About company

Zakład Produkcyjno-Usługowy s.c. (s.c. – civil law partnership) was founded in the early 1990s and operated under this name for 10 years. In 2000, as a result of ownership changes, a company: Zakład Produkcyjno Usługowy Międzyrzecz  POLSKIE RURY PREIZOLOWANE Sp. z o. o. (Sp. z o. o. – limited liability company) was established.

Zakład Produkcyjno Usługowy Międzyrzecz POLSKIE RURY PREIZOLOWANE Spółka z o. o. is a company operating in the field of designing, manufacturing, installing and servicing pre-insulated pipes and fittings for underground and above-ground heating networks, as well as PE pipes and fittings for water and sewage networks and other technical installations – under the general name of “ZPU Międzyrzecz Sp. z o. o. system”


The production of pipes and fittings takes place in newly built facilities in the years 1998 – 2022
• production halls cover a usable area of 12,768 m2      
• closed warehouse and roofed storage areas for finished products with usable area of 2,368.67 m2
• a storage yard with an area of 132,318 m2


Pre-insulated products ZPU Międzyrzecz Sp. z o. o. stand out from the products of other manufacturers among others, in that:
• the production of our pre-insulated products is ecologically clean,      
• the service steel pipe is cleaned by shot blasting to the first degree of purity before it is insulated,
• for foaming pre-insulated products with PUR foam, we use cyclopentane, which does not destroy the ozone layer (has zero ODP),     
• we are a Polish producer of:
– pre-insulated pipes manufactured using the CONTI method, with or without an aluminum diffusion barrier, with a casing pipe diameter up to Dz 355,
– pre-insulated pipes and fittings manufactured using the traditional method as well as pre-insulated pipes and fittings with a diffusion barrier made of a thickened HDPE jacket
– casing pipe diameter up to Dz 1400,
– HDPE casing pipes in the diameter range from DN 75 to DN 1200 with the inner surface activated by the electrocorona method,
– machine bent pipes,
– machine bent elbows up to DN 300,
– standard heat-shrinkable sleeves,
– heat-shrinkable sleeves cross-linked by radiation,      
– electrically welded joints,
– flexible pre-insulated composite pipes and fittings with a service pipe made of cross-linked polyethylene (PE-X) for underground heating networks – single and double-pipe M-Pex® system in the range of service pipe diameters DZ 25 – DZ 125,
– flexible pre-insulated pipes with a steel carrier pipe with diameters of Dz 20, Dz 25 and Dz 28 for underground heating networks – DAR-FLEX system,
– pre-insulated pipes and fittings of the ZPU Międzyrzecz Sp. z o. o. with two carrier pipes in the diameter range DN 2×20 – DN 2×250

We have National Technical Assessments:

ITB-KOT-2020/1422 issue 1 – “Pre-insulated, flexible, assembly pipes and fittings and pre-insulated M-pex® joint assemblies with one or two service pipes for underground heating networks”
ITB-KOT-2020/1505 issue 1 – “Pre-insulated pipes, fittings, fittings and joint sets of ZPU Międzyrzecz Sp. z o. o. SPIRO for ground heating networks”
ITB-KOT-2018/0286 issue 2 – “Pre-insulated pipes, fittings, fittings and joint sets of ZPU Międzyrzecz Sp. z o. o. to underground heating networks”


The company operates in accordance with the principles set out in the Integrated Quality Management System, compliant with the following standards: PN-EN ISO 9001:2015-10, PN-ISO 45001:2016-06 and PN-EN ISO 14001:2015-09, in terms of design, development, production, delivery, installation and service of pre-insulated pipes and components for underground and above-ground heating networks as well as PE pipes and fittings for water and sewage networks and other technical installations. Current certificate number: JBS – 244/3/2022


From May 23, 2007 the company have a certificate issued by the international organization dealing with heating issues Euroheat & Power – this is confirmed by the certificate with the designation: No. 01/05, which approves the compliance and quality of our pre-insulated products with the requirements of EN 253, EN 448 and Euroheat & Power guidelines.


From March 21, 2012 the company has the CSTB-Avis Technique certificate, confirming compliance with the quality requirements for pre-insulated products with a steel carrier pipe. Current certificate number: N°14.1/16-2159_V2


December 12, 2013 the company was awarded Certificate No. TSP-3834-009.00 confirming compliance with the quality requirements for welding according to PN-EN ISO 3834-2:2007 issued by TÜV SÜD Polska Sp. z o. o. Current certificate number: No. TSP-3834-408.02.


ZPUM manufactures pre-insulated products, the requirements of which are defined by Polish standards: PN-EN 253, PN-EN 448, PN-EN 488, PN-EN 489, PN-EN 13941, PN-EN 14419 and National Technical Assessments, issued by ITB in Warsaw, confirming the suitability of products for use in construction.


Promotional and commercial activities in the country and abroad, including: in Germany, England, the Netherlands, France, Austria, Iceland, Bulgaria, the Czech Republic, Slovakia, Lithuania, Latvia, Sweden, Switzerland, China, Spain, Denmark, Italy and Hungary is run by sales representatives and technical and commercial offices. Please be advised that in addition to standard activities, we also provide services such as:


• adaptation of technical documentation in other pre-insulated technologies for the needs of our system,
• diagnostics of alarm systems on the construction site,
• giving opinions on technical documentation prepared by designers,
• assembly and sealing of connectors on the construction site,
• calculations in the sisKMR program.


We hope that the above information is interesting for you and that you will express your willingness to establish fruitful cooperation with our company.