Hydronic Flanges

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Items per page: 24   48  
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Bell & Gossett 3/4 IN. BRONZE PUMP FLANGE
Bell & Gossett 3/4 IN. BRONZE PUMP FLANGE
Item # 523015

3-5/32" Centers

  • Fits B&G Series 100B,PRAB,NBF-22,NBF-12,NBF-36,PL-36B,PL-55B and Armstrong Astro 30 and S-25 Pumps
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Taco 3/4" FLANGE KIT
Taco 3/4" FLANGE KIT
Item # 953540

The Taco 3/4 in. Flanges (2-Pack) include mounting bolts. These flanges are designed for use with a Taco pump when installing a boiler for a heating system. The flanges are constructed in cast iron.

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1-1/4" FLANGE KIT
1-1/4" FLANGE KIT
Item # 953542

The Taco 1-1/4 in. Circulator Pump Flange features easy-on and easy-off control. This pump flange is made of cast iron. This flange is designed to fit almost all Taco circulators.

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Webstone ISOLATION PUMP FLANGE WITH ROTATING FLANGE, 1 IN. SWEAT
Webstone ISOLATION PUMP FLANGE WITH ROTATING FLANGE, 1 IN. SWEAT
Item # 106884
  • Designed to isolate circulator pumps during repairs or replacement
  • Pressure reated at 600 WOG - 150 WSP
  • Chrome plated solid brass ball with reinforced teflon seats
  • Full port for unrestricted flow
  • 1/4 turn ball valve operation
  • Not for potable
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GRUNDFOS 1 IN. THREADED FLANGE
GRUNDFOS 1 IN. THREADED FLANGE
Item # 100301

GRUNFOSS 1" THREADED FLANGE CAST IRON

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Armstrong Pumps 3/4 in. Cast Iron Circulator Flange Kit
Armstrong Pumps 3/4 in. Cast Iron Circulator Flange Kit
Item # 523140

3/4 cast iron circulator flange. Heavy-duty and can be used on competing models. Genuine factory replacement.

  • Universal type flange fits bell and Gossett 100 series, Armstrong Pumps
  • Fits Armstrong Astro 2 series
  • Can be used on B & G circulators
  • Factory replacement
  • Heavy-duty
  • Includes nuts and bolts
  • Includes gaskets
  • Fits on Armstrong S & H circulators
  • Fits taco "00" series
  • Fits Grundfos "UP" series
Units: Each
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Bell & Gossett 3/4 IN. IRON PUMP FLANGE
Bell & Gossett 3/4 IN. IRON PUMP FLANGE
Item # 523011

3-5/32" Centers

  • Fits B&G Series 100,PR,NRF-22,NRF-9,NRF-36,PL-36,PL-55 and Armstrong Astro 30 and S-25 Pumps
Units: Each
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Taco 1" FLANGE KIT
Taco 1" FLANGE KIT
Item # 953541

The Taco 1 in. Circulator Flanges (2-Pack) are the same color as a Taco pump. These flanges are made of cast iron for strength and durability. The set of 2 includes 4 nuts and 4 bolts.

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Watts 3/4 in. Threaded Brass Isolation Pump Flange
Watts 3/4 in. Threaded Brass Isolation Pump Flange
Item # 523106

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°F (208°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
Units: Each
Qty:

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3/4 in. Sweat Lead Free Isolator Ball Valve with Rotating Flange and Adjustable Packing Gland
3/4 in. Sweat Lead Free Isolator 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° 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.

  • 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
Units: Each
Qty:

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1 in. SWT Lead Free Isolator Ball Flange Valve with Multi-Function Drain and Rotating Flange
1 in. SWT Lead Free Isolator Ball Flange Valve with Multi-Function Drain and Rotating Flange
Item # 303136775

All of the features you trust from the original Isolator Uni-Flange ball valve, with two versatile enhancements. The 360° 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
Units: Each
Qty:

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Webstone ISOLATION PUMP FLANGE WITH ROTATING FLANGE, 3/4 IN. SWEAT
Webstone ISOLATION PUMP FLANGE WITH ROTATING FLANGE, 3/4 IN. SWEAT
Item # 106883
  • Designed to isolate circulator pumps during repairs or replacement
  • Pressure reated at 600 WOG - 150 WSP
  • Chrome plated solid brass ball with reinforced teflon seats
  • Full port for unrestricted flow
  • 1/4 turn ball valve operation
  • Not for potable water
Units: Each
Qty:

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3/4 in. SWT Lead Free Isolator Ball Flange Valve with Multi-Function Drain and Rotating Flange
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° 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
Units: Each
Qty:

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Watts Brass Isolation Pump Flange 1-1 /4 in. Sweat
Watts Brass Isolation Pump Flange 1-1 /4 in. Sweat
Item # 523103

Designed to isolate circulator pump during repairs or replacement. Pressure rated at 600 WOG. Chrome plated brass ball with virgin PTFE seats. Bottom loaded, blowout proof stem. 1/2 turn operation. Flange mounting holes 4-5/8 in. centers.

