Interplast is certified to the ISO 9001 standard and implements all the procedures of the Quality Assurance System. The controls our products are subjected to begin with acceptance of raw materials, various materials and packaging materials inspection. Testing of the final products then follows, including dimension and visual checks, testing under pressure and temperature, recovery after heating, impact tests, degree of cross-linking checks, packaging controls and sampling controls in the storage phase.Meanwhile the international certification bodies SKZ, AENOR, CSA and WRAS check the quality of the pipes at regular intervals (every 6 months), by carrying out random sampling controls from the storehouses and the production lines.
The bar type manifold with check valves is a prerequisite for heating installations in many EU countries. Interconnections between the manifolds are not allowed because possible damage between the manifolds is difficult to repair.
The Eurocone has been established in EU countries as a permanent supply, as it enables greater quantities of water to flow to the circuits.
The check valves enable perfect regulation of water supply, which is not possible with ON/OFF valves.