BidHits

Heat Transfer Tenders

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90% recommend BidHits (1077 real users, 28/07/2026). Methodology

01/23/2026 - SOUTH AFRICA | GT | PRETORIA

Obpva - Onderstepoort Biological Products Limited

Heat Transfer

4. Training Scope and Curriculum The training programme must cover, at a minimum, the following topics: 4. 1 Refrigeration Fundamentals Principles of refrigeration and heat transfer Refrigeration cycle ( compression, condensation, expansion, evaporation) Basic thermodynamics concepts Pressure, temperature, and enthalpy relationships 4. 2 Refrigeration System Components Compressors ( types, operation, lubrication) Condensers and evaporators Expansion devices ( TXV, capillary tubes) Refrigerants ( common type

request for quotation for goods and services basic refrigeration training

Tender Close Date:

01/16/2026 - SOUTH AFRICA | GT | PRETORIA

Obpva - Onderstepoort Biological Products Limited

Heat Pumps

Table 1: Service Requirements OBP has on site refrigeration systems for vaccines preservations and air conditioning systems to keep cold rooms below specific temperatures. OBP also have heat pumps that are used for heating buildings and producing industrial process heat. OBP requires a supplier with expert service knowledge of Carnot refrigeration cycle, capable of evaluating principal work and heat transfers, enhancement of the vapour- compression systems, knowledge of cascade cycles, multistage compressio

Tender Close Date:

12/12/2025 - SOUTH AFRICA | KZN

Council For Scientific And Industrial Research ( Csir)

Request for Quotation ( RFQ) for the supply and delivery of a Jacketed Extraction Centrifuge System to Insangu yoKhahlamba Processing Facility in Bergville

Supply and delivery of a jacketed extraction centrifuge system to Insangu Yokhahlamba processing facility in Bergville. Jacketed extraction centrifuge system Cryogenic chiller/heater unit Pneumatic diaphragm transfer pump 60 L non- jacketed and insulated storage tank Filter bag for centrifuge Valves, tubes and any other accessories necessary for full operation of the proposed system

Tender Close Date:

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User testimonials
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Excellent platform to help promote and expand the reach of your work.
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The idea of ​​using a keyword and sending the information by email is very good.
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Frequently asked questions

BidHits is a search and alert service for public tenders in South Africa. We monitor official sources daily and deliver relevant opportunities on the site and by email, with AI-assisted matching to reduce manual checking.

Enter your email and activate the trial. For 14 days you can use the features, create alerts and check relevance. If you do not subscribe at /subscription.php, the tenders list becomes limited. There are no automatic charges.

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Whenever possible, yes. Some official sources require login or block direct downloads; in those cases we link to the official process page so you can access the documents there.

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Yes. After signup you can switch to the map view and see tenders by location.

AI-assisted search can make mistakes. Improve relevance by adding more specific terms, removing broad terms and deleting results that do not fit. This helps keep your feed useful.

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Transcript
Welcome to BidHits. Finding public tenders and bids is important. But what really matters is quickly identifying the opportunities that match what your company sells. To get started, enter a few keywords that describe your products or services. BidHits shows relevant opportunities, highlights your keywords, and organizes everything by date. Smart search is already enabled and uses artificial intelligence to expand your results, even when the tender uses different words from the ones you searched for. For each opportunity, you can view a summary, access documents, mark it as a favorite, add private notes, remove what is not relevant, or view it on the map. You can also use filters, run searches, and explore the day's opportunities directly on the map. Start using BidHits now. It's fast, practical, and you can try it for free.
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