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Round Expansion Tank Bracket Series for Water Heater & Hydronic Systems


The Easywell Round Expansion Tank Bracket Series delivers balanced strength, precision fit, and corrosion resistance for all types of expansion vessels used in residential, commercial, and industrial heating systems.
Each bracket is engineered for quick installation, heavy-load stability, and long-term resistance to temperature and vibration.

With variants from standard steel D42 models to corrosion-resistant industrial kits, Easywell provides reliable solutions for every hydronic configuration.


Why Choose a Round Expansion Tank Bracket?


  • Precision Round Clamp Design – Ensures perfect contact with cylindrical expansion tanks, minimizing stress and vibration.

  • Quick-Mount System – Adjustable bolt positions and pre-drilled wall plates simplify installation on any wall or manifold.

  • High-Strength Construction – Heavy-duty steel with zinc or epoxy coating resists pressure, humidity, and mechanical strain.

  • Modular Compatibility – Works with both vertical and horizontal tank orientations across hydronic and HVAC systems.

  • All-Weather Protection – Optional epoxy or anti-corrosion finishes designed for coastal, industrial, and renewable installations.


Category Overview by Application


Residential & Light Commercial Use

Designed for home water heaters and small heating systems. Compact yet robust structure.

Product NameKey FeatureMaterialPressureLink
Heavy-Duty Round Expansion Tank Bracket Kit for Residential HeatingEasy wall-mount, quick connect, compact frameSteel / zinc-coated≤10 barView Product
Heavy-Duty Round Expansion Tank Bracket for Residential HeatingPre-drilled base, standard Ø42 mm pipeSteel D42≤10 barView Product
Round Expansion Tank Bracket Kit (Steel D42)¾″ male outlet, compact structure for small tanksCarbon steel≤8 barView Product


Commercial & Hydronic Systems

Designed for larger hot-water or heating systems with multiple expansion tanks.

Product NameKey FeatureMaterialApplicationLink
Heavy-Duty Round Expansion Tank Bracket for Commercial HeatingLarge load capacity with vibration dampersZinc-coated steelCentral heating plantsView Product
Heavy-Duty Round Expansion Tank Bracket for Commercial Boiler RoomsHigh stability in mechanical roomsGalvanized carbon steelCommercial boilersView Product
Modular Round Expansion Tank Bracket Kit for Commercial HydronicsInterconnected modular system for large circuitsCarbon steelMulti-boiler setupsView Product


Industrial & High-Pressure Use

For high-demand environments such as boiler plants, factories, and industrial HVAC.

Product NameFeatureMaterialMax PressureLink
Heavy-Duty Round Expansion Tank Bracket Kit for Industrial UseReinforced pipe wall for high loadGalvanized steel≤10 barView Product
Corrosion-Resistant Round Expansion Tank Bracket for Industrial EnvironmentsEpoxy-coated for humid or chemical plantsStainless or epoxy-coated steel≤10 barView Product
Round Expansion Tank Bracket for Industrial BoilersHigh-strength structure for 100 L+ tanksSteel D42≤12 barView Product
Heavy-Duty Round Expansion Tank Bracket for Industrial BoilersReinforced wall flange with multi-port optionsGalvanized steel≤12 barView Product


Renewable Energy & All-Weather Systems

Specially coated models for solar, geothermal, or outdoor hydronic systems.

Product NameFeatureSurface FinishLink
All-Weather Round Expansion Tank Bracket Kit for Renewable EnergyUV & corrosion-resistant coatingEpoxy-coated carbon steelView Product
High-Strength Steel D42 Round Expansion Tank Bracket for HVAC SystemsHeavy-duty D42 pipe for heat pump unitsGalvanized / zinc platedView Product
Modular Round Expansion Tank Bracket Kit for Hydronic SystemsDesigned for modern hydronic manifoldsCarbon steelView Product


Detailed Structural Drawings & Technical Specifications of Round Expansion Tank Bracket Series


1. Round Expansion Tank Bracket Kit (Steel D42)

Technical Description:

This model features a 280 mm total frame length and a Ø42 × 2 mm round pipe body, offering stable support for mid-size expansion tanks.
It includes three connection ports — 50 mm offset inlet, 138 mm center spacing, and a 69 mm auxiliary valve gap, optimized for balanced mounting of safety valve, air vent, and pipe fitting.
Vertical connection height of 58 mm ensures strong wall alignment.

Caption:

Round Expansion Tank Bracket Kit (Steel D42) – 280 mm frame length with Ø42 × 2 mm pipe, ¾″ main outlet and ½″ auxiliary ports for hydronic heating systems.

round expansion tank bracket steel D42 280mm Ø42x2mm ¾ inch outlet ½ inch ports technical drawing


⚙️ 2. Round Expansion Tank Bracket Kit (Steel D42) with Pressure Gauge

Technical Description:

Enhanced with an integrated pressure gauge (0–10 bar), this kit provides real-time monitoring of system pressure.
Dimensions include a 280 mm total length, pipe diameter Ø42 mm, and connection spacing of 53–90–105 mm, allowing quick inline installation.
The 77 mm valve height and 73 mm gauge height deliver ergonomic visibility and safety control in confined mechanical spaces.

