SUN HYDRAULICS
A7K

$138.50 USD

Tags:

SUN HYDRAULICS
Material:A7K
Summary:Manifold

Quantity in stock: 0

Note: Sales tax, and shipping will be calculated at checkout.

***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 A7K (Material Number: A7K) is a versatile manifold specifically engineered for use with solenoid-operated and electroproportional cartridges. This line-mount body type features a unique ninety-degree design with a reverse flow check, accommodating both standard and weatherized coils. The manifold's construction includes additional material around the cavity to ensure adequate coil clearance and incorporates the necessary spotface for Sun's weatherized coil. It boasts 22 mounting holes, each with a diameter of 0.34 inches (8.6 mm), drilled through for secure installation. The manifold supports 11 open cavities, all compatible with T11A cavity specifications, and is equipped with SAE 10 port sizes for fluid connections. Constructed from 6061T651 aluminum, this material choice offers a balance of strength, cost-effectiveness, machinability, availability in various shapes and sizes, and exceptional corrosion resistance without the need for anodizing. This design choice also ensures that the manifold maintains its integrity without compromising on fatigue life or experiencing increased breakaway torque during component removal. The Sun Hydraulics A7K manifold is an ideal solution for applications requiring reliable performance in hydraulic systems where solenoid-operated or electroproportional control is needed.

Description

This manifold is designed to be used with solenoid operated and electro-proportional cartridges. It incorporates extra material around the cavity to provide coil clearance along with the spotface needed for Sun's weatherized coil.

Body Type	Line mountLine mount
Interface	NoneNone
Body Features	Ninety degree with reverse flow check, accepts standard and weatherized coilsNinety degree with reverse flow check, accepts standard and weatherized coils
Mounting Hole Diameter	.34 in.8.6 mm
Mounting Hole Depth	ThroughThrough
Mounting Hole Quantity	22
Open Cavities	11
Cavity	T-11A
Port Size	SAE 10SAE 10

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%.

SUN HYDRAULICSA7K

SUN HYDRAULICS
A7K