Valves Thread Contruction
![Image for Check Valves](http://blackhawksupply.com/cdn/shop/files/E-521G_72c6292d-0abd-4be4-afc1-4750f9eba4be_100x.jpg?v=1720012243)
![Image for Ball Valves](http://blackhawksupply.com/cdn/shop/files/175-lwn_b_045e4406-5323-47e2-af3c-3105aa701cf8_100x.jpg?v=1720012330)
![Image for Balancing Valves](http://blackhawksupply.com/cdn/shop/files/MMFC8NPT_d99b2dea-9f20-4f08-9d85-fb2159e9590f_100x.jpg?v=1720017104)
![Image for Mixing Valves](http://blackhawksupply.com/cdn/shop/files/IMG323944471722_preview_100x.jpg?v=1719997530)
![Image for Solenoid Valves](http://blackhawksupply.com/cdn/shop/files/2-Position-3-Way-Plastic-Manual-Valves_ed7bdae0-80e5-416e-b55a-55d0672d98a1_100x.jpg?v=1719981280)
![Image for Valve Accessories](http://blackhawksupply.com/cdn/shop/files/zbd-af2-web_34343e48-0173-4e26-a4e1-2e2282ad9975_100x.png?v=1720004366)
![Image for Butterfly Valves](http://blackhawksupply.com/cdn/shop/files/bfv-gear_f5e15c2c-bb47-40bf-a411-344243af6bed_100x.jpg?v=1720012451)
![Image for Pressure Independent Valves](http://blackhawksupply.com/cdn/shop/files/Pneu_Act_Diapgm_Vlv_PVC_11ffe151-b9ab-4cbe-be5a-aa522d77daa9_100x.png?v=1720027440)
![Image for Diverter Valves](http://blackhawksupply.com/cdn/shop/files/horizontaldivertervalvecolorized_23ecba00-5a17-4a24-9476-9a2468670016_100x.jpg?v=1720026505)
![Image for Control Valves](http://blackhawksupply.com/cdn/shop/files/899-701_4199b814-4838-4e65-ab08-9da76cc17f70_100x.png?v=1720012411)
![Image for Flow Control Valves](http://blackhawksupply.com/cdn/shop/files/lfmc_1000x1000_316f0f79-c5ce-478f-8fcc-605e1d46e527_100x.gif?v=1719999183)
![Image for Air Valves](http://blackhawksupply.com/cdn/shop/files/46257_100x.jpg?v=1720013589)
![Image for Manifold Valves](http://blackhawksupply.com/cdn/shop/files/graco-logo_28b2ed21-d28b-4700-b347-f96e12c36efb_100x.png?v=1719987884)
![Image for Globe Valves](http://blackhawksupply.com/cdn/shop/files/SS_20Lever_20Handle_b506c951-10cf-4817-95be-88a8bcae6d6f_100x.jpg?v=1720012375)
![Image for Gate Valves](http://blackhawksupply.com/cdn/shop/files/599-03131_100x.jpg?v=1720022663)
![Image for Valve Parts](http://blackhawksupply.com/cdn/shop/files/V-9999-608_11115731-69f9-4cb2-98b9-f5e07dadef2a_100x.png?v=1720007148)
![Image for Pressure Relief Valves](http://blackhawksupply.com/cdn/shop/files/bellgossett-110763_d406ed87-df58-444e-89d7-eccadf29b86a_100x.jpg?v=1720004622)
![Image for Needle Valves](http://blackhawksupply.com/cdn/shop/files/46060_eca2cb5a-c995-4fce-adab-ae0db92cf594_100x.jpg?v=1720015300)
![Image for Pressure Valves](http://blackhawksupply.com/cdn/shop/files/IMG330755319566_preview_aa252391-bb38-4f85-94d8-d62e2923e7d2_100x.jpg?v=1719997460)
![Image for Shut-Off Valves](http://blackhawksupply.com/cdn/shop/files/aav_56bf8f09-20b7-4bfd-b583-74487013e50e_100x.jpg?v=1720012404)
![Image for Strainers](http://blackhawksupply.com/cdn/shop/files/YS_SR_2cc7dde9-fbcb-4a8c-be40-c937b69c99b4_100x.png?v=1720041378)
![Image for Diaphragm Valves](http://blackhawksupply.com/cdn/shop/files/flgd-valve_smoothwheelcolorized_dd85429d-93de-4552-bf05-d2a69d5b4a1e_100x.jpg?v=1720025604)
![Image for Angle Valves](http://blackhawksupply.com/cdn/shop/files/696777_16aee520-9588-4a11-a861-02d2ed80bd8b_100x.jpg?v=1720027780)
![Image for Filter Vessels](http://blackhawksupply.com/cdn/shop/files/CFLV_Series_Cartridge_Filters_Hero_copy_ecom_d8dd_f124c40b-174f-4385-9187-0b59b724f576_100x.png?v=1719989566)
![Image for Filter Housings](http://blackhawksupply.com/cdn/shop/files/FLV_Series_Bag_Filters_GFPP_GFPP_Double_Length_Threaded_Simplex_Hero_ecom_7830_0093b855-af00-4dce-b050-e1c0a038572a_100x.png?v=1719989800)
![Image for Back Pressure Valves](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_PVC_FNPT_Hero_ecom_ff28_6f8914bc-abf9-4a52-ab63-b6264187b2ff_100x.png?v=1719989969)
![Image for Boiler Drains](http://blackhawksupply.com/cdn/shop/files/du-bif_eec59fb3-2860-4d98-b104-c3ea7a8adb27_100x.jpg?v=1720012402)
