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Costruzione cilindri pneumatici e oleopneumatici Manufacturing of pneumatic and oleopneumatic cylinders


Oil-pneumatic units series 340 includes two in-line cylinders, one is rear pneumatic motor, the other is a closed circuit hydraulic cylinder with speed control device.

bores: 40 – 50 – 63 – 80

versions: * piston rod exit regulation – piston rod entry regulation – double regulation (magnetic on request)

fixings: same fixings as for series 319 and 329

* All versions are available with the following pneumatic control devices: rapid nearing (SKIP), normally open stop (STOP), normally closed stop (STOP-NC). Electrical control devices on request.


fluid front chamber: constant viscosity hydraulic oil ISO VG 37 cSt at 40°C t° -40°C ÷ +80°C
fluid rear chamber: filtered and lubricated air
max. pressure: 10 bar
temperature: 0°c ÷ 80°c (-20°c with dry air)
controlled speed:
– min. 40 mm/min max 12 m/min (bore 40÷50)
– min. 40 mm/min max 5 m/min (bore 63÷80)


end covers: aluminium alloy (oxid. black)
front tube: hard oxidised aluminium
rear tube: hard oxidised aluminium
piston rod: chromed C40 steel
seals: anti-oil rubber NBR
piston rod seal: polyurethane

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