SUN HYDRAULICS
YRK

$475.80 USD

Tags:

SUN HYDRAULICS
Material:YRK
Summary:Manifold

Quantity in stock: 0

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics YRK (YRK) is a versatile line mount hydraulic manifold designed for four-port directional circuits utilizing logic valves. It features BSP pilot ports and is constructed with a robust 6061T651 aluminum body, known for its excellent corrosion resistance and strength. The manifold includes M10x1.5 threaded mounting holes with a depth of 15.7 mm, accommodating secure installation with two mounting holes available. It comprises open cavities T-17A and port sizes of 3/4 BSPP, making it suitable for various hydraulic applications requiring efficient flow management. This manifold is not anodized, as Sun Hydraulics prioritizes maintaining the inherent corrosion resistance and fatigue life of the 6061 aluminum material. The YRK model is capable of handling system pressures up to 3000 psi (210 bar), although users must consider the maximum system pressure carefully due to material limitations. Its design supports high-flow valve integration, making it an ideal choice for systems demanding reliable performance in controlling hydraulic fluid direction and flow paths efficiently.

Description

Body Type	Line mountLine mount
Interface	NoneNone
Body Features	Four port directional circuit using logic valves, BSP pilot portsFour port directional circuit using logic valves, BSP pilot ports
Mounting Hole Thread	M10x1.5 - 6HM10x1.5 - 6H
Mounting Hole Depth	.62 in.15,7 mm
Mounting Hole Quantity	22
Open Cavities	44
Cavity	T-17A
Port Size	3/4" BSPP3/4" BSPP

Show FAQ

How big is a drop of hydraulic oil?	There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
Why does Sun use 6061 aluminum?	6061-T651 is relatively strong, relatively inexpensive, difficult to machine, readily available in all shapes and sizes and very corrosion resistant. 2024 is stronger and machines beautifully, but is expensive and falls to pieces in a corrosive environment.
Why doesn't Sun anodize their aluminum bodies?	Reasons to anodize: To increase corrosion resistance. Sun uses 6061-T651 aluminum. It is one of the most corrosion resistant aluminum alloys there is. Whether or not anodizing improves the corrosion resistance of 6061 aluminum is debatable. We have yet to have a manifold returned because of corrosion. Appearance (color). The 2 colors that would appeal to Sun would be blue or black. Unfortunately these are the colors that are hardest to do consistently. To provide a hard wear surface. Sun does not make parts-in-body valves. The manifold is just plumbing. We don't need a wear surface. Because everyone else does it. Bad reason. Reasons to not anodize: Cost. It's another process. Logistics. When you make tens of thousands of manifolds a month and you anodize hundreds, it's a problem. Consistency. See above. Stamping. After a body is anodized you cannot do any more stamping without making a mess.Inspection. Have you ever tried to look for burrs in a black anodized body? It's the old blackboard factory at night scenario. Torque. You will experience an increase in breakaway torque when removing items from an anodized manifold. Fatigue life. This is the best reason to not anodize. Fatigue failure is a very complex phenomenon. What it takes to initiate a crack is difficult to predict. What it takes to propagate a crack is readily defined. Anodizing produces a very thin, very hard, and very brittle surface on aluminum. The first time you pressurize an anodized aluminum manifold you have initiated fatigue cracks. Whether or not the stress is enough to propagate the cracks is a matter of pressure and manifold geometry. Anodizing an aluminum manifold grossly reduces the fatigue life by anywhere from 20% to 50%.

Additional Resources

Notes:

Important: Carefully consider the maximum system pressure. The pressure rating of the manifold is dependent on the manifold material, with the port type/size a secondary consideration. Manifolds constructed of aluminum are not rated for pressures higher than 3000 psi (210 bar), regardless of the port type/size specified.

SUN HYDRAULICSYRK

Additional Resources

SUN HYDRAULICS
YRK