Water meter shaft round PP small

Product detailed description

Water meter shafts are essential components in utility installations where water meters need to be housed in accessible yet protected enclosures. This model is suitable for residential and commercial buildings where water supply systems require a dedicated chamber for metering. Installers typically deal with underground installations where the shaft must remain stable and watertight, while still allowing access for maintenance and readings. The shaft is designed for non-pressurised environments and is commonly used in conjunction with standard water supply lines and metering systems.

When installing in areas with no groundwater and no risk of vehicle traffic or proximity to roads, the shaft can be placed on a concrete base and backfilled with sand or well-drained soil. However, in conditions where groundwater is present or the shaft is located near a road or under a vehicle path, additional concrete encasement is required to prevent water ingress and structural damage. The shaft must be fully backfilled to avoid damage during cold weather.

Technical parameters

The dimensions of 130x100x100 cm define the internal space available for housing up to three water meters. The DN 32 inlet and outlet connections indicate the pipe sizes compatible with the shaft. These parameters are critical for ensuring the shaft fits the required installation space and connects to the existing piping system without modification.

Installation and connection

Installation begins with placing the shaft on a stable concrete base. The base must be level to prevent uneven stress on the structure. The DN 32 inlet and outlet connections require compatible pipe fittings. Installers should ensure that the shaft is fully surrounded by backfill material to prevent movement and thermal stress. A common mistake is partial backfilling, which can lead to structural failure during freezing conditions. The access hatch is designed for foot traffic only and should not be subjected to vehicle loads.

Compatibility and accessories

This water meter shaft is compatible with standard water meters and piping systems using DN 32 connections. The enclosure includes two watertight pipe penetrations for inlet and outlet connections, as well as internal steps for access. The water meter itself is not included and must be ordered separately. No additional accessories are required for standard installations, though concrete encasement may be necessary in specific conditions.

Technical background for designers

The shaft is constructed from welded polypropylene sheets, which provide a lightweight yet durable structure. The material is resistant to corrosion and chemical degradation, making it suitable for long-term underground use. The watertight design prevents moisture ingress, but additional protection is required in groundwater-prone areas. The design allows for up to three water meters to be installed, which is useful in multi-tenant or multi-use buildings. The internal steps improve accessibility for maintenance and inspection.

Service and operation

Regular visual inspections are recommended to check for structural integrity and watertightness. The shaft should be kept fully backfilled and free from debris. No specific service intervals are required, but any signs of damage or water ingress should be addressed immediately. The access hatch should be kept secure to prevent unauthorised access and to maintain the integrity of the enclosure.

Frequently asked questions

Can this shaft be installed in areas with high groundwater?
Yes, but it must be encased in concrete to prevent water ingress and structural damage.

Is the water meter included with the shaft?
No, the water meter is not part of the delivery and must be ordered separately.

Can the shaft be used for vehicle traffic?
No, the access hatch is designed for foot traffic only. Vehicle loads may cause structural failure.

What is the minimum operating temperature for installation?
Installation is not recommended below -3°C, as this may affect the material properties and installation quality.