DNC ISO 15552 / ISO 6431 Pneumatic Cylinder Repair Kits

restore peak performance and extend the service life of your ISO 15552 / ISO 6431 compliant DNC cylinders. These comprehensive kits provide all essential high-quality seals and components for routine maintenance or complete repair. A cost-effective solution to ensure optimal operation and prevent leaks in your DNC pneumatic actuators.


Technical Parameter


Model/Specification Part name Material Part name Material
NDC Kits(ISO6431&VDMA24562) Bore

size:Φ32.40.50.63.80.100.125

Front cover Aluminum alloy Piston seal NBR
Back cover Aluminum alloy Wear ring PA66
Piston Aluminum alloy Self lubricating bearing PTFE+Brass
Pison rod(Without) S45C hard chrome carbon steel Magnet(optional) RbFeb
Barrel(Without) Hard anodized Aluminum Cushion needle Brass
Front Cover seal PU Hexagon screw Carbon steel
Cushion seal NBR Nut Carbon steel
Piston rod O-ring NBR Profile bolt Carbon steel
Cover O-ring NBR  

Dimension Drawing


DNC ISO 15552 ISO 6431 Pneumatic Cylinder Repair Kits Overall Dimensions

NO Designation NO Designation NO Designation NO Designation NO Designation
1 Nut 5 O-ring 9 Cushion seal 13 Rod O-ring 17 Wear ring
2 Profile bolt 6 Adjustable screw 10 Cover O-ring 14 Piston seal 18 Hex Socket Screw
3 Front Cover seal 7 Block slip 11 Barrel(Without) 15 Magnet(optional) 19 Back cover
4 Front Cover 8 Self Lubricatiing bearing 12 Pison rod(Without) 16 Piston  

Dimension Drawing


DNC ISO 15552 ISO 6431 Pneumatic Cylinder Repair Kits Overall Dimensions

NO Designation NO Designation NO Designation NO Designation NO Designation
1 Nut 5 O-ring 9 Cushion seal 13 Rod O-ring 17 Wear ring
2 Profile bolt 6 Adjustable screw 10 Cover O-ring 14 Piston seal 18 Hex Socket Screw
3 Front Cover seal 7 Block slip 11 Barrel(Without) 15 Magnet(optional) 19 Back cover
4 Front Cover 8 Self Lubricatiing bearing 12 Pison rod(Without) 16 Piston  
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