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{"id":4448467583063,"title":"SuDS drainage Variable Orifice Choke Drain Chamber","handle":"suds-drainage-choke-drain-shaft","description":"\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv\u003eOrifice Flow Control is a form of flow control used commonly in SuDS applications.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eOrifice flow control chambers are used at the most downstream point of a SuDS drainage system to throttle the flow.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003eWhere an orifice is less than 40mm it is typical to use silt and debris control upstream of the SuDS feature to prevent blockage. \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFeatures and benefits: \u003c\/strong\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eChoke drain shaft with external access\u003c\/li\u003e\n\u003cli\u003eVolume flow adjustable from 0.5 litres to 10 litres per second\u003c\/li\u003e\n\u003cli\u003eStainless Steel choke drain fabrication \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Accessories\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRainus downpipe leaf ejector\u003c\/p\u003e\n\u003cp\u003eSilt Guard \u003c\/p\u003e\n\u003cdiv class=\"column first\"\u003e\n\u003cdiv data-id=\"981\" id=\"bgh981\" class=\"box act\"\u003e\n\u003ctable width=\"565\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px;\" width=\"107\"\u003e\u003cstrong\u003eorder no.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"108\"\u003e\u003cstrong\u003eLength (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"118\"\u003e\u003cstrong\u003eWidth (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"124\"\u003e\u003cstrong\u003eHeight (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"108\"\u003e\u003cstrong\u003eWeight (kg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13px;\"\u003e\n\u003ctd style=\"height: 13px;\" width=\"107\"\u003e340028\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"108\"\u003e620\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"118\"\u003e850\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"124\"\u003e960\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"108\"\u003e13\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38px;\"\u003e\n\u003ctd style=\"height: 38px;\" width=\"107\"\u003e\u003cspan\u003e340029 (vehicle)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"108\"\u003e\u003cspan\u003e620\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"118\"\u003e\u003cspan\u003e850\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"124\"\u003e\u003cspan\u003e960\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"108\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp class=\"headline small\"\u003e \u003c\/p\u003e\n\u003cp class=\"headline small\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0829\/4323\/files\/340028_Spec_Sheet_Choke_Drain_Shaft_new.pdf?v=1671026873\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"propertyContainer\"\u003e\n\u003cdiv class=\"tableContainer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"propertyContainer\"\u003e\n\u003cdiv class=\"tableContainer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2020-03-30T09:14:56+01:00","created_at":"2020-03-30T09:14:56+01:00","vendor":"GRAF","type":"stormwater management","tags":[],"price":59900,"price_min":59900,"price_max":63900,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":31674126598231,"title":"Pedestrian","option1":"Pedestrian","option2":null,"option3":null,"sku":"340028","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SuDS drainage Variable Orifice Choke Drain Chamber - Pedestrian","public_title":"Pedestrian","options":["Pedestrian"],"price":59900,"weight":46000,"compare_at_price":null,"inventory_quantity":-2,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]},{"id":31672430166103,"title":"Vehicle","option1":"Vehicle","option2":null,"option3":null,"sku":"340029","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SuDS drainage Variable Orifice Choke Drain Chamber - Vehicle","public_title":"Vehicle","options":["Vehicle"],"price":63900,"weight":46000,"compare_at_price":null,"inventory_quantity":-7,"inventory_management":null,"inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/www.freeflush.co.uk\/cdn\/shop\/products\/Drosselablaufschacht_1484x1024_01.jpg?v=1585944405","\/\/www.freeflush.co.uk\/cdn\/shop\/products\/orificecontrolchamber.jpg?v=1641991746","\/\/www.freeflush.co.uk\/cdn\/shop\/products\/ChokeNew.jpg?v=1673619519"],"featured_image":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/Drosselablaufschacht_1484x1024_01.jpg?v=1585944405","options":["Loading type"],"media":[{"alt":"SuDS drainage Choke Drain Shaft - Freeflush Rainwater Harvesting Ltd. ","id":5942503997527,"position":1,"preview_image":{"aspect_ratio":1.917,"height":720,"width":1380,"src":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/Drosselablaufschacht_1484x1024_01.jpg?v=1585944405"},"aspect_ratio":1.917,"height":720,"media_type":"image","src":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/Drosselablaufschacht_1484x1024_01.jpg?v=1585944405","width":1380},{"alt":null,"id":21094568951895,"position":2,"preview_image":{"aspect_ratio":1.917,"height":720,"width":1380,"src":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/orificecontrolchamber.jpg?v=1641991746"},"aspect_ratio":1.917,"height":720,"media_type":"image","src":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/orificecontrolchamber.jpg?v=1641991746","width":1380},{"alt":null,"id":22321107664983,"position":3,"preview_image":{"aspect_ratio":1.083,"height":576,"width":624,"src":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/ChokeNew.jpg?v=1673619519"},"aspect_ratio":1.083,"height":576,"media_type":"image","src":"\/\/www.freeflush.co.uk\/cdn\/shop\/products\/ChokeNew.jpg?v=1673619519","width":624}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cul\u003e\u003c\/ul\u003e\n\u003cdiv\u003eOrifice Flow Control is a form of flow control used commonly in SuDS applications.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003eOrifice flow control chambers are used at the most downstream point of a SuDS drainage system to throttle the flow.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003eWhere an orifice is less than 40mm it is typical to use silt and debris control upstream of the SuDS feature to prevent blockage. \u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFeatures and benefits: \u003c\/strong\u003e \u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eChoke drain shaft with external access\u003c\/li\u003e\n\u003cli\u003eVolume flow adjustable from 0.5 litres to 10 litres per second\u003c\/li\u003e\n\u003cli\u003eStainless Steel choke drain fabrication \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Accessories\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRainus downpipe leaf ejector\u003c\/p\u003e\n\u003cp\u003eSilt Guard \u003c\/p\u003e\n\u003cdiv class=\"column first\"\u003e\n\u003cdiv data-id=\"981\" id=\"bgh981\" class=\"box act\"\u003e\n\u003ctable width=\"565\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"height: 19px;\" width=\"107\"\u003e\u003cstrong\u003eorder no.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"108\"\u003e\u003cstrong\u003eLength (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"118\"\u003e\u003cstrong\u003eWidth (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"124\"\u003e\u003cstrong\u003eHeight (mm)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 19px;\" width=\"108\"\u003e\u003cstrong\u003eWeight (kg)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 13px;\"\u003e\n\u003ctd style=\"height: 13px;\" width=\"107\"\u003e340028\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"108\"\u003e620\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"118\"\u003e850\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"124\"\u003e960\u003c\/td\u003e\n\u003ctd style=\"height: 13px;\" width=\"108\"\u003e13\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 38px;\"\u003e\n\u003ctd style=\"height: 38px;\" width=\"107\"\u003e\u003cspan\u003e340029 (vehicle)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"108\"\u003e\u003cspan\u003e620\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"118\"\u003e\u003cspan\u003e850\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"124\"\u003e\u003cspan\u003e960\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"height: 38px;\" width=\"108\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- split --\u003e\n\u003cp class=\"headline small\"\u003e \u003c\/p\u003e\n\u003cp class=\"headline small\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0829\/4323\/files\/340028_Spec_Sheet_Choke_Drain_Shaft_new.pdf?v=1671026873\"\u003eData Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"propertyContainer\"\u003e\n\u003cdiv class=\"tableContainer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"propertyContainer\"\u003e\n\u003cdiv class=\"tableContainer\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e"}
  1. Home
  2. SuDS drainage Variable Orifice Choke Drain Chamber

