All downloads listed below are available in German as PDF files:

General information

• General Terms and Conditions of Sale (GTCS)
• General Terms and Conditions of Purchase (GTCP)
• Data Protection Directive

Certifications

• ISO certification
• DVS certification

Certificates of conformity

• WLS Moers
• WLS Netphen

Type approvals

• Angled seat valve DN80 / PN25 (test basis ADR/RID 2019)
• Angled seat valve DN80 / PN25 (test basis ADR/RID 2025)
• Bottom valve DN80 / PN25
• Bottom valve DN100 / PN10