Featured Brass Plumbing & Drain Fittings
Direct-from-factory high-performance flush connection spuds, flanges, and strainer components certified to strict North American UPC/cUPC benchmarks.
Engineering Authority: Commercial Brass Closet Spuds
Comprehensive metallurgical, structural, and mechanical overview of solid brass closet and urinal spuds in high-cycle flushometer plumbing systems.
Metallurgical Superiority & DZR Alloys
Commercial plumbing fixtures experience continuous hydraulic pressure surges, thermal cycling, and chemical exposure from commercial cleaning agents. JANA manufactures closet spuds using Dezincification Resistant (DZR) C36000 and C37700 brass alloys, effectively eliminating intergranular stress corrosion cracking and guaranteeing a structural lifetime exceeding 25+ years without wall degradation.
CNC Thread Geometry & Friction Fit
A water-tight seal between vitreous china and flushometer valves hinges entirely on the spud's mechanical precision. Our computer-controlled lathes cut ANSI/ASME standard machine threads with zero taper anomalies. Coupled with industrial-grade synthetic elastomer compression gaskets and brass friction rings, our spuds provide maximum axial clamping force without cracking the porcelain fixture bowl.
Hydraulic Integrity & Water Hammer Absorption
Every instantaneous flush cycle induces localized pressure spikes up to 80 PSI. Thin-walled stamped spuds distort over time, precipitating sewer gas leakage and wastewater seepages. JANA cast and heavy-forged brass closet spuds feature a thickened flange wall (minimum 2.5mm uniform thickness), preventing ovalization and sustaining 100% airtight containment under heavy institutional usage.
Wholesale Brass Spud Dimension Matrix
Engineered for commercial flush valves, flushometers, urinals, and floor/wall water closets across global master plumbing codes.
| Nominal Size | Fixture Hole Diameter | Material Grade | Standard Gasket Compound | Primary Commercial Use Case |
|---|---|---|---|---|
| 2" x 2" Heavy Duty | 2.75" - 3.25" | Forged Solid Brass C37700 | EPDM High-Compression / Fiber Washer | Commercial Floor-Mounted Tankless Water Closets |
| 1-1/2" x 1-1/2" Universal | 2.00" - 2.50" | Cast DZR Brass C36000 | Nitrile / Neoprene Chemical-Resistant | Standard Commercial Flushometer Water Closets |
| 1-1/4" x 1-1/4" Institutional | 1.75" - 2.125" | Machined CW617N / C36000 | Pre-formed Ribbed Heavy Rubber | Specialty Juvenile Fixtures & Retrofit Flush Systems |
| 1" x 3/4" Urinal Spud | 1.25" - 1.50" | Dezincification Resistant Brass | Acid & Urine-Resistant Fluorosilicone | Commercial High-Efficiency Urinals (HEU) |
| 3/4" x 3/4" Urinal Spud | 1.125" - 1.375" | Solid Brass Extrusion | EPDM Anti-Ageing Friction Gasket | Standard Commercial Urinal Valve Connections |
Strategic Dual-Plant Global Supply Chain
Combining China's deep industrial tooling ecosystem with Thailand's tariff-optimized export manufacturing infrastructure.
Yuhuan, China: Precision Hub
Located in the world capital of brass valve manufacturing, our headquarters in Yuhuan, Zhejiang encompasses complete internal vertical integration: forging, progressive tooling design, five-axis CNC machining, ultrasonic degreasing, electroplating, and quality assurance auditing.
Thailand Expansion: Risk Diversification
Our Gateway Enterprise Corporation facility in Kabinburi Industrial Zone, Prachinburi (14,400 m², active since late 2023) shields global wholesale partners from geopolitical and trade tariff volatility, granting direct non-tariff advantages into North American distribution hubs.
Rigid Quality & Defect Mitigation
Through robotic handling, coordinate measuring machines (CMM), and 100% optical sorting on critical thread pitches, we maintain sub-50 PPM (parts per million) defect rates across multi-container annual supply contracts with Fortune 500 building supply brands.
Meeting Institutional B2B Procurement Standards
Tailored manufacturing support engineered around contractor kit builders, hardware distributors, and sanitary ware OEMs.
Private Labeling & Barcode Packaging
Full support for private-branded packaging including polybag assemblies with hanging cards, clamshell displays, bulk corrugated master cartons, and ANSI/GS1 barcoded logistics labeling tailored to retail supply lines.
Complete Assembly Bundles
We eliminate sourcing fragmentation by supplying full closet spud assemblies including precision brass body, extra-deep brass hex locknut, extruded brass friction washer, and application-specific rubber compression gaskets.
Custom Engineering & Tooling Turnaround
For custom historical architectural preservation, non-standard chinaware throat depths, or specialized defense/institutional contracts, our mold workshop delivers prototype tooling in 18 business days.
Localized Deployment Scenarios
Where engineering reliability counts: high-demand commercial sanitary installations.
Healthcare & Hospitals
Requiring lead-free compliance, smooth hydraulic surfaces that prevent bacterial accumulation, and extreme tolerance to hospital chemical disinfectants.
Educational Campuses
Engineered to resist mechanical tampering, extreme repeated flush impacts, and accidental lateral fixture stresses in high-traffic school restrooms.
Airports & Stadiums
Capable of supporting hundreds of automated flush cycles hourly without pressure loss, joint creep, or washer extrusion.
Correctional Facilities
Reinforced heavy-pattern bodies designed for rear-chase vandal-resistant fixture mountings and concealed flushometer piping.
Frequently Asked Questions (FAQ)
Direct answers to core compliance, operational, and sourcing inquiries.
What is the standard lead time for wholesale container shipments?
Standard lead times for full container loads (FCL) of standardized brass closet spuds and flanges range from 30 to 45 days. Rapid replenishment programs are supported for recurring monthly blanket orders through our Ningbo and Thailand export hubs.
Are your brass closet spuds certified for AB1953 lead-free mandates?
Yes. Our brass formulations comply fully with California AB1953, Vermont Act 193, and NSF/ANSI 372 standards, maintaining weighted average lead contents below 0.25% with full third-party test reports available on request.
Can you provide custom-threaded or extra-long spuds for non-standard vitreous china?
Our in-house CNC lathe tooling team specializes in producing extended shank patterns, specialty throat depths, and custom metric or British standard pipe threads (BSPP/BSPT) matching OEM fixture manufacturer specifications.
How does your dual-factory setup benefit global wholesale buyers?
Operating plants in both Yuhuan, China and Kabinburi, Thailand gives purchasers maximum supply redundancy, logistical flexibility, and the ability to mitigate specific market import duties while sustaining uniform ISO 9001 certified engineering consistency.
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