K37 HYDRAULIC ROD SEAL

K37 is a two piece single acting rod seal which consists of areinforced cotton fabric and nitrile rubber vulcanized togetherforming an integral sealing element and one thermoplasticback-up ring.

PRODUCT ADVANTAGES
• Functions even with poor surfaces
• Reinforced cotton fabric base prevents the seal from extrusion
• Good sealing effect at low pressures
• Improved sealing gap due to the active back-up ring

APPLICATION
Mining equipment , after market , mobile hydraulics , presses andstandard cylinders.

MATERIAL

CODE

NBR

80 SHORE A

NB8001

COTTON FABRIC NBR

FB8001

POM

PM9901

OPERATING CONDITIONS
MEDIA	Mineral oils(DIN 51524)	HFA ve HFB	HFC
TEMPERATURE	-30°C +105°C	+5°C +60°C	-30°C +60°C
PRESSURE	≤400 Bar	≤400 Bar	≤400Bar
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	≤3.2 μm
Groove Base ØD	≤1.8 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 K37 is to be assembled into open grooves. It is very important thatthe assembly tools must be of soft material and have no sharpedges. Before installation all individual parts of the seal must beoiled with system oil. NOTES The permissible sealing gap values of K37 rod seal is givenin the below table.

PERMISSIBLE SEALING GAP
Pressure (Bar)	Smax (mm)
150	0.4
250	0.1
400	0.2

Note: 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.

More Information
Type	K37 ROD-SEAL
วัสดุ(Material)	NBR


	ชื่อสินค้า	ราคา	จำนวน	ID	OD	Thickness	Thickness2	Type	Part NO	Material
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