SERIE 3500

Low Flow Valves

Microflow control valves with solid and compact shape, for low flow laboratory are designed for precision controlling (high rangeability 50:1). The body is manufactured from bar stock in stainless steel AISI 316L. Actuator and yoke are in stainless steel AISI 304. All Burocco valves are delivered as tested units and ready for a long lasting, maintenance free operation.


  • Size (DN): DN 4—10 (1/4”)
  • Pressure rating: UNI/DIN PN40, ANSI300
  • Connections: Threaded 1/4” GAS, NPT ; Welded BW, SW
  • Type sealing: Metallic (Class IV – VI)
  • Characteristic: Equalpercentage (eqp%)
  • Action: Pneumatic with diaphragm (supply max 3 bar)
  • Temperature: -30 to +180ºC


  • Characteristic linear
  • Special alloys for body: Hastelloy, Duplex, Monel
  • Special rating PN63/100
  • Valve positioners
  • Limit switches
  • Position feedback
  • Airset