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K703 is a two piece single acting wiper which consists of one special designed PTFE profile ring and an o-ring as energizing element. K703 ensures that foreign particles are not introduced into the hydraulic systems , avoiding wear and damage to all the internal components including seals.

PRODUCT ADVANTAGES
• Low friction , free of stick-slip
• Long service life
• High sliding speed
• Space-saving construction
• Wide range of temperature and chemicals depending on the o-ring material
• Wide range of dimensions

APPLICATION
Mobile hydraulics , aluminum injection machines and industrial equipment.

MATERIAL   CODE
NBR 70 SHORE A NB7001
PTFE   PT6003
OPERATING CONDITIONS
MEDIA Mineral oils(DIN 51524)  HFA ve HFB HFC
TEMPERATURE -30°C +105°C +5°C +60°C -30°C +60°C
SPEED ≤5.0 m/sn ≤5.0 m/sn ≤5.0 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 ≤6.3 μm
Groove Flanks  B ≤3.2 μm ≤16 μm
Note: It is recommended to have 50% to 90% of the working surface material contact area value
 

INSTALLATION
We recommend using special assembly tool (See section; Hydraulic Sealing Elements General Installation Information). It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.

NOTES
When K703 wiper is being used with double lip sealing element we recommend a pressure relieving bore between the seal and wiper. For special applications that require high temperatures or resistance to chemicals , piston seal is being manufactured with special mixture PTFE and FKM material.

More Information
น้ำหนัก/หน่วย (กก.)0.1000
Application หรือ MEDIA ที่เหมาะกับการใช้งานใช้งานMobile hydraulics , aluminum injection machines and industrial equipment.
Temperature Range Min °C-30
Temperature Range Max °C105
หน่วยวัดmm
แบรนด์Kastas
I.D. เส้นผ่านศูนย์กลางวงใน135
OD เส้นผ่านศูนย์กลางวงนอก(มม)147.2
THK ความหนา8.1
TypeK703 WIPER
Part NOK703-135
วัสดุ(Material)NBR, PTFE
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SKU
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฿1,331.00

K703 WIPER 135X147.2X8.1 TL

Wipers / K703

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