The VAV500 Vertical Pressure Vessel (10 bar) is designed for modern water pressurisation systems where stable pressure, efficient pump operation, and system protection are essential. In booster sets and pressurized water supply networks, frequent pump starts and stops can shorten pump life, increase energy consumption, and cause noticeable pressure fluctuations at taps and fixtures. A correctly sized pressure vessel helps solve these issues by storing a reserve volume of pressurised water and absorbing pressure variations during demand changes.

• Brand: VAV (please confirm actual brand/manufacturer on the nameplate)
• Model: VAV500
• Applications: Pressure Booster Systems, Water Supply Systems, Pump Cycling Reduction, Pressure Stabilisation, Water Hammer Dampening, Irrigation Booster Sets, Commercial Building Services
• Nominal Capacity: 500 liters
• Maximum Working Pressure: 10 bar
• Standard Pre-charge Pressure: 2 bar
• Working Temperature Range: -10 °C to +100 °C
• Height: 1490 mm
• Diameter: 750 mm
• Connection: 1 1/4″ BSP
• External Finish: Blue RAL 5015
• Membrane Type: EPDM (replaceable)

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The Aquasystem VAV200 vertical pressure tank is engineered to improve pressure stability, system comfort, and pump protection in pressurized Sanitary Water and Booster System applications. In real-world installations, water demand rarely stays constant. A building may experience sharp peaks in consumption during morning and evening usage, while commercial sites can have unpredictable draw-offs from washrooms, cleaning points, irrigation timers, or process-related water usage. These rapid changes in flow often translate into rapid pressure fluctuations. If a system does not have a correctly sized pressure vessel, the booster pump responds directly to every small demand event, which can cause frequent start/stop cycling (short cycling). Over time, short cycling increases wear on the pump motor, electrical controls, and pressure switches—leading to higher maintenance costs and reduced equipment life.

• Brand: Aquasystem Watertech
• Model: VAV200
• Origin: Italy
• Power (P2): N/A (pressure tank)
• Input Power (P1) if known: N/A
• Max Head: N/A
• Max Flow (with l/min and m³/h): N/A
• Suction Size: N/A
• Discharge Size: 1 1/4″ connection
• Applications: Sanitary Water pressure systems, Booster Systems, pressure stabilization, pump cycling reduction, water hammer reduction
• Build Material: Painted steel pressure tank (Blue RAL 5015), replaceable EPDM rubber membrane, galvanised counterflange
• Capacity: 200 liters
• Maximum working pressure: 10 bar
• Standard pre-charge pressure: 2 bar
• Working temperature: -10 °C to +100 °C
• Dimensions: Height 1085 mm × Diameter 600 mm
• Packing size: (Pz1) 610 × 620 × 1111 mm

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The Aquasystem VAV100 vertical pressure tank is built to improve performance, comfort, and durability in pressurised Sanitary Water and Booster System installations. In many buildings, water demand changes constantly throughout the day—showers, taps, irrigation solenoids, washdown points, and appliance cycles all create rapid fluctuations in flow and pressure. When a system has no properly sized pressure vessel, these fluctuations often cause the pump to start and stop repeatedly (short cycling). Short cycling increases motor temperature, stresses contactors and pressure switches, accelerates mechanical wear, and can lead to unstable water pressure at the point of use. The VAV100 solves these issues by acting as a hydraulic buffer, storing a reserve of pressurised water and smoothing out pressure changes.

• Brand: Aquasystem Watertech

• Model: VAV100

• Origin: Italy

• Suction Size: N/A

• Discharge Size: 1″ BSP connection

• Applications: Sanitary Water pressure systems, Booster Systems, water supply pressure stabilisation, pump cycling reduction

• Build Material: Painted steel tank (Blue RAL 5015) with replaceable EPDM rubber membrane; supplied with galvanised counterflange

• Capacity: 100 litres

• Max working pressure: 10 bar

• Standard pre-charge pressure: 1.5 bar

• Working temperature: -10 °C to +100 °C

• Warranty: 24 months

• Dimensions: Height 855 mm × Diameter 495 mm

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The Aquasystem VAV50 vertical pressure tank is built to enhance comfort, reliability, and efficiency in pressurized Sanitary Water systems. In many water supply and booster installations, pressure tends to fluctuate due to changing demand—such as when taps are opened and closed frequently, irrigation zones switch on and off, or multiple fixtures operate simultaneously. Without a correctly sized pressure vessel, the pump responds directly to every small demand change, causing frequent start/stop cycles (short cycling). Over time, short cycling increases mechanical wear, stresses electrical components, and can lead to noisy operation, unstable pressure at fixtures, and higher maintenance costs. The VAV50 is designed specifically to reduce these issues by providing a pressurized water reserve and absorbing pressure fluctuations.

• Brand: Aquasystem Watertech
• Model: VAV50
• Origin: Italy
• Discharge Size: 1″ BSP connection
• Applications: Sanitary Water pressure systems, Booster Systems, pressure stabilisation, pump cycling reduction
• Build Material: Painted steel tank (Blue RAL 5015) with replaceable EPDM rubber membrane; galvanised counterflange

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Engineered to provide reliable and efficient pressure boosting in applications where consistent water pressure is required. Manufactured by Stuart Turner in the UK, this pump is designed for both domestic and commercial use, offering dependable performance, quiet operation, and long service life.

Brand: Stuart Turner
Model: CH 4-30
Part Number: 46553
Origin: United Kingdom
Input Power (P1): 850 Watts
Power Supply: 230 V AC / 1 Phase / 50 Hz
Max Head: 25 m
Max Flow:  Up to 140 l/min

Suction Size: G 1¼” female
Discharge Size: G 1″ female
Applications: Pressure boosting, long pipe runs, domestic and commercial water supply
Build Material:

• Pump body: Brass / stainless steel
• Impeller: Stainless steel
• Mechanical seal: EPDM / Carbon / Ceramic

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