DSH-Professional Cylinder Rod Seals Rod Seal Catalogue Manufacture-7
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Yxd-PU U-Cup Hydraulic Cylinder  Rod Seal

Yxd-PU U-Cup Hydraulic Cylinder Rod Seal

Type
Yxd
Delivery Time
3-7 days
Quality
High-quality
Service
Standard product/Customized product
Brand
DSH
Price
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The hydraulic cylinder rod seal, also abbreviated as hydraulic rod seal or hydraulic cylinder seal, is often installed in the dust seal inside the hydraulic cylinder end cap. Acting as one of the primary pressure bearing components, the hydraulic rod seal prevents the hydraulic oil from leaking, and this means the rod seals hold compression force in the cylinder by preventing fluid from leaking out. The leakage happening through the hydraulic rod seal will eventually affect the equipment performance or even lead to environmental issues.


The robust seal profile enables it to use in the hardest operating conditions, such as high-pressure applications. The hydraulic field is hugely demanding for the seals. The hydraulic cylinder seals not only prevent the fluid leakage from the cylinder, but they are required to withstand high pressures, extreme temperatures, and transverse forces within the cylinders. In such applications, the function of the hydraulic rod seal goes far beyond preventing fluid leakage. Usually, the working medium of the seals is water, air, mineral oil-based hydraulic fluids, barely flammable hydraulic fluids, or other kinds of chemical liquids. Of course, there are many different cross-section forms and materials for the hydraulic rod seal. The cross-section and materials should be chosen mainly based on what kind of working conditions is. Generally speaking, selecting the right seal is vital for guaranteeing the best performance for hydraulic cylinder applications. Commonly used in the hydraulic system, the hydraulic cylinder seal has stable pressure holding capability in the static condition, excellent pressure-bearing capability in operation, good sealing effect, small friction coefficient, as well as remarkable extrusion resistance. Usually, the hydraulic cylinder seals are made of Polyurethane (PU), fluoro rubber (FKM) or nitrile -butadiene rubber (NBR) materials.


Here, the Polyurethane hydraulic seal/PU rod seal will emphatically introduce. Polyurethane material, regarded as the best insulation materials in the world, can ensure maximum durability and performance with minimum maintenance of the seal. The hydraulic cylinder seal DSH Seals offers is fabricated from high-grade materials in compliance with the standards. When it comes to sealing the hydraulic cylinder, the PU rod seals in DSH Seals are the best choice due to the following characteristics.


-High-pressure resistance. The PU materials itself feature excellent physical properties and often used in medium or high-pressure conditions.

-Extraordinary efficiency. The PU rod seal is specially engineered for the hydraulic system with an excellent sealing effect.

-Excellent wear resistance.

-Better compression performance. It has a strong ability to rebound to its original shape after compression without sacrificing tensile strength and the hardness levels of the hydraulic rod seal.

-Wide working temperature range. The hydraulic rod seal can work stably under extreme temperatures without seal degradation.

-Excellent capability in compensating the deflection of the piston rod.

-Easy installation and replacement.



◆◆ PU, NBR, FKM


Material DescriptionPU, FKM, NBR, and so on.
Available ColorBlack, red, blue
Material Strength

The piston Y ring made of PU material has excellent wear resistance, high-pressure resistance, low permanent compression deformation, and strong resistance to extrusion.

Temperature-35~+120℃
Speed1m/s
Pressure≤40MPa
MediumMineral oil based hydraulic fluids,barely flammable hydraulic fluids,water,air and others.
Applied DeviceMobile hydraulics / Standard cylinders /Machine tools/Injection moulding machines/Presses, etc.


DSH-Professional Cylinder Rod Seals Rod Seal Catalogue Manufacture
DSH-Professional Cylinder Rod Seals Rod Seal Catalogue Manufacture-1
DSH-Professional Cylinder Rod Seals Rod Seal Catalogue Manufacture-2
DSH-Professional Cylinder Rod Seals Rod Seal Catalogue Manufacture-3


◆◆ U-Cup For Rod - Yxd


DSH-Professional Cylinder Rod Seals Rod Seal Catalogue Manufacture-4

Technical Data

PressureTemperatureSliding speedMedium
Standard≤40 Mpa-35…+120 ℃≤1 m/sMineral oil based hydraulic fluids,barely flammable hydraulic fluids, water,air and others.
Material
StandardPU(shore90-95A)
Special(on request)FKM
Pressure160bar250bar400bar
Max Gap EE≤0.6mmE≤0.4mmE≤0.4mm
Order Example for standard version:
Diameter d=100mm   
Order Code: Yxd100*112*14
Installation Dimension table based on Metric Size(mm)
d h9D H9HL1 +0.2L2 +0.2C≥R1≤
20~28d+688.51130.4
16~55d+81011133.50.8
55~160d+1214151751.2
100~300d+161819226.51.2
320~690d+2424262971.6
Order Numberd h9D H9 HL1 +0.2L2 +0.2
Order Numberd h9D H9 HL1 +0.2L2 +0.2
Yxd016162288.511Yxd125125137141517
Yxd016A1624101113Yxd125A125141181922
Yxd018182488.511Yxd130130142141517
Yxd018A1826101113Yxd130A130146181922
Yxd020202688.511Yxd140140152141517
Yxd020A2028101113Yxd140A140156181922
Yxd022222888.511Yxd150150162141517
Yxd022A2230101113Yxd150A150166181922
Yxd025253188.511Yxd160160172141517
Yxd025A2533101113Yxd160A160176181922
Yxd028283488.511Yxd170170186181922
Yxd028A2838101113Yxd180180196181922
Yxd0303038101113Yxd190190206181922
Yxd0323240101113Yxd200200216181922
Yxd0353543101113Yxd210210226181922
Yxd0363644101113Yxd220220236181922
Yxd0404048101113Yxd230230246181922
Yxd0454553101113Yxd240240256181922
Yxd0505058101113Yxd250250266181922
Yxd0555563101113Yxd260260276181922
Yxd055A5567141517Yxd280280296181922
Yxd0606072141517Yxd290290306181922
Yxd0636375141517Yxd300300316181922
Yxd0656577141517Yxd320320344242629
Yxd0707082141517Yxd340340364242629
Yxd0757587141517Yxd350350374242629
Yxd0808092141517Yxd380380404242629
Yxd0858597141517Yxd400400424242629
Yxd09090102141517Yxd410410434242629
Yxd09595107141517Yxd420420444242629
Yxd100100112141517Yxd450450474242629
Yxd105105117141517Yxd500500524242629
Yxd105A105121181922Yxd530530554242629
Yxd110110122141517Yxd550550574242629
Yxd110A110126181922Yxd560560584242629
Yxd115115127141517Yxd630630654242629
Yxd115A115131181922Yxd650650674242629
Yxd120120132141517Yxd680680704242629
Yxd120A120136181922Yxd690690714242629
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