product_category: Hydronic

Unpressurized Expansion Tank Cum Degasser System

Technical Specifications

Operating Principle

Atmospheric (0-Bar) pressure operation for minimized system stress

Pressure Rating

Maximum admissible pressure of PN 10 or PN 16

Vessel Material

High-durability Mild Steel (MS) or Stainless Steel (SS304)

Integrated De-aeration

Built-in Vacuum Spray-Tube Degasser for total dissolved gas removal

Control System

Smart Microprocessor or PLC Interface for automated pressure maintenance

Connectivity

Fully compatible with BMS (Modbus/BACnet) for smart building integration

Key Features & Benefits

Stable System Pressure

Maintains constant pressure, reducing stress on piping and equipment compared to pressurized tanks operating at 1–3 bar

Integrated Degassing

Inbuilt degasser eliminates the need for separate air separators and removes dissolved air efficiently

Improved Bladder Safety

Unpressurized design enhances bladder durability, with extended warranty coverage for long-term reliability

Compact Design

Requires minimal space and replaces multiple components like tanks, pumps, and separators

Cost-Effective Solution

Highly economical for large plants and high-rise buildings where traditional systems become expensive

Applications

Large-Scale Chilled Water Plants Variable-Flow (VSF) Cooling Systems High-Rise Commercial & Residential Towers Critical Data Center Cooling Infrastructure

Vacuum Degasser

Technical Specifications

De-aeration Technology

Automated Vacuum-Spray or Pressure-Drop degasification

System Volume Capacity

5 m³ to 150 m³ models available

Operating Pressure

Suitable for pressures up to 10 Bar or 16 Bar

Controller

Smart Microprocessor with digital display for status and alarms

Materials

Stainless Steel vacuum vessel with bronze/brass fittings

Key Features & Benefits

Eliminates Gas-Related Corrosion

Removes dissolved oxygen to prevent internal rusting, extending system life.

Maximizes Heat Transfer

Gas bubbles removed for 100% efficiency in radiators and cooling coils.

Silent System Operation

Eliminates rushing or clicking noises caused by trapped air pockets.

Automatic Make-up Integration

Degasses new water before entering system, preventing oxygen introduction.

Plug-and-Play Installation

Compact floor-mounted units, easy to retrofit into existing plant rooms.

Applications

Large-Scale District Heating & Cooling High-Rise Residential & Commercial Buildings

Air and Dirt Separator

Technical Specifications

Body Material

High-grade Mild Steel (MS) / Stainless Steel (SS304)

Pressure Rating

PN 10 / PN 16

Connection Sizes

Threaded or Flanged Ends (IS 6392 – 1971)

Internal Element

Pall Ring / Stainless Steel Mesh

Drainage

Bottom Blow-Down Valve

Key Features & Benefits

Dual Protection

Micro-bubble de-aeration & dirt separation in a single unit, saving space and cost.

System Longevity

Protects boilers, chillers, and pumps from abrasive particles & corrosion.

Improved Heat Transfer

Removes air pockets & sludge for 100% heat exchanger efficiency.

Low Maintenance

Self-cleaning element; flush sediment periodically without stopping the system.

Quiet Operation

Eliminates gurgling noises and whistling in HVAC systems.

Applications

Commercial Chilled Water Loops Industrial Boiler Feed Systems High-Rise Building HVAC Process Cooling Systems

Pressurization Units

Technical Specifications

System Type

Compact Floor / Wall Mounted

Pump Configuration

Single (Duty) / Twin (Duty-Standby)

Control Interface

Microprocessor Controller

Safety Features

High/Low Pressure & Dry-Run Protection

Connectivity

Optional BMS Integration

Key Features & Benefits

Automated Pressure Maintenance

Automatically maintains system pressure without manual intervention.

Leak Detection

Identifies abnormal filling cycles to detect potential pipeline leaks.

Compact Design

Designed for easy installation in space-constrained plant rooms.

System Protection

Prevents vacuum conditions and protects pumps from cavitation.

Energy Efficient

Optimized controls ensure pumps run only when required.

Applications

Commercial HVAC Systems District Heating Networks Data Center Cooling Industrial Process Water Loops

Closed Expansion Tank

Technical Specifications

Pressure Rating

PN 10 / PN 16

Temperature Range

-05°C to 70°C

Pre-Charge

2 Bar (Factory Set)

Vessel Material

Mild Steel / SS304

Membrane

Heavy-duty EPDM

Why Choose Our Expansion Tanks?

Corrosion Protection

Prevents oxygen mixing, extending system life.

Efficient Air Venting

Maintains stable pressure for smooth operation.

Stable Performance

Eliminates noise, vibration, and pump issues.

Compact Design

Flexible installation in tight mechanical spaces.

Applications

Centralized Heating HVAC Systems Industrial Cooling Pressure Boosting

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