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Butterfly Valves / Metal Body / Loose rubber lined

DESPONIA® – Butterfly valve DN 25-1600

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, Ultralene Coating™, 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.

Norms & certificates
ACS CE DNV-GL RINA SIL SVGW DVGW FDA VERITAS LLOYDS EAC Food-contact-compliance NSF
Desponia®

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 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″
  • 125 mm / 5″
  • 150 mm / 6″
  • 200 mm / 8″
  • 250 mm / 10″
  • 300 mm / 12″
  • 350 mm / 14″
  • 400 mm / 16″
  • 450 mm / 18″
  • 500 mm / 20″
  • 600 mm / 24″
  • 700 mm / 28″
  • 750 mm / 30″
  • 800 mm / 32″
  • 900 mm / 36″
  • 1000 mm / 40″
  • 1100 mm / 44″
  • 1200 mm / 48″
  • 1400 mm / 56″
  • 1600 mm / 64″

Downloads

  • DESPONIA® - centric, rubber lined, industryProduct Datasheets 2418
  • DESPONIA® - centric, rubber lined (imperial)Product Datasheets 2418
  • DESPONIA®/PLUS - Installation/MaintenanceManuals 2444
  • AQUARIA, DESPONIA & 820 - PED2014/68/EU - Cert. BCertificates 2650
  • AQUARIA, DESPONIA & 820 - PED2014/68/EU - Cert. HCertificates 2420
  • DESPONIA & DESPONIA plus - DVGW Certificate GasCertificates 2513
  • DESPONIA - ACS CertificateCertificates 2508
  • DESPONIA - Det Norske Veritas CertificateCertificates 2436
  • DESPONIA - NSF-61 CertificateCertificates ****
  • DESPONIA - NSF-61 Official ListingCertificates ****
  • DESPONIA - RINA CertificateCertificates 2538
  • DESPONIA & DESPONIA plus -TÜV Certificate TA-LuftCertificates 2604
  • AQUARIA, DESPONIA & 820 - PED Cat. II+III, AD-2000Declarations of conformity 2420
  • DESPONIA & DESPONIA plus - Manufacturer Decl. SILDeclarations of conformity 
  • DESPONIA & DESPONIA plus-Manufacturer Decl. REACHDeclarations of conformity 2224
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