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K12

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  • K12
K12 - Metal Case Double Wiper
  • General Features
  • Technicial Specifications
   KASTAS NO d (f8) D(H8) S1 (-0/+0,3) b c
 K12-020 20 32 6 9 0,6
 K12-025 25 37 6 9 0,6
 K12-030 30 42 6 9 0,6
 K12-032 32 44 7 10 0,6
 K12-035 35 47 7 10 0,6
 K12-040 40 52 7 10 0,6
 K12-045 45 57 7 10 0,6
 K12-050 50 62 7 10 0,6
 K12-055 55 69 8 11 0,8
 K12-060 60 74 8 11 0,8
 K12-065 65 79 8 11 0,8
 K12-070 70 84 8 11 0,8
 K12-075 75 89 8 11 0,8
 K12-080 80 94 8 11 0,8
 K12-085 85 99 8 12 0,8
 K12-090 90 104 8 11 0,8
 K12-095 95 109 8 12 0,8
 K12-100 100 114 8 11 0,8
 K12-105 105 121 9 12,5 1
 K12-110 110 126 9 12 1
 K12-115 115 131 9 12 1
 K12-120 120 136 9 12 1
 K12-130 130 146 9 12 1
 K12-140 140 160 10 14 1,2
 K12-145 PU 145 165 10 14 1,20

K12 is a single acting scrapper ensuring that foreign particles are not introduced into the hydraulic cylinders , avoiding wear and damage to all the internal components including seals.

PRODUCT ADVANTAGES
• Superior scraping effect
• Simple , easy-construction groove
• No twisting in the housing
• Design in a way that the wiping lip contacts with the rod surface to remove heavily deposited mud , ice , etc so that the particles do not enter into the cylinder
• Outside diameter contacts the housing and has a sealing lip to prevent moisture entering the groove.

APPLICATION
Especially used in heavy construction machinery that operate in the open field , telescopic cylinders , cranes , mining equipment and loading platforms.

MATERIAL   CODE
PU 95 SHORE A PU9501
STEEL  ST37 FE9901
OPERATING CONDITIONS
MEDIA Mineral oils (DIN 51524)  HFA and HFB HFC
TEMPERATURE -30°C +100°C +5°C +50°C -30°C +40°C
SPEED ≤1.0 m/sn ≤1.0 m/sn ≤1.0 m/sn
Note: The above data are maximum values and cannot be used at the same time.

   

SURFACE ROUGHNESS Ra Rmax
Sliding Surface Ød ≤0.4 μm ≤3.2 μm
Groove Base  ØD ≤1.6 μm ≤10 μm
Groove Flanks S1 ≤3.2 μm ≤16 μm

INSTALLATION
Open housing is recommended but closed grooves can be used for wipers bigger than 40 mm inner diameter. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the wiper must be oiled with system oil.

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