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High-quality aluminum and zinc castings engineered for sanitary applications—delivering consistent cosmetics, reliable performance, and cost-effective production for medium-volume runs.

What Is Gravity Die Casting?

Gravity die casting is a permanent-mold casting process in which molten non-ferrous metal (commonly aluminum or zinc) is poured into a reusable steel or cast-iron die and allowed to fill and solidify under gravity. Compared with high-pressure die casting, it uses simpler equipment and lower tooling stress while delivering good surface finish, consistent part quality, and moderate dimensional accuracy—attributes well suited for custom faucet components. The method is economical for medium production runs (roughly 250–50,000 units annually), offering faster cycle times and better repeatability than sand casting, with reduced labor and improved total cost of ownership when durable metal dies are used. Gravity die casting is a practical choice when you need complex shapes, reliable cosmetics, and cost-effective production for sanitary hardware.

Benefits of Die Casting

High-quality surface finish & repeatability

Gravity die casting produces parts with smooth cosmetic surfaces and consistent results, ideal for visible components like faucet bodies and trims.

Reliable dimensional accuracy

When process parameters and alloys are controlled, the method yields stable dimensional precision suitable for mating features and assemblies.

Cost-effective for medium runs

Economical for volumes roughly 250–50,000 units per year, offering lower tooling stress and total cost than high-pressure die casting at smaller batch sizes.

Lower scrap and porosity

Properly optimized operations minimize defects and porosity, increasing yield and reducing rework for finished faucet components.

Materials for Gravity Die Casting

Aluminum Alloys: Lightweight, good fluidity and machinability; ideal for faucet bodies, spouts, and trim with excellent finishability.
Zinc Alloys (Zamak) :Excellent surface detail and plating adhesion; preferred for decorative faucet components and precision trims.
Magnesium Alloys:Best strength-to-weight ratio for lightweight structural parts; requires strict process controls due to flammability.

Copper Alloys / Brass:Durable and corrosion-resistant; used for functional valve bodies and hardware but needs tighter casting control.
Cast Iron & Steel (limited): :Used selectively for heavy structural parts or tooling; uncommon for typical sanitary fixtures.

Choose material based on function (cosmetic vs. structural), finish requirements, and production volume — aluminum and zinc are usually the default for most faucet applications.

Surface Finishing:

Polishing / Buffing

Removes casting marks and porosity; yields a smooth satin or mirror substrate for superior appearance and plating adhesion.

Electroplating (Ni + Cr)

Nickel underplate + chrome topcoat for bright chrome aesthetics with improved corrosion and wear resistance.

PVD Coating

Hard, long-lasting thin films (matte black, gunmetal, champagne/gold) with excellent scratch resistance and no hexavalent chrome.

Sandblasting / Brushed Finish

Uniform matte or directional texture that hides minor blemishes and resists fingerprints.

High Standard Quality Control

Quality control for gravity die casting ensures parts — especially critical faucet components — meet specification and regulatory standards under an ISO9001 system. It covers incoming material verification, tooling checks, and tight process controls (melt chemistry/temperature, pour rate, die temperature, and cycle parameters), plus in-process monitoring. Finished-part verification includes dimensional inspection (CMM), NDT (X-ray or dye-penetrant), mechanical tests, surface/finish and plating audits, and packing checks. All results are traceable through FAI/PPAP, SPC monitoring, and corrective-action records to guarantee consistent, production-ready parts.

Why Choose JEKARE for Gravity Die Castings?

At JEKARE, we combine proven gravity die casting expertise with advanced manufacturing and responsive service to deliver reliable solutions for custom faucet and precision metal components.

Tailored Engineering Solutions

We collaborate closely with customers to design and manufacture gravity-cast parts that meet exact functional, dimensional, and aesthetic requirements, with strong experience in custom faucet applications.

Flexible Material Selection

Our capabilities include aluminum, brass, bronze, and other engineered alloys, carefully selected to ensure strength, corrosion resistance, and long-term performance.

Value-Added Finishing & Machining

We offer powder coating, plating, and precision machining to achieve tight tolerances, superior surface quality, and durable finishes suitable for sanitary and decorative products.

Strict Quality Assurance

Every casting is produced under robust quality control systems, with full inspection documentation and certifications available to ensure consistent, production-ready results.

Explore Our Product Categories

Discover our diverse range of high-quality shower heads,faucets,toilet seat and accessories,designed to meet the custom needs of every style and budget.

Toilet Seat

Faucets

Shower Heads

Accessories

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