Zilmet Ultra Inox-Pro Vertical Stainless Steel Expansion Vessel - 10 Bar - 24Ltr
Free Delivery Over £50
Operation Overview
The ULTRA INOX PRO range of Expansion Vessels is specifically designed for Unvented Potable Systems to deal with increased water volume resulting from heat expansion, solving issues of “water hammer” phenomenon, or reducing number of pump operations or duration of pump run. The stainless steel construction makes this vessel ideal for aggressive installation environments (E.g. coastal areas) and areas where environmental hygiene is of paramount concern. The interchangeable membrane gives unparalleled longevity.
Operation overview for Heat Expansion Purposes
The purpose of these vessels is to accommodate the increased liquid volume which occurs during system heating in an Unvented Circuit. A pressurised membrane allows ingress/egress of the liquid during periods of heating / cooling thus providing space for the expanded fluid volume to reside and prevent system pressure increase.
The sensible contraction of system water volume during cooling periods is enabled by means of a compressed air cushion which returns this temporarily expanded volume to the system.
The correct size of vessel must be considered prior to installation and installed by appropriately trained engineers. Careful consideration of pre charge must also be made as this is dependant on the application of the vessel. The larger size range available accommodates the larger systems and is also compatible with chilled water systems.
Operation overview for Water Hammer (Shock) Arrester Purposes
Also known as Hydraulic Shock, water hammer is a specific phenomenon and is not a “catch all” phrase for noisy pipes. The fitting of an ULTRA INOX PRO vessel will not resolve system noises where the root cause is excessive dynamic pressure, improperly clipped pipework or pipe bore restrictions due to clogged filters, burrs on cut pipe or excessive “bushing down” of distribution pipework.
Water hammer is caused when a water supply outlet is closed very suddenly. This causes a change in the momentum of the water when the system suddenly goes from a lower running pressure to a higher static pressure. This momentum impacts against the now closed outlet resulting in a potentially loud banging noise. This is commonly found in “quarter turn” type tap outlets and washing machines with solenoids controlling flow.
Siting an ULTRA INOX PRO as close to the source of the noise as possible will cause the vessels diaphragm to flex in response to this momentum change and prevent the audible impact against the terminal fittings. The pre charge should ideally be set to just slightly above the dynamic pressure of the system it is fitted to.
Price | £277.21 |
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Manufacturer | Zilmet |
Warranty | 1 year warranty |
Dimensions | Diameter: 270mm x Height: 485mm |
Capacity | 24Ltr |
Duty Type | Domestic |
Pump Type | Pressure Vessel |
Layout | Vertical |
Diameter | 270mm |
Height | 485mm |
Next Day Delivery | No |
Connection Size | 1 inch |
Manufacturers Part Number | 1110002403 |
Do You Have a Question About this Part?
Do you need some technical support to select the right product? Our technical sales team are on hand to offer support. Speak to us today:
Delivery and returns
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Free Delivery
On orders to UK Mainland Over £50 ex VAT*
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Next Day Delivery
Available on 1000's of products*
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Weekend Delivery
Available at extra charge to UK Mainland*
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Easy Returns
Warranty and Returns Contact: [email protected]
Pump Sales Direct (PSD) offers a free standard delivery service (2-3 working days) to mainland UK*. The free standard delivery service relates to all pumps on our website and also individually purchased spares or accessories over the value of £50 (before VAT). Anything purchased under £50 will incur a £6.95 standard 2-3 day delivery charge.
PSD also offers a next working day delivery service at a charge of just £12.50* (on order over £50), provided we receive your order before 3:30pm Monday to Friday (excludes Weekends and Bank Holidays).
*Excludes UK Islands, Northern Ireland and Scottish Highlands.
UK Delivery Charge Options Above £50:-
Standard Delivery (2-3 working days)* - FREE
Next Working Day Delivery (on orders placed before 3:30pm)* - £12.50
Next Working Day Delivery before 9.00pm (on orders placed before 3:30pm)* - £50.00
Next Working Day Delivery before 12.00 am (on orders placed before 3:30pm)* - £25.00
Scottish Highlands Standard Delivery - £17.50
UK Islands & Northern Ireland Standard Delivery - £60.00
*Excludes UK Islands, Northern Ireland and Scottish Highlands.
UK Delivery Charge Options Below £50:-
Standard Delivery (2-3 working days)* - £6.95
Next Working Day Delivery (on orders placed before 3:30pm)* - £14.45
Next Working Day Delivery before 9.00 am (on orders placed before 3:30pm)* - £50.00
Next Working Day Delivery before 12.00pm (on orders placed before 3:30pm)* - £25.00
Scottish Highlands Standard Delivery - £17.50
UK Islands & Northern Ireland Standard Delivery - £60.00
*Excludes UK Islands, Northern Ireland and Scottish Highlands.
Please note - PSD can arrange delivery to the Republic of Ireland where requested. Due to enhanced customer information being required post brexit this orders need to be placed directly with the customer support team: 0800 008 6405
Courier Companies
We use FedEx to deliver most small to medium parcels
Any orders that require a pallet for delivery we will use Palletforce, along with other pallet delivery companies as required.
Do You Have a Question About this Part?
Do you need some technical support to select the right product? Our technical sales team are on hand to offer support. Speak to us today:
Why Choose Us?
We have more than forty years of experience supplying pumps and pumping systems. Our technical support team can assist you with choosing the right pump.
- Manufacturer’s Warranty Included
- Dedicated & Expert Support Team
- Free Delivery for Orders Over £50
- Next Day Delivery UK Wide