Accu-Flo Hydronic Balancing Valves For Balancing Flow to Terminal Units on Hydronic Systems ACUF-150-AC-2 1-1/2" Sweat Description: Fixed port venturi balancing provides accuracy 4-5 times greater than the standard valve Flow measurement independent of ball position Compact design Tamper resistant memory stop Positive shutoff for servicing system Built-in drain port Rated to 300 PSI, 250F 4 Ft./Sec. Res. Max. Flow: 24.0 GPM; 6 Ft./Sec. Com. Max. Flow: 36.0 GPM; Conn. Size: 1-1/2" Sweat; Cv: 28.30; Mfg. #: ACUF-150-AC-2; Min. Flow Rate: 6.0 GPM; Specifications: 6 Ft./Sec. Com. Max. Flow36.0 GPMConn. Size1-1/2" SweatCv28.30Min. Flow Rate6.0 GPM4 Ft./Sec. Res. Max. Flow24.0 GPM TERMS OF SALE: If, after receiving this item you discover that it was not the one you wanted, simply return it for a full refund within 3 days. You will have to pay for the return shipping charges. Refund is void if you have installed, used or damaged the item in any way. Item must be returned with its original box, packing materials and instructions (if applicable) Payment via PayPal must be received within 3 days of transaction and prior to shipping. SHIPPING: Free shipping only applies to the U.S. 50 States. All other regions/international locations will be charged for shipping based upon location. Please use the shipping calculator or request a shipping quote. International buyers: Customs fees, duties, taxes, tariffs other fees are your responsibility. Arrival time will depend on your location. If you have any questions, feel free to ask. Thank you for visiting!