Expanion & Buffer Tanks | NOOR SCIENTIFIC & TRADE https://noor-scientific.com Gate To Innvotion Wed, 30 Sep 2026 13:42:43 +0000 en hourly 1 https://wordpress.org/?v=7.1.3 https://noor-scientific.com/wp-content/uploads/2024/11/cropped-Logo01-32x32.png Expanion & Buffer Tanks | NOOR SCIENTIFIC & TRADE https://noor-scientific.com 32 32 Taco Diaphragm Expansion Tanks (CX Series) https://noor-scientific.com/electromechanical/taco/taco-diaphragm-expansion-tanks-cx-series/ Wed, 30 Sep 2026 13:41:47 +0000 https://noor-scientific.com/?p=27395 Steel expansion tanks with a heavy-duty butyl rubber diaphragm that permanently separates air and water, providing thermal expansion control in closed hydronic heating and cooling systems.

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Taco Diaphragm Expansion Tanks (CX Series)

  • Taco CX Expansion Tanks accommodate expanding system water in the upper chamber, deflecting the diaphragm and compressing the air charge below it to help control system pressure.
  • The partial-acceptance design suits small heating installations and chilled water systems requiring limited expansion capacity. Tanks feature a fabricated steel shell and a non-replaceable butyl rubber diaphragm.
  • Models: CX30, CX42, CX84, CX130, CX170, CX215, CX254, CX300 and CX350.
  • Tank volume: 30–350 litres (8–92 US gallons).
  • Acceptance capacity: Limited acceptance; varies by model and must be checked separately from total tank volume.
  • Shell: Fabricated steel, designed and constructed to ASME Section VIII, Division 1.
  • Diaphragm: Heavy-duty butyl rubber; non-replaceable.
  • Working pressure: 125 psig (approximately 8.6 bar).
  • Maximum operating temperature: 240°F (116°C).
  • Standard air precharge: 12 psig (approximately 0.83 bar).
  • System connection: 1" NPT.
  • Optional accessories: California sight glass and four seismic/anchor clips.
  • Service: Closed systems only.
  • Helps control pressure changes caused by thermal expansion.
  • Prevents air-charge absorption into system water and associated waterlogging.
  • Provides a compact expansion-control solution for systems with smaller expansion requirements.
  • Offers multiple capacities to match system sizing requirements.
  • Closed hydronic heating and cooling systems.
  • Small heating installations.
  • Chilled water systems requiring smaller expansion volumes.
  • Commercial, institutional and industrial hydronic systems.
  • ASME: Designed, constructed and tested to Section VIII, Division 1 requirements.
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]]> Taco Bladder Expansion Tanks (CBX Series) https://noor-scientific.com/electromechanical/taco/taco-bladder-expansion-tanks-cbx-series/ Wed, 30 Sep 2026 13:39:20 +0000 https://noor-scientific.com/?p=27389 Steel expansion tanks with a removable butyl rubber bladder that permanently separates air and water. Designed for hydronic expansion control and non-potable hydropneumatics applications.

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Taco Bladder Expansion Tanks (CBX Series)

  • Taco CBX Expansion Tanks accommodate expanding system water inside a seamless bladder, compressing the air charge on the shell side to help control pressure. The partial-acceptance design provides a defined water acceptance capacity for each model.
  • The tanks feature a fabricated steel shell and a heavy-duty butyl bladder removable for inspection and replacement. Available in capacities from 15 to 800 litres, they are suitable for vertical installation only and must not be used with potable water.
  • Models: CBX15–CBX800.
  • Tank volume: 15–800 litres (4–212 US gallons).
  • Maximum bladder acceptance volume: Approximately 9.2–231 litres (2.5–61 US gallons), depending on model.
  • Shell: Fabricated steel, designed and constructed to ASME Section VIII, Division 1.
  • Bladder: Seamless, heavy-duty butyl rubber; removable and replaceable.
  • Standard working pressure: 125 psig (8.6 bar).
  • Optional working pressure: 150 psig (10.3 bar).
  • Maximum operating temperature: 240°F (116°C).
  • Air–water separation: Water contained inside the bladder; air precharge on the shell side.
  • Installation: Vertical only.
  • Lifting rings: Provided except on CBX15, CBX30 and CBX42.
  • Service restriction: Non-potable water only.
  • Helps control pressure changes caused by thermal expansion.
  • Prevents waterlogging associated with direct air–water contact.
  • Separates system water from the steel shell, helping reduce internal corrosion.
  • Replaceable bladder simplifies maintenance and extends tank serviceability.
  • Multiple capacities allow selection to suit system expansion requirements.
  • Hydronic system thermal expansion control.
  • Non-potable hydropneumatic systems.
  • Non-potable drawdown applications.
  • ASME: Designed and constructed in accordance with Section VIII, Division 1.
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]]> Taco Full-Acceptance Bladder Expansion Tanks (CA Series) https://noor-scientific.com/electromechanical/taco/taco-full-acceptance-bladder-expansion-tanks-ca-series/ Wed, 30 Sep 2026 13:25:55 +0000 https://noor-scientific.com/?p=27375 Steel expansion tanks with a replaceable, full-acceptance butyl rubber bladder that separates system water from the air charge and accommodates thermal expansion in hydronic heating and cooling systems.

