The Suttner ST1500 wash gun is probably the best known gun within the Suttner range. With its classic robust design, the ST1500 range of guns has certainly stood the test of time. Made with an impact resistant plastic case, safety locked trigger as well as being made from corrosion resistant materials. stainless steel inlet and outlet • equipped with ceramic ball, chemical resistant valve • alkali resistant PEEK sealing seat • high quality FKM seals. • by using PEEK as sealing seat material, the gun is also particularly suitable for pre-spray and pre-wash applications in vehicle washing • max. 275 bar / 45 l/min / 150°C