• Cleaning cover RD 250-4 and RD 250/235 for steel oil tanks of low size
• Cleaning cover RD 250 and RD 475 acc. to DIN 24339 
• Formgasket available of perbunan (NBR standard), viton (FPM) and EPDM 
• Screw torque for this cleaning covers 20 Nm max.
• Test pressure for all RD types 0,5 bar max.
• All sizes also available in steel and stainless steel
• Available with custom logo lasered, also in small quantity available