Procurement of Air Dryer for Nitrogen Generator
Tebogo Mbiza
In plain English
The National Metrology Institute of South Africa is requesting a quotation for a desiccant air dryer for use with a nitrogen generator. Bidders must be registered on the Central Supplier Database and provide a B-BBEE certificate for pricing above R2,000.
Always check the official documentDescription
The National Metrology Institute of South Africa (NMISA) invites quotations for the supply of one A-DRY60 Desiccant Air dryer. This unit must support the MNG104 Nitrogen generator with a flow rate of 60 Nm³/h and a pressure range between 4 and 16 bar. The required pressure dew point is -40°C. The work will be performed at the NMISA facilities. Suppliers must provide firm pricing valid for at least 30 days and clearly state their delivery timelines. Payment will be processed only after the successful delivery of the equipment.
What you need to qualify
- CSD registration — Registration on the Central Supplier Database — required to do business with government.
Full requirements
- Must be registered on the Central Supplier Database (CSD)
- Must not be listed on the Register for Tender Defaulters or Restricted Suppliers
Contact & how to apply
Name: Tebogo Mbiza
Email: scm3@nmisa.org
Phone: 012-947-2875
How to apply: Quotations must be submitted via email to scm3@nmisa.org by 11:00 on 28 September 2026. Ensure all mandatory documentation is attached to the email.
Related tenders
Supply and delivery of high-purity gases and rentals.
The National Metrology Institute of South Africa (NMISA) seeks bids for supplying and delivering high-purity gases and gas mixtures, including cylinder rentals, for five years. The contract covers NMISA laboratories in Pretoria and Cape Town. The supplier must ensure compatibility with existing infrastructure or provide necessary modifications. Deliveries must adhere to strict lead times of 1 to 5 working days. Each delivery requires technical datasheets and safety documentation. Ongoing post-delivery support and spare parts are also required.
Supply and delivery of nitrogen gas and cylinder rental.
The National Transmission Company South Africa (NTCSA) seeks tenders for supplying high-purity nitrogen gas and renting 10 x 11kg cylinders for the Apollo Converter Station in Olifantsfontein. This five-year contract starts on 1 July 2026 and involves periodic gas replenishment for the valve-cooling system. Bidders must ensure gas purity of 99.997% and provide safety documentation. The process follows the NEC3 Supply Contract, with a non-compulsory meeting on 29 September 2026 via Microsoft Teams. The tender is valid for 120 days, requiring technical capability, SANAS accreditation, and approved dangerous goods transportation. Price adjustments are based on SEIFSA indices after 12 months.
Supply of Breathing Simulator Machine to CSIR.
The CSIR requests quotations for the supply, installation, and commissioning of a Breathing Simulator machine at its Cottesloe facility in Johannesburg. The machine must simulate human respiration and include necessary hardware, software, and validation tools. The supplier is required to provide on-site training for four staff members and offer a two-year comprehensive warranty. The project must be completed within 30 weeks of the purchase order, adhering to international and local standards, including ISO 16900-5 and SANS 1737.
Maintenance of Gerstel GCMS/MS Instrument.
NMISA seeks quotations for the maintenance and repair of a Gerstel GCMS/MS instrument, including alignment and supply of a preventative maintenance kit. The service is for one unit, with a firm quotation valid for 30 days. Submission deadline is 28 September 2026.
Supply of ANSI Barrier Terminal Strips for NMISA.
The National Metrology Institute of South Africa (NMISA) requests quotations for 20 ANSI Barrier Terminal Strips (Type CU) with high-temperature capability, pure copper contacts, and screws. Items must comply with BS EN 50212:1997 and RoHS standards, feature interlocking design, and include UPS shipping. Managed by the Temperature and Humidity department, suppliers must provide firm pricing valid for 30 days and state delivery timelines. Payment is post-delivery.
Supply and delivery of electric scrubber dryers.
This tender involves supplying and delivering two electric scrubber dryer units with specific technical standards, including a 40-liter capacity, a 550mm scrub width, and a 1500W brush motor. The units must include a 20-meter cable, a 750mm squeegee, and specific brush components. The successful bidder must ensure the machinery meets the exact dimensions and power specifications outlined in the tender document.