These valves have revolutionized the installation of circulator pumps. Our original Isolator uni-flange ball valve design has evolved into the largest flanged ball valve program in the industry today.

Webstone The Isolator Uni-Flange Ball Valve, Series: 5040, 3/4 in Nominal, Sweat x Flanged Connection, 3/4 in Opening, Lever Operator, 600 lb/sq-in WOG Pressure, 100 deg F, Forged Brass, Chrome-Plated Steel Handle, Brass Packing Material, PTFE Stem Seal, PTFE Seat, Brass Stem, Chrome-Plated Brass Ball Trim, 2-9/16 in L

• With adjustable packing gland nut and bolt
• Conical inlet to minimize turbulence
• Slotted holes for high velocity pumps
• Fits virtually any circulator pump
• Designed for residential, commercial or industrial use with water or a glycol mixture
• Valve is actuated by blowout-proof stem and features an adjustable packing gland
• Flange features a conical inlet to minimize turbulence
• Other solder materials have lower pressure/temperature limits
• Do not silver braze or over heat valves when soldering
• Brass end cap, stainless steel handle nut, vinyl handle jacket, steel zinc-plated flange bolts and nuts
• Fit both standard and high velocity pumps

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/Webstone_H_50416HV_Catalog.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Webstone_H_50403HV_Specification_Sheet.pdf