91df-c79dbe0d63b2_medium.png?v=1720033341)
41411030 | 3" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411030
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![Chicago Valves 41611020 2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_a95ef595-4e94-4c58-88ae-6ff65cadd0b9_medium.png?v=1720033341)
41611020 | 2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611020
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![Chicago Valves 41611010 1" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_619cb25a-75d2-407f-8853-28b83a902e62_medium.png?v=1720033341)
41611010 | 1" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611010
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![Chicago Valves 41611015 1-1/2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_c2e28e8d-9035-4bc0-a832-355886653a47_medium.png?v=1720033336)
41611015 | 1-1 / 2" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611015
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![Chicago Valves 41411050 5" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_84638ebe-a072-47ab-8f88-407b47173bdc_medium.png?v=1720033338)
41411050 | 5" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411050
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![Chicago Valves 41411060 6" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_573d38fa-90f0-45c9-84cb-fc1fc5d966ed_medium.png?v=1720033336)
41411060 | 6" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411060
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![Chicago Valves 41411025 2-1/2" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_49630c64-962d-4ab7-8022-5929db50cc8e_medium.png?v=1720033337)
41411025 | 2-1 / 2" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411025
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![Chicago Valves 41411080 8" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_6f81981d-1acf-4d3f-b08d-7c066f530cf2_medium.png?v=1720033335)
41411080 | 8" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411080
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![Chicago Valves 41611006 3/4" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_bf71ee7c-afab-4415-84b8-ee409fc246d9_medium.png?v=1720033335)
41611006 | 3 / 4" STAINLESS STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41611006
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![Chicago Valves 41411020 2" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_eea7e2f2-e217-4504-9625-884e5f35559d_medium.png?v=1720033335)
41411020 | 2" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411020
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![Chicago Valves 41411100 10" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/SER.41-400x400_medium.png?v=1720033334)
41411100 | 10" CAST STEEL CLASS 150 FLANGED SWING CHECK VALVE | SERIES 41 | Chicago Valves
Brand: Chicago Valves
SKU: 41411100
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