Oriflo Flow Control 450mm ø Chamber P Series
The P models are classed as unprotected orifice chambers and are specifically designed for installation downstream of pre filtered surface water run offs ie. permeable paving and cellular/crate attenuation systems. Designed to support SuDS management and the sewer infrastructure as part of a designed attenuation system, helping prevent flooding by controlling the flow into the main sewer.
This does not come supplied with a lid
Optional Accessories
Suitable Lids
- 450ACCRA* - Access Cover ø450mm Circular Cover Integral ø350mm Restricted Access A15 Loading
- 450ACSB125* - Access Cover Composite 530x530mm Square Cover B125 Loading
- 450ACSRA* - Access Cover 450x450mm Square Cover Integral ø350mm Restricted Access A15 Loading
Features & Benefits
- Single piece unit delivered ready to install, reducing installation time and costs
- Chemically resistant rota moulded polyethylene base with heavy duty ribbed bottom
- Lightweight - No machinery or lifting equipment required
- Quick and simple to install
- Offers significant onsite savings against PCC and other traditional construction methods, as they need no construction or wet trades
- Available in five standard depths
- Inlet options- 3 x 110 /160mm diameter spigot connections
- Outlet options - 110/160mm diameter spigot connections
- Removable Orifice Plate - Available in various orifice diameters
- Orifice Plate can be changed easily should the hydraulics and flow rates change due to future development
- Access shafts are easily trimmed to suit required invert
- 320mm sump depth for catchment of suspended fines
- Can be installed in granular backfill
Some lead times may be extended due to consecutive bank holidays.
We will close for Christmas on 20th December at 4:30pm and re-open on 3rd January 2024 at 9:00am.
We're currently experiencing unprecedented demand, please bear with us while we work hard to fulfill your orders. If your query is related to an existing order please email in with your order number in the subject line. If you have a new residential enquiry please consult the online guides before calling as they may answer your question.
The delivery information page is divided into 1. Specific and 2. General delivery information below.
1. Specific Delivery Information relating to product lines- Small items dispatched daily with RM24 ~85% arriving next day
- Large items (UK made) typically 5 - 15 working days (Parcelforce/Tuffnells etc.)
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- Barrique
We're a Manchester based company and ship to the UK at our standard rates. Please get in touch requesting the delivery surcharge value if you are based in the Highlands or a UK island.
We no longer support ordering from the EU and Northern Ireland through the website. We can support ad hoc orders with limited liability.
Our design and Prestige range is available in the Netherlands, Ireland, Belgium, France, Germany, direct or through our distributors.
Stock items will be dispatched on the day of order, if ordered before 1pm.
Letters are sent 1st class.
Parcels <2kg are shipped with Royal Mail 24 Tracked with the following target delivery times.
Guaranteed delivery can be arranged by advance agreement. This agreement is back to back with the courier and we will not be liable for any delays as per our terms.
A loss/replacement can only be pursued in line with the target delivery times of the courier or once the courier accept loss.
Bulky items (and pallet deliveries) are dispatched within 2-15 working days. We will request a contact number if this has not been provided at checkout.
Some items are made to order (bespoke) and details are given on the listing for dispatch times. If for any reason we anticipate a delay on our normal dispatch time we will contact you to let you know.
Occasionally there are delays. We shall not be liable for any direct or indirect losses, costs, damages or expenses incurred by you or any other person for any delays in delivery.
Missed deliveries where attempted delivery has been made usually result in re-deliveries the following day. The customer is responsible for organising re deliveries by contacting the courier direct.
Parcels/deliveries can only be "left out" if the delivering company allows that option. Parcelforce, for example, do not allow a parcel to be "left out".
We are an environment centric business and as such we try to minimise our waste. Our packaging is usually recycled and/or recyclable and we make efficient use of packaging to minimise wastage.
Covid delivery updates between 12.3.20 and 11.1.21 21 have been archived here.