SuDS drainage Variable Orifice Choke Drain Chamber

£599.00
Maximum quantity available reached.
    Orifice Flow Control is a form of flow control used commonly in SuDS applications.

    Orifice flow control chambers are used at the most downstream point of a SuDS drainage system to throttle the flow.


     

    Where an orifice is less than 40mm it is typical to use silt and debris control upstream of the SuDS feature to prevent blockage.



     

    Features and benefits:  
    • Choke drain shaft with external access
    • Volume flow adjustable from 0.5 litres to 10 litres per second
    • Stainless Steel choke drain fabrication 

    Optional Accessories

    Rainus downpipe leaf ejector

    Silt Guard 

    order no. Length (mm) Width (mm) Height (mm) Weight (kg)
    340028 620
    		 850 960 13
    340029 (vehicle) 620 850 960

    **We're closed for Christmas/New Year from Dec 20th 12pm, reopening 6th Jan 9am 2025** All orders made during the break will be processed w/c 6th Jan.

    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/APC etc) 
    The following items have a 2-4 week lead time:
      • 1,000 litre compact underground rainwater tank
      • 250 litre Prestige large Plant Pot style planter Grey
      • SAR40-TOP2 Wastewater Lifting station
      • Madison 185 Litre rain barrel
      The following items (EU) are purchased on a pre order basis with a potential 4-8 weeks lead time:
      • Green Roof sedum tray - pre planted option
      • Madison 185 Litre rain barrel - Millstone
      The following items (EU) are purchased on a pre order basis with a potential 10-12 week lead time:
      • Hydraloop
        2. General Delivery information

         

        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, 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.

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