Chemical industry
- approval according AD 2000-W0 + DGRL 2014/68/EU
- stainless steel A2 / A4 (AD 2000 W7-2 / W10)
- nuts for extreme high and low temperatures (AD 2000 W7-1 / W10)
- strength 5-2 + 8 (AD 2000 W7-1)
- nuts according ASTM-A-194 / ASME-SA-194
- stainless steel ASTM-A-194 Grade 8 and 8M
- test report 2.2 / inspection certificate 3.1 or
- individual proofs (inspection certificate 3.2) certified from TÜV or DNV are available