  • Fits most circulator pumps
  • Includes mounting nuts and bolts
  • Durable brass body and flange
  • High pressure rating (600 WOG for solder and threaded and 250 WOG for press)
  • Adjustable packing and gland
  • EPDM O-rings to avoid leaks at installation
  • Optional tee handle included
Units: Each
Qty:

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1 in. Threaded Lead Free Full Port Brass Uni-Flange Ball Valve with Rotating Flange and Adjustable Packing Gland
1 in. Threaded Lead Free Full Port Brass Uni-Flange Ball Valve with Rotating Flange and Adjustable Packing Gland
Item # 303136762

All the features you trust from the original Isolator Uni-Flange ball valve, plus a 360° 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.

  • 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
Units: Each
Qty:

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3/4 in. Threaded Lead Free Full Port Brass Uni-Flange Ball Valve with Rotating Flange and Adjustable Packing Gland
3/4 in. Threaded Lead Free Full Port Brass Uni-Flange Ball Valve with Rotating Flange and Adjustable Packing Gland
Item # 303136770

All the features you trust from the original Isolator Uni-Flange ball valve, plus a 360° 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.

  • 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
Units: Each
Qty:

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3/4 in. Threaded Lead Free Union Ball Drain Valve with Rotating Flange and Multi-Function Hose Drain
3/4 in. Threaded Lead Free Union Ball Drain Valve with Rotating Flange and Multi-Function Hose Drain
Item # 303136779

All of the features you trust from the original Isolator Uni-Flange ball valve, with two versatile enhancements. The 360° 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
Units: Each
Qty:

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Watts 1 in. Sweat Brass Isolation Pump Flange
Watts 1 in. Sweat Brass Isolation Pump Flange
Item # 523102

This 1 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, and virgin PTFE seat. Optional T-handle included.

  • Brass body and flange
  • Buna-N stem O-ring seal
  • Solder end connection
  • Virgin PTFE seats
  • Optional T-handle included
  • Helps with circulator pump replacement or repairs
Units: Each
Qty:

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1 in. Threaded Lead Free Union Ball Drain Valve with Rotating Flange and Multi-Function Hose Drain
1 in. Threaded Lead Free Union Ball Drain Valve with Rotating Flange and Multi-Function Hose Drain
Item # 303136763

All of the features you trust from the original Isolator Uni-Flange ball valve, with two versatile enhancements. The 360° 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
Units: Each
Qty:

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Armstrong Pumps 1 in. LF Bronze Circulator Pump Flange NPT
Armstrong Pumps 1 in. LF Bronze Circulator Pump Flange NPT
Item # 3575255

lead free bronze flange. Heavy duty construction. universal designs allows it to used with competing pumps.

  • Flange Lead Free Bronze - 1" NPT
  • Hardware kit is not included (i.e. gasket, nuts and bolts)
  • for use with potable water systems
  • heavy duty
Units: Each
Qty:

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1 in. Sweat Lead Free Isolator Ball Valve with Rotating Flange and Adjustable Packing Gland
1 in. Sweat Lead Free Isolator Ball Valve with Rotating Flange and Adjustable Packing Gland
Item # 303136786

All the features you trust from the original Isolator Uni-Flange ball valve, plus a 360° 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.

  • 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
Units: Each
Qty:

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Watts Brass Isolation Pump Flange 1 in. Threaded
Watts Brass Isolation Pump Flange 1 in. Threaded
Item # 523107

This 1 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°F (208°C) at 100 psi (6.9 BAR).

  • Brass body and flange
  • Buna-N stem O-ring seal
  • NPT threaded end connection
  • Virgin PTFE seats
  • Bottom loaded blowout proof stem
  • Optional T-handle included
  • Designed to isolate circulator pumps to facilitate circulator pump replacement or repairs
  • Pressure is rated 600 psi WOG
  • Maximum temperature is 406°F at 100 psi
  • 2-piece design constructed of brass body and end adaptor
Units: Each
Qty:

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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
Units: Each
Qty:

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GRUNDFOS CAST IRON FLANGE SET, 1-1/4"
GRUNDFOS CAST IRON FLANGE SET, 1-1/4"
Item # 108599

CAST IRON FLANGE SET, 1-1/4"

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