.: VD12


2021_type_VD12
Product description:
Materials:
High-performance VD12 metal bellows type mechanical seal is designed for working in extremely hard conditions. It is widely used in refinery, petrochemical, chemical industry, paper making etc., where temperature plays an important role. It is suitable for low-temperatures from -75 °C and high-temperatures up to 425°C. Standard metal bellows VD12 type is performed in single ply welded metal bellows pressure range from vacuum to 20 bar. Improved metal bellows VD12 type is performed in double ply welded metal bellows pressure range from 20 bar up to 69 bar.
• Seal face: Carbon, SiC, TC
• Stationary seat: SiC, TC
• Secondary seal: Flexible Graphite
• Metal Parts: 316L, Alloy 718, Carpenter 42
• Optional materials on request