Stauff RB+RUL 406.4 PA W1 Tandwielpompen (binnenvertanding) Reinforcement: four six high tensile steel blank filter Element Reinforcement: four six high tensile steel spirals Alfagomma Slangpilaar SAE Flens 3000Psi 45° DN51 2 Polyamide DN 400 Carbon Steel untreated 406