![Image for Stop Valves](http://blackhawksupply.com/cdn/shop/files/46153_09c5a09f-97fa-4ec8-af7d-febdd826e1c9_100x.jpg?v=1720015290)
![Image for Specialty Valves](http://blackhawksupply.com/cdn/shop/files/46256_c92041e6-a79e-476a-8f00-665a593c9886_100x.jpg?v=1720015314)
![Image for PVC Valves](http://blackhawksupply.com/cdn/shop/files/y-patternvalveview2colorized_a56b632c-3f90-4102-a685-a1425e0136e0_100x.jpg?v=1720025335)
![Image for Steam Traps](http://blackhawksupply.com/cdn/shop/files/31100_352abc05-0ed2-4b50-98fb-b99f7707d1ce_100x.jpg?v=1720024894)
![Image for Pressure Control Valves](http://blackhawksupply.com/cdn/shop/files/spears_logo_c1e4402e-b0f2-46b0-9cd4-fe7f66a74dd3_100x.jpg?v=1720041666)
![Image for Vacuum Valves](http://blackhawksupply.com/cdn/shop/files/wika_logo_636a2abe-a294-48d4-a321-fecbeda9c6c0_100x.png?v=1720031607)
![Image for Instrumentation Valves](http://blackhawksupply.com/cdn/shop/files/wika_logo_6d4b942a-fee2-43f9-a2aa-fbfd12a39e4e_100x.png?v=1720030652)
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![Spears S1720C15F 1-1/2 PVC CL TRUE UNION UTLTY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_117fa7b4-939a-42df-a8a0-450bc41dd61e_medium.jpg?v=1720027672)
S1720C15F | 1-1 / 2 PVC CL TRUE UNION UTLTY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C15F
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![Spears S1780C20F 2 PVC CL TRUE UNION UTILITY SPG CHK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_663cf9b4-cf14-4592-b1e1-590211e4e94a_medium.jpg?v=1720027672)
S1780C20F | 2 PVC CL TRUE UNION UTILITY SPG CHK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780C20F
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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 S1720C05F 1/2 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_95b8c6e2-80fa-4194-8638-5ad3033ba6f0_medium.jpg?v=1720027670)
S1720C05F | 1 / 2 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C05F
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![Spears S1720-30F 3 PVC TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_ca672e31-103e-4c07-b5f4-ae8404088b80_medium.jpg?v=1720027680)
S1720-30F | 3 PVC TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-30F
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![Spears S1720-10F 1 PVC TRUE UNION UTILITY SWING CHK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_01e72a9b-dbbc-4b31-9056-d735dc91e1cf_medium.jpg?v=1720027670)
S1720-10F | 1 PVC TRUE UNION UTILITY SWING CHK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-10F
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![Spears S1780C25F 2-1/2 PVC CL TRUE UNION UTLTY SP CK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_96c054dd-040c-4c00-9582-fdc12d87a392_medium.jpg?v=1720027667)
S1780C25F | 2-1 / 2 PVC CL TRUE UNION UTLTY SP CK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780C25F
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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 S1780C12F 1-1/4 PVC CL TRUE UNION UTLTY SP CK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_5e7a7609-7ead-48a0-bed2-f1ba72026e4d_medium.jpg?v=1720027667)
S1780C12F | 1-1 / 4 PVC CL TRUE UNION UTLTY SP CK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780C12F
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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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![Spears S1720C12F 1-1/4 PVC CL TRUE UNION UTLTY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_ac6486a0-2715-407c-a663-c322f93af36a_medium.jpg?v=1720027666)
S1720C12F | 1-1 / 4 PVC CL TRUE UNION UTLTY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C12F
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![Spears S1780-10F 1 PVC TRUE UNION UTILITY SPRG CHK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_4762d214-3aa9-450a-9857-e1cbe1634229_medium.jpg?v=1720027663)
