Go to: Home
Go to: Products Go to: Quality Go to: News Go to: Markets Go to: Downloads Go to: Contact Go to: Home
General certificates
Product certificates
Water Treatment
Shipbuilding
Oil & Gas / Industry
Desalination
Power Stations
District Cooling
Product data sheets
User manuals
Installation data
Kv/Cv values
General
Desalination
3.1.1 DVGW (DE) Baumusterpruefzertifikat nach DIN EN 1074-1,2 Wouter Witzel Absperrklappen
3.2.1 KIWA (NL) Product Certifcate acc. EN 1074-2, Wouter Witzel butterfly valves
3.2.2 KIWA (NL) Product Certificate acc. EN 1074-2, Wouter Witzel butterfly valves
3.3.1 WRAS (UK) Product Certificate for potable water, Wouter Witzel butterfly valves
3.3.4 WRAS (UK) WRAS Material Approval for EPDM M201 (EUW-70)
3.5 KIWA (NL) Rilsan coating overview
3.5.3 WRAS (UK) Test Report BS 6920 - water up to 60 C, Rilsan coating
6.06 Achilles (NO) Certificate of Qualification, Wouter Witzel butterfly valves
Voor verdere groei en professionalisering zijn wij per direct op zoek naar ambitieuze professionals op HBO niveau die helpen onze groei te realiseren. >> zie vacatures voor meer informatie
Go to: general terms and conditions Go to: Company profile Go to: References Go to: Job vacancies