Centric butterfly valve with an elastomer liner, available as wafer, lug or U-section type. Engineered and manufactured for more than 30 years in Spain, Desponia® is built for long-lasting use in highly demanding environments up to 16 bar.
Desponia® can be supplied with a cast iron or ductile iron body. The resistant body, the multiple disc combinations and the robust liner available in many different materials, make Desponia a multi-purpose, modular and state-of-the-art valve with outstanding durability and resistance.
Liner materials:
EPDM, Nitrile, FPM, Flucast®, CSM, ECO, Silicone, white and blue liners for food applications
Disc materials:
Rilsan®, Polyurethan, Halar®, PEKK, UltraleneTM, Nickel plated, Nickel aluminium bronze, Stainless steel, Stainless steel (Ra < 0.8), Super austenitic steel and Hastelloy
Liners compliant with FDA rules and EU regulation No. 1935/2004.
Approved for drinking water according to DVGW, ACS, NSF-61, SVGW, WRAS and gas according to DVGW.
Grease-free, LABS-free and ATEX versions available.
Technical Specifications
Market segments
•Water
•Sewage Treatment
•Gas Supply
•Fire Protection
•Water Treatment Plants
•Power Generation
•Pulp & Paper
•Chemical Processing
•Oil & Gas
•Marine
•Life Science
•District Cooling/Heating
•Mining/Slurry
•Bulk Handling
•Air Separation
•Steel Industry
Body material
Metal
Body type
•Wafer
•Lug
•U-section
Connection end
•Flanged
Tightness
Bi-directional
Temperature range (+/–)
•-20 – +200 °C
Working pressure (max.)
2.5bar 6bar 10bar 16bar 20bar
Nominal diameter (DN)
•25 mm / 1″
•32 mm / 1¼″
•40 mm / 1½″
•50 mm / 2″
•65 mm / 2½″
•80 mm / 3″
•100 mm / 4″