S1780-10F | 1 PVC TRUE UNION UTILITY SPRG CHK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780-10F
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![Spears S1780-15F 1-1/2 PVC TRUE UNION UTILITY SPR CK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_008afec5-7f8c-4219-ae4b-f9680e7108d2_medium.jpg?v=1720027662)
S1780-15F | 1-1 / 2 PVC TRUE UNION UTILITY SPR CK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780-15F
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![Spears S1720C25F 2-1/2 PVC CL TRUE UNION UTLTY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_c3804dc3-365c-4f16-a7e8-8a4216e75bff_medium.jpg?v=1720027664)
S1720C25F | 2-1 / 2 PVC CL TRUE UNION UTLTY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C25F
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![Spears S1780-12F 1-1/4 PVC TRUE UNION UTILITY SPR CK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_aa918db4-bdff-464c-a721-7a5aaf9c9807_medium.jpg?v=1720027662)
S1780-12F | 1-1 / 4 PVC TRUE UNION UTILITY SPR CK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1780-12F
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![Spears S1720C07F 3/4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_ce744e06-231c-40ee-abe1-2cb41ca3c719_medium.jpg?v=1720027661)
S1720C07F | 3 / 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C07F
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![Spears S1720C40F 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_2f6b53e8-c95c-46f1-abd2-d444efd5a712_medium.jpg?v=1720027659)
S1720C40F | 4 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C40F
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![Spears S1720-15F 1-1/2 PVC TRUE UNION UTILIY SWG CK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_400ea6c1-f0c1-498e-aff5-00ebc774170f_medium.jpg?v=1720027662)
S1720-15F | 1-1 / 2 PVC TRUE UNION UTILIY SWG CK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-15F
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![Spears S1720C30F 3 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_8ab6c3f7-492e-4d14-af3e-c00af940ad86_medium.jpg?v=1720027658)
S1720C30F | 3 PVC CL TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720C30F
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![Spears S1720-05F 1/2 PVC TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_02108f9e-8375-4abe-b592-324b8ac780eb_medium.jpg?v=1720027658)
S1720-05F | 1 / 2 PVC TRUE UNION UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1720-05F
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![Spears S1520C07F 3/4 PVC CLEAR UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_b7cd5489-8217-496a-b9f4-ab870cf99c7f_medium.jpg?v=1720027654)
S1520C07F | 3 / 4 PVC CLEAR UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1520C07F
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![Spears S1520C05F 1/2 PVC CLEAR UTILITY SWING CHECK VALVE THREAD EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/swingcheckvalve_newforprefsup_de7807eb-43c2-40c1-bf9e-b156b6c43813_medium.jpg?v=1720027650)
S1520C05F | 1 / 2 PVC CLEAR UTILITY SWING CHECK VALVE THREAD EPDM | (PG:026) Spears
Brand: Spears
SKU: S1520C05F
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![Spears E1507-015C 1-1/2 CPVC COMPACT BALL VALVE FKM THREAD 115VAC N4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/av_cbvcolorized_152c03f0-bb03-4f79-8f45-118692bebae2_medium.jpg?v=1720027613)
E1507-015C | 1-1 / 2 CPVC COMPACT BALL VALVE FKM THREAD 115VAC N4X | (PG:498) Spears
Brand: Spears
SKU: E1507-015C
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![Spears E1506-015C 1-1/2 CPVC COMPACT BALL VALVE EPDM THREAD 115VAC 4X | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/av_cbvcolorized_e286e00e-b758-4bfe-adc4-243591ae0462_medium.jpg?v=1720027594)
E1506-015C | 1-1 / 2 CPVC COMPACT BALL VALVE EPDM THREAD 115VAC 4X | (PG:498) Spears
Brand: Spears
SKU: E1506-015C
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