IBS stoplogs - system components
Water is the source of all life. The core expertise of IBS as a company entails the use of mobile barriers to block, control and distribute water. Part of his expertise, which has been gathered over 20 years, is reflected in our stoplog closures (made of stainless steel and aluminium) and our bulkhead gate closures. They represent one of the most efficient techniques for blocking a flume.
The standard material for our stoplogs systems closures is aluminium.
If you need any more Information about Stoplog - system somponents feel free to contact us.
Frame
The lateral "U" rails formed the frame of an IBS stoplog. The base structure consists of a 4mm-thick, edged slab of stainless steel. The side length is kept to a constant 80 mm, while width depends on that of the corresponding stoplog.
The following standard types of stainless steel are available for the fabrication of frames:
- Material number 1.4301
- Material number 1.4404
Other types of stainless steel are available on request.
The basic frame structure is designed to maintain the established dimensions for the interface between the connecting component (e.g. the wall of the flume) and the stoplog closure (e.g. the stoplog). It also serves either as the retaining structure for the sealing and sliding strip or as the support surface for the sealing and sliding strip bolted to the stoplog.
Frame profiles with different equipment and configurations can be selected for use in various situations (grey waters, inland waterways, wastewater, seawater or drinking water). You can basically choose between configurations with sealing/guide elements screwed into the frame and those where they are bolted onto the end of the stoplog.
The layout with sealing/guide elements screwed into the frame is the most common configuration, as the twin-lip seal can be made to form a single, join- and seam-free closure along its entire length.
On the other hand, the configuration with sealing/guide elements bolted onto the ends of the stoplog is easier to access for the purposes of replacement, although this means that there is a join along the line of the seal for each stoplog height.
Stoplogs/Dam Plates
It is possible to choose from a total of three available widths (50mm, 100mm and 150mm) and a range of more than 100 different combined and enhanced stoplog designs.
The difference depends to a great extent on the choice of material. The choice of aluminium or stainless steel stoplogs determines the ranges of use, potential load-bearing capacity and sealing-technology variants. The following table is designed to give an overview in this respect:
| Stoplog Material | Stainless Steel | Aluminium |
|---|---|---|
| Configurable for use in grey waters | yes | yes |
| Configurable for use in inland waterways | yes | yes |
| Configurable for use in wastewater | yes | limited |
| Configurable for use in seawater | yes | limited |
| Configurable for use in drinking water | yes | no |
| Can be fitted with reinforcing tubes | no | yes |
| With stoplog sealing/guide technology | no | yes |
Operation in areas containing drinking water always requires the use of stainless-steel stoplogs with end-seals and sliding strips made of a material approved for use with drinking water (German KTW recommendations or equivalent). This configuration carries the "PW" designation. Note that your selected frame configuration must likewise conform to the criteria of the KTW recommendations or equivalent (see section 2.3: "Seals/sliding strips").
Seals/sliding slips
For use in areas containing drinking water, you can choose between twin-lip and intermediate seals and also sliding strips made of a material approved for use with drinking water (German KTW recommendations or equivalent). This configuration carries the "PW" designation. All types of frame bearing the "FM" designation are compatible for PW-type use in areas containing drinking water. Note that you must select suitable stoplogs that likewise conform to the criteria of the KTW recommendations are equivalent.
The drawing on the right shows an IBS ground seal for a 100-size system. The ground seal consists of elements made of PE (polyethylene, item 1) and PU (polyurethane, item 2).
Various types of seal are used to provide a closure between the stoplog and frame. These can be made of EPDM or silicone, depending on their purpose. We would be pleased to supply you with individual drawings of our push-in, twin-lip and/or intermediate seals. Just send us a brief e-mail , and we will take it from there.
Pressing Tools
A Pressing Tool is used to hold the stoplog in its frame, while at the same time compressing the ground seal. This slides into the groove provided in the frame. Threaded spindles ensure that all the stoplogs are pressed down to the same extent. This technique also helps to counter any tendency on the part of the structure to rise up.