K09 WIPER 20X28X4/7 NBR

K09 is a single acting wiper ensuring that foreign particles are not introduced into the hydraulic systems , avoiding wear and damage to all the internal components including seals.

PRODUCT ADVANTAGES
•   Very good wiping performance
•   No twisting in the housing
•   Specially design to prevent big particles to go into the system
•   Wide range of dimensions
•   Used in heavy conditions by the good mechanical properties of        PU material
•   Secure seating into the groove

APPLICATION
Construction machinery , forklift-trucks , injection moulding machines , agricultural machinery and standard cylinders.

MATERIAL		CODE
NBR	90 SHORE A	NB^₉₀₀₁
PU	92 SHORE A	PU^₉₂₀₁

OPERATING CONDITIONS

NBR
MEDIA	Mineral oils (DIN 51524)	HFA and HFB	HFC
TEMPERATURE	-30°C +105°C	+5°C +60°C	-30°C +60°C
SPEED	≤1.0 m/sn	≤1.0 m/sn	≤1.0 m/sn
PU
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 S^₁	≤3.2 μm	≤16 μm
INSTALLATION Generally , wiper can be easily fitted into the closed housing by deforming into a kidney shape. 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.
NOTES K09 wipers are single acting and can be used with combination of all rod sealing elements. K09 wipers can be produced on request in FKM material for special applications that require high temperatures.

More Information
น้ำหนัก/หน่วย (กก.)	0.1000
Application หรือ MEDIA ที่เหมาะกับการใช้งานใช้งาน	Construction machinery , forklift-trucks , injection moulding machines , agricultural machinery and standard cylinders.
Temperature Range Min °C	-30°C
Temperature Range Max °C	105°C
หน่วยวัด	mm
แบรนด์	Kastas
I.D. เส้นผ่านศูนย์กลางวงใน	20
OD เส้นผ่านศูนย์กลางวงนอก(มม)	28
THK ความหนา	4
Type	K09 WIPER
Part NO	K09-020
วัสดุ(Material)	PU

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