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Taco Full-Acceptance Bladder Expansion Tanks (CA Series)

  • Taco CA Expansion Tanks help control system pressure by accepting expanding water into a flexible bladder while compressing the surrounding air charge. Permanent air–water separation prevents waterlogging and isolates system water from the steel shell.
  • The full-acceptance bladder can expand to the tank’s full volume and is removable for inspection or replacement. Multiple capacities and pressure ratings are available, with an optional NSF-certified version for potable water service.
  • Capacity: 90–10,000 litres (23–2,640 US gallons) in the supplied datasheet.
  • Shell: Fabricated steel, designed and constructed to ASME Section VIII, Division 1.
  • Bladder: Heavy-duty butyl rubber; full-acceptance, field-removable and replaceable.
  • Standard working pressure: 125 psig (approximately 8.6 bar).
  • Optional working pressures: 150, 175, 250 or 300 psig (approximately 10.3, 12.1, 17.2 or 20.7 bar).
  • Operating temperature: Up to 240°F (116°C); other requirements subject to factory consultation.
  • System connections: 1", 1½", 2" or 3" NPT, depending on model.
  • Air charge: Adjustable through an air-charging fitting to suit system fill pressure.
  • Potable water option: NSF/ANSI 61-G version, identified by the “P” model suffix.
  • Helps maintain system pressure as water temperature changes.
  • Prevents waterlogging by separating air from system water.
  • Protects the steel shell from corrosion caused by contact with system water.
  • Full-acceptance design reduces bladder overstretching risk.
  • Replaceable bladder simplifies maintenance and avoids replacing the complete tank.
  • Can reduce required tank size by up to 80% compared with conventional plain steel air-cushion tanks, subject to sizing conditions.
  • Closed hydronic heating systems.
  • Chilled water systems.
  • Boiler and chiller circuits requiring thermal expansion control.
  • Potable water heating systems with the optional NSF-certified model, installed on the cold water side of the heater.
  • ASME: Section VIII, Division 1 design, testing and stamping.
  • National Board: Registration; National Board Form U-1 referenced.
  • NSF/ANSI 61-G: Optional certification for “P” suffix models, as stated in the supplied datasheet.
  • ISO 9001: Manufacturer’s quality management certification mark shown.
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]]> Taco Chilled & Hot Water Buffer Tanks (BTH, BTL) https://noor-scientific.com/electromechanical/taco/taco-chilled-hot-water-buffer-tanks-bth-btl/ Wed, 30 Sep 2026 13:21:15 +0000 https://noor-scientific.com/?p=27369 Carbon steel buffer tanks for chilled and hot water hydronic systems, designed to increase system fluid volume and help reduce boiler or chiller short cycling. Available in vertical and horizontal configurations, with nominal capacities from 50 to 3,000 US gallons.

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Taco Chilled & Hot Water Buffer Tanks (BTH, BTL)

  • Taco Buffer Tanks add fluid volume and thermal storage to chilled and hot water systems, helping balance system demand with boiler or chiller capacity. When correctly sized, they reduce frequent cycling and support improved equipment operation.
  • The tanks feature carbon steel construction, an exterior red oxide primer finish and a solid internal baffle. Multiple orientations, connection arrangements and insulation options accommodate different installation requirements. Standard design rating is 125 psi at 375°F, with higher ratings and custom configurations available.
  • Nominal capacity: 50–3,000 US gallons (approximately 189–11,356 litres); actual volume varies by model.
  • Material: Carbon steel with exterior red oxide primer; alternative materials available upon request.
  • Standard design rating: 125 psi at 375°F (approximately 8.6 bar at 191°C).
  • Optional ratings: 150 psi (10.3 bar); 400°F or 450°F (204°C or 232°C), subject to factory selection. Custom ratings available.
  • Configurations: Vertical or horizontal, with high, low, top or side connections depending on model.
  • Connections: Flanged or grooved, in sizes from 2" to 12" depending on model; flanges are ANSI Class 150 raised face.
  • Threaded option: 2" or 2½" female NPT on 50–350 gallon tanks.
  • Construction details: Solid internal baffle, raised nameplate, and base ring or saddle supports.
  • Insulation: Uninsulated; ½"–2" Armaflex for chilled water; 1"–2" silicone/fibreglass for indoor hot water; or 2"–3" aluminium-jacketed polyisocyanurate for chilled/hot water.
  • Outdoor options: Aluminium-jacketed chilled water insulation.
  • Custom options: Capacities, materials, connections, insulation and anchor clips for vertical models.
  • Helps reduce boiler and chiller short cycling.
  • Helps limit equipment wear and damage associated with frequent cycling.
  • Provides thermal storage to meet demand between operating cycles.
  • Offers installation flexibility through multiple configurations and connections.
  • Provides insulation options suited to heating, cooling and installation conditions.
  • Chilled water hydronic systems.
  • Hot water hydronic heating systems.
  • Boiler and chiller systems requiring additional fluid volume or thermal buffer storage.
  • ASME: Section VIII, Division 1 design and construction; ASME stamping stated.
  • National Board: Registration stated.
  • ISO 9001: Manufacturer’s quality management certification mark shown on the datasheet.
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