Caption:

Round Expansion Tank Bracket Kit (Steel D42) with Pressure Gauge – 280 mm length, Ø42 mm body, integrated 0–10 bar gauge and ¾″/½″/¼″ connection ports for easy monitoring.

round expansion tank bracket kit steel D42 280mm with pressure gauge ¾ ½ ¼ inch port


3. Round Expansion Tank Bracket (Steel D42)

Technical Description:

A precision-machined 275 mm length model with 89 × 75 mm wall plate and 4 mm flange thickness.
Features ¾″ inlets and outlets on both ends, with 3/8″ and ½″ threaded auxiliary ports located at 65 mm and 138 mm intervals.
Engineered for systems requiring compact, stable support and multi-directional fittings.

Caption:

Round Expansion Tank Bracket (Steel D42) – 275 mm body with ¾″ inlets, 3/8″ and ½″ auxiliary ports, and 4 mm wall plate for strong mounting in heating loops.

round expansion tank bracket steel D42 275mm ¾ ½ ⅜ inch port technical section


4. Heavy-Duty Round Expansion Tank Bracket for Industrial Systems


Technical Description:

Built for high-pressure applications with dual ¾″ outlets and reinforced 3 mm wall flange, total length 280 mm.
Threaded port spacing: 90 mm, 105 mm, with ½″, ⅜″, and ¼″ auxiliary connections for flexible integration of safety valves and sensors.
Wall plate measures 110 × 55 mm, compatible with industrial anchors.

Caption:

Heavy-Duty Round Expansion Tank Bracket for Industrial Systems – Dual ¾″ outlets, 280 mm frame, and reinforced 3 mm flange for heavy-duty boiler setups.

heavy duty round expansion tank bracket 280mm dual ¾ inch outlet 110x55mm wall plate


5. Corrosion-Resistant Round Expansion Tank Bracket for Industrial Environments

Technical Description:

Designed for aggressive or humid environments, this corrosion-resistant model uses epoxy-coated Ø42 mm steel.
The 280 mm body includes a 245 mm internal spacing, 13 mm top valve height, and 50 mm mounting offset.
Its sealed threaded side port ensures tight connection and leak prevention under high-humidity exposure.

Caption:

Corrosion-Resistant Round Expansion Tank Bracket – Epoxy-coated Ø42 mm pipe, 280 mm frame with sealed side port for chemical and humid industrial areas.

corrosion resistant round expansion tank bracket Ø42x2mm 280mm epoxy coated sealed port


6. Heavy-Duty Round Expansion Tank Bracket Kit for Industrial Use

Technical Description:

Reinforced variant with 280 mm total frame length and 195 mm spacing between connection centers for additional pipe flexibility.
Made from galvanized carbon steel Ø42 × 2 mm, this bracket features 13 mm valve offset, 57 mm outlet height, and 23 mm bottom spacing, ensuring stability under 10 bar working pressure.

Caption:

Heavy-Duty Round Expansion Tank Bracket Kit for Industrial Use – 280 mm body, Ø42 × 2 mm pipe, ¾″ outlet, 195 mm port spacing, ideal for large industrial hydronic systems.

heavy duty round expansion tank bracket kit 280mm Ø42x2mm ¾ inch outlet industrial

⚙️ Key Technical Advantages


  • Pipe size: Ø42 × 2 mm (standard D42 steel)

  • Working pressure: ≤10–12 bar

  • Temperature range: –10 °C ~ 110 °C

  • Mounting: wall or frame compatible

  • Connection ports: ¾″ male / ½″ female / ¼″ gauge

  • Material: carbon steel, stainless steel, or epoxy-coated steel


Application Scenarios


  • Domestic heating systems (electric & gas water heaters)

  • Commercial hydronic loops and multi-tank arrays

  • Industrial boiler installations with high static pressure

  • Solar and geothermal systems exposed to outdoor environments

  • HVAC and modular heating manifolds requiring compact, reliable brackets


❓ FAQ


Q1. What’s the difference between Round and Bowed expansion tank brackets?

The Round type offers direct cylindrical contact, providing a precise fit for round tanks and a smaller installation footprint. Bowed designs are optimized for high humidity or chemical environments.


Q2. Which Round bracket is best for industrial applications?

Choose Corrosion-Resistant or Heavy-Duty Industrial models for continuous operation above 8 bar or in corrosive air conditions.


Q3. Can Easywell provide custom bracket sizes?

Yes, OEM customization is available for pipe diameter, thread size, coating, and wall flange design.


Q4. Are these brackets suitable for renewable or solar-thermal systems?

Yes, the All-Weather and Modular Hydronic versions are built for outdoor renewable systems and solar loops.


Q5. How do I install the bracket?

Use expansion bolts rated ≥ 10 kg per anchor, seal threaded joints with PTFE tape, and maintain 10 cm clearance below the tank.


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