SUN HYDRAULICS
H4L

SUN HYDRAULICS
Material:H4L
Summary:Manifold

Due to extremely high demand, please call 877-366-7226 for availability

***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 H4L (H4L) is a specialized line mount hydraulic manifold designed for applications requiring a ninety-degree flow path with reverse flow check and reducing capabilities. This product features a robust construction with open cavities and is compatible with T-17A cavities, making it suitable for various hydraulic systems that necessitate precise flow control and pressure regulation. The manifold accommodates SAE 12 port sizes, providing flexibility in system integration. With a mounting hole diameter of .41 inches (10.4 mm) and a through depth configuration, installation is straightforward, ensuring secure attachment with its two mounting holes. The H4L is crafted from 6061 aluminum, known for its impressive corrosion resistance and strength-to-weight ratio, making it an ideal choice for environments where durability is critical. However, it should be noted that this aluminum manifold is not rated for pressures exceeding 3000 psi (210 bar). This product's design ensures efficient fluid handling while minimizing potential fatigue failures associated with anodized surfaces, offering reliable performance in demanding hydraulic applications.

Description

Body Type	Line mountLine mount
Interface	NoneNone
Body Features	Ninety degree with reverse flow check - reducingNinety degree with reverse flow check - reducing
Mounting Hole Diameter	.41 in.10,4 mm
Mounting Hole Depth	ThroughThrough
Mounting Hole Quantity	22
Open Cavities	11
Cavity	T-17A
Port Size	SAE 12SAE 12

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 HYDRAULICSH4L

Additional Resources

SUN HYDRAULICS
H4L