Norgren VS18 Series Valve Advantage - Manual (Page 9)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
4.2 M ATERIALS
Valve body / sub-bases: Die-cast aluminium
Glandless spool&sleeve (VS**G): Aluminium, hard anodised, teflon coated
Softseal spool (VS**S): Aluminium with HNBR seals
Plastic parts: POM, PA, PPA
Mounting sheets / screws: steel, zinc coated
Springs: stainless steel
Seals: NBR
Sandwich plates: Aluminium bar material, PA
Electrical contacts: brass, tin/gold coated
PCB: Glasepoxy
VS2672926-KG00E_05/07 Page 9/97