Product Overview
Our Custom Bronze Casting Valve Parts adopt seawater-resistant bronze alloys, with zero internal porosity on sealing surfaces, tight dimensional tolerance and stable pressure resistance.
Fully customized per customer CAD drawings, ideal for marine, water treatment, HVAC and chemical fluid pipeline systems.
Technical Specifications
| Item | Custom Range |
| Product Name | Bronze Casting Valve Parts |
| Bronze Alloy Grades | C83600, C83800, C84400, C90300, C90700, C95800(Marine/seawater), ZCuSn10P1 Tin Bronze, other casting bronze alloys as drawing |
| Working Pressure | PN16~PN64 / Class300, customizable |
| Operating Temp | -40℃ ~ 250℃ according to material grade |
| Size Range | Custom ultra-small DN8 to large DN300 valve castings |
| Internal Defect Standard | No visible pores/cracks on sealing & pressure surfaces, X-ray inspection available |
| Surface Treatment | As-cast, precision CNC grinding, polishing, others as drawing |
| Applicable Medium | Fresh water, compressed air, fuel, hvac fluid, seawater, weak acid/alkali, fire fighting water |
| Casting Process | Sand casting, investment casting, metal mold casting |
| Casting Tolerance | Sand casting CT8-CT10; investment casting CT4-CT6; metal mold casting CT7-CT9 |
| Min Casting Wall Thickness | 3mm |
| Threads Standard | NPT / BSPP / BSPT / Metric |
| Flange Standard | ANSI B16.5 / DIN2501 / GB/T9113 |
| Sealing Grade | VI, IV |
| Water Pressure Test (shell Strength) | 1.5 times working pressure, 5 minutes |
| Sealing Pressure Test | 1.1 times working pressure, no leakage |
| NDT | PT, UT |
| Certification | ISO 9001, 14001, 45001 |
Advantages of Our Customized Bronze Casting Valve Parts
Dense Casting Structure with Minimal Defects
We adopt gradient cooling process plus optimized gating and riser design to strictly restrict internal casting flaws such as porosity, shrinkage porosity, cold shut and slag inclusion, ensuring reliable structural strength of bronze casting valve parts.
High Accuracy & Lower Cost
Our investment casting can achieve CT4 dimensional tolerance.
It remarkably cuts machining positions and allowance, reduces raw casting weight, and lowers overall production costs through multiple cost-control solutions.
Adaptable to All Climatic Conditions
No cold brittleness or cracking under frigid low temperatures
Capable of continuous service under high-temperature steam up to 220°C
Superior salt spray corrosion resistance.
Our bronze casting valve parts perform stably in cold weather, high-temperature steam environments and coastal high-humidity & high-salinity working conditions.
Anti-static & Explosion-proof for Safe Operation
We choose qualified bronze raw materials, which feature outstanding thermal and electrical conductivity coefficients.
Static electricity generated by fluid friction can be dissipated rapidly to eliminate fire hazards caused by static accumulation.
Bronze is the standard material for explosion-proof valves used in pipelines of gas, oil and flammable fluids, complying with explosion-proof safety standards for fluid equipment.
Self-lubricating, Wear-resistant & Long Service Life
Free graphite phases exist inside bronze, delivering inherent self-lubricating property. It is perfectly applicable to frequently friction-affected components including valve spools, seats and bushings.
Excellent Corrosion Resistance
A dense and stable passivation oxide film forms on the substrate of high tin bronze and aluminum bronze.
The castings stay rust-free during long-term delivery of tap water, sewage and seawater, and effectively resist pitting corrosion and perforation.
Available Types of Bronze Casting Valve Parts From Shata
- Bronze Ball Valve Castings: Valve body, ball plug, bonnet for fluid cut-off pipelines
- Bronze Gate Valve Castings: Large flow passage valve bodies for water supply & fire fighting
- Bronze Check Valve Castings: One-way anti-reflux valve housings for marine & chemical systems
- Bronze Globe Valve Castings: Multi-angle flow control valve bodies for HVAC equipment
- Marine Special Bronze Valve Castings: C95800 nickel aluminum bronze offshore ship valve components
- Custom Multi-Port Manifold Castings: Non-standard special flow channel valve parts per customer drawings
Applications of Our Bronze Casting Valve Parts
- Marine & Offshore Engineering: Ship pipeline valves, seawater desalination equipment, offshore platform fluid control parts
- Municipal Water & HVAC: Drinking water pipeline valves, heating & cooling system valve bodies
- Fire Fighting Systems: Low-pressure bronze fire valve castings with NSF environmental certification
- Chemical & Light Industry: Weak acid/alkali fluid pipeline corrosion-resistant valve components
- Industrial Compressed Air & Fuel Systems: Air compressor, oil pipeline bronze valve fittings
What You Can Customize at Shata?
- Material: full grades of cast bronze, even cast brass, copper
- Structure: multi-port manifold, special curved & irregular flow passages, integrated reinforced bosses & mount lugs, variable wall thickness transition structures, hollow cavity & double-layer shell castings, combined plug & body integrated bronze casting valve parts, large & ultra-small non-standard special shapes
- Machining: sealing surface, thread standards, flange standards, mounting methods, tolerances
- Logo & Marking
- Performance: pressure rating, corrosion resistance, strength
- Connection Method: thread, flange, welding
- Packaging: materials, outer package identification
FAQ
Q: What's your MOQ for custom bronze casting valve parts?Can we order small trial prototypes first?
A: MOQ is 100kg. We accept small trial orders from 5–50 kg for prototype verification.
Q: How long is the lead time for prototype samples and mass production?
A: 30-40 days for mold & samples. 25-35 days for bulk production.
Q: Why your bronze valve castings have zero pores on sealing surfaces, better than ordinary castings?
A: Our experienced optimization of mold gating runner, bronze melting purification and cooling parameters, eliminate air pockets and shrinkage defects on all pressure-bearing & sealing surfaces. Pore-free sealing structure avoids fluid leakage under long-term rated pressure, extending valve service life by 40%.
Q: Which bronze alloy grade should I choose for seawater marine valve applications?
A: C95800 nickel aluminum bronze, outstanding anti-seawater corrosion and anti-marine organism adhesion performance
Q: Can your bronze castings be used for drinking water municipal pipeline valves?
A: Yes, C83600/C84400 tin bronze materials comply with NSF/ANSI 61 drinking water safety standards, low lead content, non-toxic for clean water supply, fire fighting and HVAC domestic pipeline systems.
Q: Is your bronze valve casting corrosion-resistant for weak acid & alkali chemical pipelines?
A: Tin bronze and nickel aluminum bronze both deliver stable corrosion resistance against non-oxidizing weak acid, alkali and fuel mediums, suitable for light chemical industry, fuel oil and compressed air fluid control valves.
Q: Can you provide test reports?
A: Sure. Full QC test reports
Q: What after-sales solution do you provide if defective bronze castings are delivered?
A: We re-produce qualified replacement goods free of charge
Q: Can you support stable large monthly orders?
A: Yes. We produce 1,000 casting molds daily, with multiple bronze melting & casting lines, daily finished output 3,000–5,000pcs.
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