Stauff SM 213.5 13.5 PA GD AS M W4 Drukbegrenzingsventielen Alfagomma Slangpilaar SAE Flens 6000Psi blank filter Element Alfagomma Slangpilaar SAE Flens 6000Psi 90° DN25 1 SWIVEL BEARING 45X45 5mm Polyamide W4 Cover Plate Hex Head Bolt Hexagon Ral Nut