1,cylinder material: alloy steel 34 Cr Mo4
2,with CE EN3 BSI approval
specification: from 2kg to 5kg
material for choosing: carbon steel/alloy steel/stainless steel
cylinder diameter: 2kg--103.5mm 5kg----136mm
height: 2kg--475mm 5kg--650mm
connection thread: PZ 27.8
filling rate: 0.67
working temperature: -30 celsuis degree to 60 celsuis degree
capacity: 3L--2kg 7.5L--5kg
max working pressure: about 17.4 MPa
cylinder weight: 3.8kg--2kg 8kg--5kg
certification: CE EN3 BSI TUV SP ISO9002