Universal couplings with large range for different diameters and different types of pipes, universal couplings for HDPE and PVC pipes, and universal and reducing couplings with large tolerance and gripping mechanism
About This Opportunity
TranslatedThis tender concerns the procurement of various types of universal pipe couplings designed for water supply and sewerage networks. The primary requirement is for couplings that can accommodate a wide range of pipe diameters and materials, ensuring secure and flexible connections. Specifically, the tender seeks universal couplings with a large axial deviation accommodation of ±3° from each end, suitable for various pipe materials including steel, ductile iron, grey cast iron, asbestos-cement, PE, and PVC. These couplings should feature a body and end rings made of ductile iron (GGG-45 or GGG-50), with a powder epoxy coating or equivalent, and EPDM seals. Bolts, nuts, and washers must be steel.
Additionally, the tender requires specialized couplings for HDPE and PVC pipes, also constructed from ductile iron with EPDM seals and steel components. A key focus is placed on universal and reducing couplings that offer a large tolerance and incorporate a gripping mechanism. These advanced couplings must accommodate an axial deviation of ±4° from each end and are designed to connect pipes of the same nominal diameter but different materials. They must allow for individual tightening at each end using reversible bolts and be delivered fully assembled and ready for installation. The gripping elements should be made of Acetal copolymer class M25 or equivalent, ensuring a secure connection across diverse pipe materials. The procurement emphasizes durability, flexibility, and ease of installation for critical infrastructure projects.
This is a supplies contract in the water and sanitation and construction and civil works sectors, with a focus on Water Supply, Wastewater and Drainage. Located in Bulgaria, Europe, this opportunity is open to firms and consortiums, with an estimated budget of BGN 1.2 million.
Published through TED - Tenders Electronic Daily (EU), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for the supply of goods in the water and sanitation sector. Supply contracts typically require bidders to demonstrate product compliance with technical specifications, delivery capacity, and relevant certifications. This contract has already been awarded. The information is published for transparency and market intelligence purposes.
Description
Auto-translated from bgUniversal coupling: Ductile iron body, GGG – 45 or GGG – 50; End rings / collars / - material ductile iron GGG – 45 or GGG – 50; Coating – powder epoxy or equivalent; Bolts, nuts and washers – steel; Seal – EPDM. The axial deviation that it can accommodate must be ± 3° from each end. Coupling for HDPE and PVC pipes: Ductile iron body, GGG – 45 or GGG – 50; End rings / collars / - material ductile iron GGG – 45 or GGG – 50; Coating – powder epoxy or equivalent; Driving ring – steel; Bolts, nuts and washers – steel; Seal – EPDM. Universal coupling with large tolerance and gripping mechanism: Ductile iron body, GGG – 45 or GGG – 50; End rings / collars / - material ductile iron GGG – 45 or GGG – 50; Coating – powder epoxy or equivalent; Gripping elements – Acetal copolymer class M25 or equivalent; Bolts, nuts and washers – steel; Seals – EPDM. The coupling must have a gripping mechanism that ensures the connection of pipes with the same nominal diameter but of different materials (steel, ductile and cast iron, asbestos-cement, PE and PVC). It must allow individual tightening of each end with reversible bolts. It must be delivered assembled, ready for operation. The axial deviation that it can accommodate must be ± 4° from each end. Universal reducing coupling with large tolerance and gripping mechanism: Ductile iron body, GGG – 45 or GGG – 50; End rings / collars / - material ductile iron GGG – 45 or GGG – 50; Coating – powder epoxy or equivalent; Gripping elements – Acetal copolymer class M25 or equivalent; Bolts, nuts and washers – steel; Seals – EPDM. The coupling must have a gripping mechanism that ensures the connection of pipes with the same nominal diameter but of different materials (steel, ductile and cast iron, asbestos-cement, PE and PVC). It must allow individual tightening of each end with reversible bolts. It must be delivered assembled, ready for operation. The axial deviation that it can accommodate must be ± 4° from each end. The main types of goods, subject of the public procurement, estimated quantity and their characteristics are indicated in the "Technical Specifications" template for the respective designated position. Each participant must offer the full range of goods provided for in the "Technical Specifications" template for the respective designated position.
Data provenance
This notice is sourced from TED - Tenders Electronic Daily (EU) and was originally published on March 13, 2025. Last refreshed 35 days ago. Original language: bg. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About ВОДОСНАБДЯВАНЕ И КАНАЛИЗАЦИЯ ЕАД
ВОДОСНАБДЯВАНЕ И КАНАЛИЗАЦИЯ ЕАД has issued 35 procurement notices on BidsFactory, including 0 currently open and 25 awarded contracts. Activity concentrates in Construction & Civil Works, Water & Sanitation, and General Supplies & Services. All notices are published for Bulgaria. Notices are distributed via TED - Tenders Electronic Daily (EU). Most recent publication: September 9, 2026.
Frequently asked questions about this tender
Where will the contract be performed?
The contract is for delivery in Bulgaria. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.
How can I submit a bid?
Visit TED - Tenders Electronic Daily (EU) to access the full notice, required documents, and submission instructions provided by the contracting authority.
Is this tender still open?
No — the contract has already been awarded to Хидротийм ЕООД. The award notice is archived on BidsFactory for transparency and market intelligence.
Who is the contracting authority?
This notice was issued by ВОДОСНАБДЯВАНЕ И КАНАЛИЗАЦИЯ ЕАД in Bulgaria. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
What type of contract is this?
This is a Supplies contract in the Water & Sanitation sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
How much was the contract awarded for?
Хидротийм ЕООД was awarded the contract for BGN 495,950. The figure reflects the value disclosed by the contracting authority in the award notice.
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