(pack) Piston packing K18 NBR/TPE/POM ID 175mm-280mm (choose dimensions)

Description

Welcome to our oil seal store. Huge amount of different dimensions and materials are on stock!! Don´t hasitate to contact us. We also have o-ring store, bearing store,chain store,
hydraulic and pneumatic seals store, belt store, etc - we can send together.
Most of oil seals are on stock, so we are usually shipping within 2 bussiness days.
Longer handling time 10-20 days occures just on sold out items.
We can also use UPS express shipping. Shipping rates are: UPS to USA
30USD,
UPS to Europe, U.K, Germany, France
20USD,
UPS to N.a S.America, Canada, Mexico, Brazil, Asia, China, Japan, Australia
50USD
K18 is a five piece double acting compact seal which consists of one elastomeric nitrile rubber sealing element , two polyester elastomer back-up rings on both sides to prevent extrusion into the sealing gap and two special profiled guide rings produced from thermoplastic to absorb transverse forces.
PRODUCT ADVANTAGES
• Superior sealing performance
• Economic sealing and guiding solution
• Simple groove design , one-piece piston possible
• Long service life
• Simple snap installation
APPLICATION
Construction machinery , fork-lift trucks , injection moulding machines , agricultural machinery , cranes and standard cylinders.
MATERIAL
CODE
NBR
80 SHORE A
NB
8001
TPE
TP
7301
POM
PM
9901
OPERATING CONDITIONS
MEDIA
Mineral oils (DIN 51524)
HFA and HFB
HFC
TEMPERATURE
-30°C +105°C
+5°C +60°C
-30°C +60°C
PRESSURE
≤400 Bar
≤400 Bar
≤400 Bar
SPEED
≤0.5 m/sn
≤0.5 m/sn
≤0.5 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
≤4.0 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
Easily assembled into one-piece piston because the back-up rings and guide rings are been produced in split forms. 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
For special applications that require high temperatures , piston seal is manufactured in FKM and PTFE material.