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FloPlast Ltd
Castle Road
Eurolink Business Park
Sittingbourne
Kent ME10 3FP
UK
Tel: +44 (0) 1795 431731
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FloPlast Air Admittance Valves
(Issue 2 02/2018)
This document relates to FloPlast's AF32, AFE32, AF110, AVE100, AV110 and AX110 valves, for use in
above-ground drainage systems and in conjunction with the Building Regulations, (PART H1).
FloPlast's Air Admittance Valves carry the British Standards Kitemark (KM512474) and CE mark, as having met
the performance requirements of BS EN 12380: 2002 and have been designated with an A1 rating.
FloPlast's Air Admittance Valves provide a means of ventilation to the drainage system to prevent loss of
water seals in traps and consequent release of foul air into the building.
The drainage system and the installation and use of FloPlast's Air Admittance Valves must be in accordance
with the Design Data and Installation sections of this document.
AF32
AVE100/AV110
AF110
AX110
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Summary of Contents for FloPlast AF32
- Page 1 FloPlast Air Admittance Valves (Issue 2 02/2018) This document relates to FloPlast’s AF32, AFE32, AF110, AVE100, AV110 and AX110 valves, for use in above-ground drainage systems and in conjunction with the Building Regulations, (PART H1). FloPlast’s Air Admittance Valves carry the British Standards Kitemark (KM512474) and CE mark, as having met the performance requirements of BS EN 12380: 2002 and have been designated with an A1 rating.
- Page 2 Regulations FloPlast’s Air Admittance Valve , if installed, used and maintained in accordance with this document and supporting installation guides, can contribute to satisfying the relevant requirements of the following Building Regulations (the presence of a UK map indicates that the subject is related to the Building Regulations in the region or regions of the UK...
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Page 3: Additional Information
1.1 AF32/AFE32: The AF32 and AFE32 have been designed for installation directly onto 32mm UK designated Solvent Waste Pipe. with the use of the universal adaptor (provided with the product), the AF32 can also to be installed onto 40mm and 50mm UK designated pipe. The valve is also available designated as AFE32, which has been designed for use with Eurpoean designated 32mm/40mm and 50mm Solvent Waste Pipe. - Page 4 Figure 1 FloPlast Air Admitance Valve Design (Shape of lid is different on the AF32 & AFE32) Table 1 Waste Pipe dimensions for use with FloPlast Seals UK designated sizes Nominal Nominal Maximum Valve Size (mm) Mean OD(mm) Mean OD(mm)
- Page 5 3.2 The legend of the distributor is incorporated in to the lid of the product and is shown on the packaging. In addition, all FloPlast valves have CE mark designation A1 to BS EN 12380: 2002, the details of which appear on the boxes.
- Page 6 • The maximum distance of appliance traps from the discharge stack must be in accordance with BS EN 12056-2: 2000 paragraph 6.4.3 Table 10 and Figure 9 Ventilated Branches. The separate ventilation shown on the BS figures may be provided by a FloPlast AF32 or AFE32 Air Admittance Valve which must be within 1.5 metres of the appliance trap.
- Page 7 6.2 To contribute to the ventilation of the underground drain and to minimise the effects of excessive back pressures when a drain blockage occurs, the branch or main drain serving a stack or stacks fitted with a FloPlast valve may require a venting point upstream of the stack connection.
- Page 8 AX110 valves AX110 valves 6.3 To prevent self-siphonage a connection to the AF32 or AFE32 valve is required within 1500mm of the trap (see Figure 4). 6.4 To prevent induced siphonage in a row of wash-basins, a AF32 or AFE32 valve can be fitted between the two wash-basins furthest from the discharge stack (see Figure 4).
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Page 9: Maintenance
11.6 FloPlast AF32 and AFE32 valves must be fitted in a vertical position at least 100mm above the pipe being vented. As FloPlast valves are A1 designated to BS EN 12380-1: 2002 it is possible to locate them below the lowest reservoir being vented. - Page 10 13.2 FloPlast’s valves are subject to type testing and audit test as deterrmine with the Kitemark scheme to which they are certified, (Certificate KM512474). Testing is undertaken on behalf of BSI at the Building Research Establishment also known as BRE.
- Page 11 1974 Act or of any present or future statutory, common law or other duty of care. In developing this document, FloPlast does not accept responsibility to any person or body for any loss or damage, including personal injury, arising as a direct or indirect result of the installation and use of this product.