Pressure & flow control valves 3/8 in Pipe size
We offer a wide variety of pressure and flow control valves from top-notch manufacturers such as Hayward and Bell & Gossett. 300+ products available!
View Details
![Hayward RPV2037TPV1 3/8" CPVC Pressure Relief Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV2025TPV1_a9f891f6-1af0-4d4b-9124-280e83006df0_medium.png?v=1715613411)
RPV2037TPV1 | 3 / 8" CPVC Pressure Relief Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: RPV2037TPV1
View Details
![Hayward RPV1037TPV1 3/8" PVC Pressure Relief Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV2025TPV1_642b4ead-025e-4b70-ad8f-e25430de6900_medium.png?v=1715613370)
RPV1037TPV1 | 3 / 8" PVC Pressure Relief Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: RPV1037TPV1
View Details
![Hayward PBV2037TPV1 3/8" CPVC Back Pressure Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV2025TPV1_medium.png?v=1715613261)
PBV2037TPV1 | 3 / 8" CPVC Back Pressure Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: PBV2037TPV1
View Details
![Hayward PBV1037TPV1 3/8" PVC Back Pressure Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV1025TPV1_medium.png?v=1715613262)
PBV1037TPV1 | 3 / 8" PVC Back Pressure Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: PBV1037TPV1
View Details
![Hayward RPV5037TPE1 3/8" PVDF Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_7b6a1006-f6f6-4788-ac6d-bbfffe608f8c_medium.png?v=1715613468)
RPV5037TPE1 | 3 / 8" PVDF Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV5037TPE1
View Details
![Hayward RPV3037TPE1 3/8" PP Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_3ad1bee9-5a64-4a56-af61-bccbeb0708bb_medium.png?v=1715613442)
RPV3037TPE1 | 3 / 8" PP Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV3037TPE1
View Details
![Hayward RPV2037TPE1 3/8" CPVC Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_d8c89173-2342-454a-807e-ab3979534ccc_medium.png?v=1715613339)
RPV2037TPE1 | 3 / 8" CPVC Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV2037TPE1
View Details
![Hayward RPV1037TPE1 3/8" PVC Pressure Relief Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RPV_Series_Pressure_Relief_Valves_Hero_ecom_3e3e_dd84618b-88b9-45d0-bfea-e332bd90dfdc_medium.png?v=1715613423)
RPV1037TPE1 | 3 / 8" PVC Pressure Relief Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: RPV1037TPE1
View Details
![Hayward PBV5037TPE1 3/8" PVDF Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_PVDF_FNPT_Hero_ecom_6d30_50892f02-5844-4040-95dd-994ed6a2d7c3_medium.png?v=1715613265)
PBV5037TPE1 | 3 / 8" PVDF Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV5037TPE1
View Details
![Hayward PBV3037TPE1 3/8" PP Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_Hero_ecom_3a63_fc95cde8-d0a7-41ee-b3cb-869f4c4359c4_medium.png?v=1715613265)
PBV3037TPE1 | 3 / 8" PP Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV3037TPE1
View Details
![Hayward PBV2037TPE1 3/8" CPVC Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_CPVC_FNPT_Hero_ecom_efab_1f5675ce-03c8-4fc8-be0a-c80c2f678015_medium.png?v=1715613276)
PBV2037TPE1 | 3 / 8" CPVC Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV2037TPE1
View Details
![Hayward PBV1037TPE1 3/8" PVC Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_PVC_FNPT_Hero_ecom_ff28_02df0e50-00e7-4b38-b064-b56bb4eb46a4_medium.png?v=1715613268)
PBV1037TPE1 | 3 / 8" PVC Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV1037TPE1
View Details
![Hayward NVA5037T 3/8" PVDF Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_f59fef85-b88c-445b-9b55-ca5d49b1568b_medium.png?v=1715613250)
NVA5037T | 3 / 8" PVDF Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA5037T
View Details
![Hayward NVA4037T 3/8" GFPP Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_6efaab9e-ba91-400f-a0f4-2167062e0baf_medium.png?v=1715613254)
NVA4037T | 3 / 8" GFPP Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA4037T
View Details
![Hayward NVA2037T 3/8" CPVC Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_712ba912-310a-4e64-b1de-f67302cc0c46_medium.png?v=1715613270)
NVA2037T | 3 / 8" CPVC Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA2037T
View Details
![Hayward NVA1037T 3/8" PVC Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_2e9f6809-b41c-4900-a12b-79f314de8aaa_medium.png?v=1715613247)
NVA1037T | 3 / 8" PVC Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA1037T
Committed to customer satisfaction
as experts in Pressure & Flow Control Valves
Recently Viewed
Popular Products
View all →![Belimo B225+LF24 US CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CCV_B2_LF-product_retina_3fbd095f-a5f1-4cd4-b517-360e2212ace0_large.jpg?v=1714682628)
B225+LF24 US | CCV | 1" | 2 Way | 30 Cv | w/ Spg Rtn | 24V | On/Off | Belimo
Brand: Belimo
SKU: B225+LF24 US![Belimo FSLF120 Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/FSLF120-US-web_6408290e-3072-4355-b6e3-2293301e7f49_large.png?v=1714683603)
FSLF120 | Fire & Smoke Actuator | 30 in-lb | Spg Rtn | 120V | On/Off | 1m Cable | Belimo
Brand: Belimo
SKU: FSLF120![Veris PX3ULX05 Pressure | Dry | Univ | LCD | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PX3ULX05_41b5f7ba-fcb9-4030-b9e2-5f875437e874_large.jpg?v=1706643800)
PX3ULX05 | Pressure | Dry | Univ | LCD | Veris
Brand: Veris
SKU: PX3ULX05![Belimo ZS-CCV-90 CCV Weather Shield Kit AF/NF/LF | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/ZS_CCV_110_100_90-product_retina_37823702-102e-423b-96e0-cc201217cda6_large.jpg?v=1714684555)
ZS-CCV-90 | CCV Weather Shield Kit AF/NF/LF | Belimo
Brand: Belimo
SKU: ZS-CCV-90![Saginaw SCE-60EL2418FS NEMA 3R, 12, 4 | EL FS Enclosure, 60H x 24W x 18D | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/sce-60el2418fs_large.png?v=1692624120)
SCE-60EL2418FS | NEMA 3R, 12, 4 | EL FS Enclosure, 60H x 24W x 18D | Saginaw
Brand: Saginaw
SKU: SCE-60EL2418FS![Veris E50C2 DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_large.jpg?v=1717613716)
E50C2 | DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E50C2![Veris MX1B Moisture | Battery | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/MX1B_large.jpg?v=1692624163)
MX1B | Moisture | Battery | Veris
Brand: Veris
SKU: MX1B![Veris H971 Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/H971_2713e501-214a-425b-84fa-558ce4a2feb2_large.jpg?v=1717708350)
H971 | Current Sensor | DC | Split | 0-200A | Pulse Reset | Bi-Directional | Veris
Brand: Veris
SKU: H971