Description: Normal 0 21 false false false MicrosoftInternetExplorer4 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 50USDK21 is a single acting piston - rod seal and designed to have symmetrical lips in order to be used both for rod and piston applications. PRODUCT ADVANTAGES • Superior static and dynamic sealing effect• Wide range of dimensions• Easy assembly into closed grooves• Simple groove design• Economical sealing solution APPLICATIONConstruction machinery , fork-lift trucks , injection moulding machines , agricultural machinery , loading platforms and standard cylinders. MATERIAL CODENBR 90 SHORE A NB9001PU 92 SHORE A PU9201 OPERATING CONDITIONS NBRMEDIA Mineral oils(DIN 51524) HFA and HFB HFCTEMPERATURE -30°C +105°C +5°C +60°C -30°C +60°CPRESSURE ≤150 Bar ≤150 Bar ≤150 BarSPEED ≤0.5 m/sn ≤0.5 m/sn ≤0.5 m/sn PUMEDIA Mineral oils(DIN 51524) HFA and HFB HFCTEMPERATURE -30°C +100°C +5°C +50°C -30°C +40°CPRESSURE ≤400 Bar ≤400 Bar ≤400 BarSPEED ≤0.5 m/sn ≤0.5 m/sn ≤0.5 m/snNote: The above data are maximum values and cannot be used at the same time. SURFACE ROUGHNESS Ra RmaxSliding Surface ØD-Ød ≤0.4 μm ≤3.2 μmGroove Base ØDb-Ødp ≤1.6 μm ≤10 μmGroove Flanks B ≤3.2 μm ≤16 μmNote: It is recommended to have 50% to 90% of the working surface material contact area value. INSTALLATIONEasily assembled into closed grooves according to the minimum diameter values that are given in the below table. Open grooves or special assembly tools should be used for the values that are outside this table. 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. MINUMUM DIAMETER VALUES FOR CLOSED TYPE OF GROOVES(D-d)/2 (mm) 4 5 6 7.7 10 12.5 15dmin (mm) 25 30 40 50 80 100 105NOTES For special applications that require high temperatures , K21 can be produced in FKM material. The permissible sealing gap values of K21 piston -rod seal is given in the below table. PERMISSIBLE SEALING GAP NBR Smax (mm)t=(D-d)/2 50 Bar 100 Bar 150 Bart≤5 0.40 0.20 0.10t>5 0.45 0.25 0.15 PU Smax (mm)t=(D-d)/2 150 Bar 250 Bar 400 Bart≤5 0.30 0.20 0.15t>5 0.35 0.25 0.20Note: The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is quite important to use the S value lower than the above indicated numbers.
Price: 1.26 USD
Location: Horni Tosanovice, North Moravia
End Time: 2023-11-26T08:14:56.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Restocking Fee: No
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return shipping will be paid by: Buyer
MPN: Does Not Apply
Brand: Unbranded/Generic
Available Variations
Color: 1
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Available Quantity: 100
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