Here is all of our case studies, stories, new products & services etc …

Oxygen Mass Flow Control Valve – 08/10/2020

We are proud to announce a brand-new addition to our MFCV family!

In our existing range there are various sizes such as 30, 500, 1600 and 5000 ltr/min @ 14 bar g. These are commonly used for gases such as CO2, N2, Ar, He, H2 and clean dry air but now we have added O2 to that list!

We have had increasing interest and requests for oxygen versions of our popular MFCV’s. So, in response, we are pleased to announce our new BO396 which is now compatible with oxygen! It provides 1600 ltr/min @ 14 bar g (1100 ltr/min @ 7 bar g) and has a built-in needle valve so you can adjust the flow rate. It is fully pressure mechanical and can be mounted to a panel or supported in pipework.

Our MFCV’s are a mechanical valve that is very good at maintaining the flow through with a constant supply gas pressure but varying downstream pressure. It is suitable for anywhere that you need to maintain that flow, given the downstream pressure is changing, filling a buffer tank for example.

This overcomes the fundamental problem of using a simple orifice flow device. With a simple orifice, the flow of a given gas through it will change as the pressures to and from it change. Or as the differential pressure across it changes.

The BSL Mass Flow Control Valves are part of a great solution to deal with this. As you may know we have an established family range of valves for inert gases and hydrogen.

Examples for applications where controlling flow in this way is very useful are gas generators, tank blanketing, gas mixing and anywhere the downstream pressure fluctuates greatly.

The NEW BO396 designed for oxygen use is available now along with our existing range of valves! They also have an improved warranty of 7 years as these have proven to be reliable and hard-wearing.

If you have an application that needs greater flow control of gases with downstream pressure fluctuation, for more details email us.

Twin Mix GMB – 26/11/2020

The Gas-Mix GMB family of gas mixers has proven to be a very popular design for a number of applications and has been available for 2 gas pre-set mixtures of all the common gas combinations.

Responding to an enquiry from one of our longest standing customers of 25 years, our engineering team have taken the standard design and made it twice as useful for them and for you of course.

Added to the family is the Gas Mix GMB ‘dual’ pre-set outlet gas mixer. The dual outlet means that your customers can select one of two pre-determined mixtures to perform their application with, from a single mixing panel.

Two pre-set Gas Mixers in one unit!

For example, you may be a small food packing company that needs a 30% CO2 in N2 gas mixture, but they have customers that prefer 40% CO2 in N2. The Gas Mix GMB dual mix will allow them to select between the pre-set mixtures as and when they need to. Both mixtures will be calibrated and certified using known high specification certified calibration gases.

Of course, the great thing about certified calibrated pre-set units is they are a known standard and cannot be altered accidentally by unknowing plant operators. It gives them some choice, but you still maintain control over the final gas mixture.

If your customer does want fully adjustable systems, then we have those available too, but the dual mix system maintains control by providing flexibility but limited to your absolute needs.

Particularly for small users of gases, it provides the opportunity to keep costs down by purchasing pure gases in cylinders or bulk liquid storage and having the capability to work between mixtures for different products.

The customer will be confident the panels are calibrated to BS EN ISO 14175;2008 standards of mixed gas accuracy, and able to switch between mixtures in complete confidence. Switching between the mixtures could not be easier either; there is a simple mechanical selector valve on the front of the panel, clearly labelled.

If you are a small user or supply small users of gases that need a little more control but not too much, let us know what your application is and we will happily provide the details of the Gas Mix GMB twin mix system to you. You can email us here.

FWX – Making a stand 04/01/2021

We have been making our FW Gas Mixing Panels for over 15 years now. They have proven to be very popular with a lot of our customers. They deliver exactly what we say, reliably.

We Listened when our customers made suggestions of how to improve installations and site work. We looked at reducing the time that engineers were on site and what equipment would benefit our customers.

We introduced a simple effective system called the FWX assembly which consists of: A floor stand and correctly specified gas filters with additional options including Leak Detectors and relief valves. These were designed to go with our FW Gas Mixing panels and help to consolidate equipment into a neat package. As it is floor standing there is no need to drill holes in the walls. This set-up can be mounted outside as well!

With all the benefits of the original pressure mechanical design that everyone likes (no electrics, no buffer tanks) added to greatly reducing installation time on site. It is a great package for many industries!

Perfect for integrating into your existing process and easy dismounting for when you have equipment re-calibrated. We have a rental program available, so you do not have to be without a Gas Mixer while yours is being calibrated. Ask us for more details!

BSL operate a quality management system accredited to ISO 9001:2015, for the design, manufacture and refurbishment and supply of industrial gas mixing systems, gas flow control equipment and air separation systems for the beverage, food, manufacturing and associated industries.

Contact Us!

BSL Gas Technologies Limited
101 Laker Road
Rochester Airport Industrial Estate
Rochester, Kent, 

Tel: +44(0)1634 661100
Fax: +44(0)1634 671111

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