Manual or pneumatic valves with straightway flux and no stuffing box.
Flexible and elastic sleeves.
Corrosion and abrasion resistant.
They become and integral part of the machine wich is not subject to deformity.
The sleeve can execute an elevated number of openings and closing in a short time. They are a perfect choice for various uses and are available in a variety of types of rubber: natural Para rubber, pure, odourless rubber for the food industry, Neoprene, EPDM, MNBR, Hypalon, Buna, Butyl, Silicon.
Closing mechanism is completely contamination-free from corrosive liquids and environmental fumes.

Manual or pneumatic Sirsi FLAV valves are used to intercept aggresive, difficult or sensitive fluids where a STAFFING BOX is not admissibile and where contact with mechanical parts is not permitted.
The closing apparatus is controlled by an elastic diaphragm that is pushed into the lower body to obtain a perfect seal.
FLAV diaphragm valves havea wide variety of uses and are available in natural Para rubber, pure Para rubber for the food industry, Neoprene, EPDM, MNBR, Hypalon, Viton, Silicon, Butyl and Teflon.
Valve bodies are available in stainless steel, cast iron, aluminium and with hard rubber, Teflon or Ebonite coatings.
FLAV valves can be operated under high temperature, pressure or vacuum conditions.
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