Sfera was born by appointment of deep competence and long experience in district heating/cooling field and renewable energy with the goal to give to the market a Single Referent able to supply high Quality Products and related Technical Service.
Hence, the main purpose of Sfera is to satisfy all commitments with professional care, dynamism and proactively, suggesting the best solutions to apply customer’s quality needs and customer’s budget, always granting the direct technical and logistic relationship with Production Plants and our Technicians.

PRODUCTS


Sfera offers Products working as commercial Agency for High Quality and reputable Companies which are market leaders in District Heating and Cooling equipments and technology, among those Vexve Oy.

SOLUTION FOR:

  • district heating systems
  • district cooling systems
  • HVAC/R
  • chemical Mixing
Shut-off valves

CHARACTERISTICS:

  • fully welded construction, steel or stainless steel
  • full bore or reduce bore design
  • sizes from DN 10 to DN 800
  • total bi-directional tightness=EN 12266-1 rate A in both directions
  • high Kv-value (minimum pressure loss, minimized pumping costs)
  • high-strength materials capable to withstand variable water qualities
  • spring loaded PTFE ball seals
  • stem sealing with double o-rings
  • designed and certified according to EN488:2015

SOLUTION FOR:

  • opening and closing district heating and cooling lines (shut-off)
  • underground installation
Long stem ball valves

CHARACTERISTICS:

  • fully welded construction, steel or stainless steel
  • full bore or reduce bore design
  • Sizes from DN 25 to DN 800
  • otal bi-directional tightness = EN 12266-1 rate A in both directions
  • high Kv-value (minimum pressure loss, minimized pumping costs)
  • high-strength materials capable to withstand variable water qualities
  • spring loaded PTFE ball seals
  • stem sealing with double o-rings
  • in different standard stem heights
  • customised stem heights
  • with different length extension pipes
  • with separate air release (service) valves
  • designed and certified according to EN488:2011
Trunnion mountd ball valves

SOLUTION FOR:

  • largest valve diameters (DN 600-800)
  • smaller diameters when pressures are very high (more than 25 bars) and no by-pass valves are used

SOLUTION FOR:

  • for shut-off and balancing purposes in heating and cooling systems (HVAC / R)
Balancing valves

CHARACTERISTICS:

  • fully welded construction, steel or stainless steel
  • sizes from DN 15 to DN 300
  • total bi-directional tightness = EN 12266-1 rate A in both directions
  • high Kv-value (minimum pressure loss, minimized pumping costs)
  • high-strength materials capable to withstand variable water qualities
  • spring loaded PTFE ball seals
  • stem sealing with double o-rings
  • combined balancing and shut-off functionality in one single valve

SOLUTION FOR:

  • district heating pipelines
  • district cooling pipelines
High performance butterfly valves

CHARACTERISTICS:

  • fully welded construction, manufactured utilizing high quality materials and components
  • full bore or reduce bore design
  • sizes from DN 300 to DN 1400
  • bi-directional tightness- total tightness class A or B (EN12266-1) for a temperature range of -40° C to 200° C (250° C)
  • stainless steel disc + special alloy, chrome plated seat
  • triple offset geometry
  • high kV-value
  • designed according to EN488

SOLUTION FOR:

  • for automatic operation (opening/closing) of valves
  • dspecifically designed for district heating and district cooling and Vexve Oyís valves
Hydraulic actuator

CHARACTERISTICS:

  • minimum maintenance and complete safety
  • complete size range compatible with Vexve Oyís valves
  • manually or remotely controlled
  • completely safe for underground installation
  • position transmitter/indicator (low voltage)
  • actuator cover designed for protection from water, salt and dust
  • recommended pressure range 30-200 bar
  • ambient temperature range -25°C to +80°C
  • rotating angle up to 97°
  • adjustable end stops
  • IP68
Modular ball valves

CHARACTERISTICS:

  • modular valve
  • delivered without stem package
  • reduced and full bore design
  • EHP certified
  • modular stem
  • Length up to 3000mm, finalized in factory or locally, cuttable
  • installed onto valve by insulator by welding
Vexve water metering flow sensors and apartment unit EVH-230

CHARACTERISTICS:

  • V-15M flow sensors (Qn = 0.3 m) for apartment-based water consumption measurement.
  • Same sensor is suitable for both cold and hot water. The sensor package also contains a shut-off valve equipped with a strainer.
  • Vexve Water Meteringís apartment units are programmed according to flat numbers; all apartment units provide the possibility of connecting an apartment-bases display unit. The unit can also be attached to 1-4 flow sensors.

SERVICES


Sfera is managing a Technical Service able to assure ordinary and extraordinary maintenances with qualified Operators. Sfera offers skilled, licensed and certificated manpower suitable for the construction of new distribution networks and for all types of maintenance.

  • Steel and PEHD

    welding and training

  • Thermographic diagnosis

    FLIR

  • Hot tapping service
  • Survey of leak detection System

    Training and Support

  • PEHD casing joint

    installation and training

  • Valves calibration

    manual and actuated

  • tHoliday Detector Examination

    Insulation Porosity Exam

CLIENTS


  • Aenergia
  • Agsm Verona
  • Al Rafee
  • Atzwanger
  • Biesse Group
  • Ccmc Impianti
  • Cpl
  • Dolomiti Energia
  • Draieh
  • Egea
  • Engie
  • Esse Group
  • FIS Impianti
  • Fratelli Bracchi
  • Futura Impianti
  • Gadotti Fratelli
  • Galletti
  • Gamma Scavi
  • Geo Energy Service
  • Ge.Vi.Co
  • GM Impianti
  • Graziani
  • Hollander
  • IB
  • IMI
  • La Grande Stufa
  • Lavori Stradali & Energia
  • Linea Rete e Impianti
  • Logstor
  • Neptune
  • Nuova Energia Aosta
  • Peintner
  • Powertech
  • Ramaco
  • Riesco
  • Sanikal
  • Sanstar
  • SEI Mantova
  • Sinergica
  • Siteco
  • Sorbitermica
  • Vir
  • Viridia
  • Vulgas

CONTACTS


SFERA ENERGY SOLUTIONS srl
via A. Ponti, 25/A
20010 Cornaredo (MI) — Italy

C.F./P.IVA 06811460960





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