Custom-made products

Cylinder tube

Material	ST52-3 DIN2393
Certificate	EN10204 3.1B / EN29002
Bores	25-160 mm
Internal tolerance	H9 mm
Roughness	RA 0,2 - 0,7 µm

Stelo

Material	2C45
Certificate	DIN 17200 - EN 10204/2.2
Chrome thickness	30 µm
Chrome hardness	HRC 67-70
Roughness	RA < 0,2 µm
Porosity	BSS 4641 B
Tolerance	ISO f7
Straightness	0,2 mm on a 1000 mm
Corrosion test	EN 4540 class 9 - 100 hours

All tubes and piston rods mounted on FAROIL products are supported by manufacturers together with Quality Certificates ensuring their quality standards.

Range

Max/Minimum dimension Bores Min 25 mm Max 160 mm Rod 16 mm 100 mm Continuous working Pressure 210 bar 210 bar 210 bar 210 bar 210 bar 210 bar 210 bar 210 bar 210 bar Peak Pressure 250 bar 250 bar 250 bar 250 bar 250 bar 250 bar 250 bar 250 bar 250 bar Test Pressure 300 bar 300 bar 300 bar 300 bar 300 bar 300 bar 300 bar 300 bar 300 bar Max Temperatur 90°C 90°C 90°C 90°C 90°C 90°C 90°C 90°C 90°C

Cleaning: All cylinder tubes are cleaned in a multistage ultrasonic bath, to guarantee a cleaning class in respect of NAS standards.

Seal: all cylinders undergo tests to ensure a complete sealing

Welding: all welding operations are carried out in compliance with UNI 258/257 standards

Joints: are available for all standards versions or on client's specifications.