Hydronic Flanges

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NIBCO 1 in. Brass Sweat Isolator Pump with Rotating Flange
NIBCO 1 in. Brass Sweat Isolator Pump with Rotating Flange
Item # 106884

The isolator is a uni-flange ball valve that isolates a circulator pump, allowing virtually no air into the system during pump replacement or service. Its innovative design combines multiple components into a single forged brass body that saves time, labor and space. The isolator has revolutionized the installation of circulator pumps and has evolved into the largest flanged ball valve program in the industry today, featuring patented technology with further patents pending. Designed for use with water, oil, glycol mix in residential or commercial residential plumbing, commercial plumbing, heating systems. Refer to specification sheets for additional technical information. All webstone products are backed by a limited lifetime warranty.

  • Easily isolates the pump for replacement
  • Prevents electrolysis and eliminates galvanic corrosion
  • Rotating flange is secured by a snug-fit snap-ring that provides greater control over positioning during installation
  • Flange features a conical inlet to minimize turbulence
  • Fits virtually any standard circulator pump
  • Valve is actuated by a blowout proof stem
  • Saves 18-minutes; replaces 3-components; eliminates 2-leak paths
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NIBCO 3/4 in. SWT Lead Free Isolator Ball Flange Valve with Multi-Function Drain and Rotating Flange
NIBCO 3/4 in. SWT Lead Free Isolator Ball Flange Valve with Multi-Function Drain and Rotating Flange
Item # 303136787

All of the features you trust from the original Isolator Uni-Flange ball valve, with two versatile enhancements. The 360 degree flange rotation allows for orientation to any degree necessary for your installation and a multi-function drain that permits draining from either side of the pump. This forged brass full port ball valve features a blow-out proof stem, adjustable packing glands, a hi-flow hose drain and stainless steel snap ring for extra stability during installation.

  • Conical inlet to minimize turbulence
  • Replaces 8 components, eliminates 7 leak paths, saves approximately one hour in labor
  • Fits virtually any standard circulator pump
  • Available with slotted holes for high velocity pumps
  • Prevents electrolysis
  • Eliminates galvanic corrosion
CLEARANCE
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Armstrong Pumps Standard Pump Flange Gasket-Set
Armstrong Pumps Standard Pump Flange Gasket-Set
Item # 523277

Standard Pump Flange Gasket. Gasket are available for all models. Long lasting and providing dielectric protection.

  • High quality
  • Factory replacement
  • Long lasting
  • Proven design
  • Fits Armstrong astro models
  • Fits Armstrong S and H models
  • Can be used on B and G models
  • Interchangeable with competing brands
  • Provides protection against leakage
  • Equal to B and G #118129
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NIBCO 3/4 in. Forged Brass Lead-Free Sweat Isolator Full Port Ball Valve with Rotating Flange and Adjustable Packing Gland
NIBCO 3/4 in. Forged Brass Lead-Free Sweat Isolator Full Port Ball Valve with Rotating Flange and Adjustable Packing Gland
Item # 303136792

All the features you trust from the original Isolator Uni-Flange ball valve, plus a 360 degree rotating flange that allows for orientation to any degree necessary for your installation. This forged brass full port ball valve features a blow-out proof stem, adjustable packing glands and a stainless steel snap ring for extra stability during installation. The only way to isolate circulator pumps.

  • 3/4 in. Inside Diameter and 0.875 in. Outside Diameter
  • Conical inlet to minimize turbulence
  • Replaces 3-components, eliminates 2-leak paths, saves approximately 20 minutes in labor
  • Fits virtually any standard circulator pump
  • Available with slotted holes for high velocity pumps
  • Prevents electrolysis
  • Eliminates galvanic corrosion
CLEARANCE
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Qty:

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Watts 3/4 in. Threaded Brass Isolation Pump Flange
Watts 3/4 in. Threaded Brass Isolation Pump Flange
Item # 789458

This 3/4 in. isolation pump flange is designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. It features a brass body and flange with bottom loaded blowout proof stem, Buna-N Stem O-Ring seal, virgin PTFE seat, and optional T-handle included. The pressure is rated 600 psi (41.4 BAR) WOG and the maximum temperature is 406 degree F (208 degree C) at 100 psi (6.9 BAR).

  • Brass body and flange
  • Buna-N stem and O-ring seal
  • NPT threaded end connection
  • Virgin PTFE seats
  • Optional T-handle included
  • Pressure rated at 600 psi
CLEARANCE
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