Manufacturing Lead Bronze Flanged Valve Body

Parameters of Manufacturing Lead Bronze Flanged Valve Body

There are many things to think about when it comes to protecting your home from a fire. One important item often overlooked is installing a Fire Inspector Brass Test & Drain valve. This valve allows firefighters to quickly test fire hydrants and water pressure in the event of an emergency, and it also drains the system so that hoses don’t freeze up in cold weather.

Additional information


Bronze, Lead-free brass


Sand blasted



Working pressure

200PSI, 400WOG



Lead time:

45 days


24 months

Details about Manufacturing Lead Bronze Flanged Valve Body

Manufacturing Lead Bronze Flanged Valve Body


  • Also available in 1/2″ -4″ sizes
  • Flanged valve body
  • Customize design
  • Bronze, bronze lead
  • 400 Psi. rating

How to Manufacture Lead Bronze Flanged Valve Body:

Understanding the meticulous processes of manufacturing lead bronze flanged valve bodies gives one a deeper appreciation for their quality and functionality. Let’s delve into the nitty-gritty of this intricate procedure.

Alloy Preparation: Crafting the Perfect Mix

Starting with the right blend is paramount. The specific percentages of copper, tin, and lead are carefully weighed to achieve the ideal alloy composition. The blend ratio can vary based on specific requirements, but the goal is always to achieve a mix that ensures durability, machinability, and corrosion resistance.

Precise Melting Techniques

a. Induction Melting:

Using electromagnetic induction, the metals are melted swiftly, reducing impurities. The process allows for accurate temperature control, ensuring the alloy maintains desirable properties.

b. Protective Atmosphere Casting:

To avoid oxidation and maintain purity, casting occurs in a controlled atmosphere, often under a layer of non-reactive gas. This method ensures the molten lead bronze remains uncontaminated during the casting process.

Modern Mold Techniques

a. Investment Casting:

A wax model of the valve body is first created. It’s then coated with a ceramic slurry, forming a shell around the model. Post-hardening, the wax is melted out, leaving a ceramic mold. The lead bronze is then poured into this mold, providing intricate detailing.

b. Centrifugal Casting:

The molten alloy is poured into a rotating mold for a uniform structure. This rotation forces the metal to the mold’s walls, resulting in a dense and detailed valve body.

bronze lead valve body 0869f
Bronze lead valve body 0869f

Advanced Heat Treatment

Isothermal Annealing: This technique involves heating the cast valve body to a specific temperature and maintaining that temperature for an extended period. This process refines the grain structure, enhancing the valve body’s mechanical properties.

Precision Machining

a. 5-Axis CNC Machining:

Modern valve bodies are often machined using 5-axis CNC machines. This technology allows the equipment to move around the piece on five different axes simultaneously, ensuring intricate cuts and high precision.

b. Laser-guided Measurement:

Post-machining, a laser-guided tool measures the valve body’s dimensions to ensure they’re within the specified tolerances.

Flange Crafting

Flanges are meticulously crafted, ensuring a snug fit. Combining high-speed cutting tools and precision drills creates bolt holes, ensuring they align perfectly with connecting parts.

Innovative Surface Treatments

Nano-coating Technology: Beyond traditional electroplating, nano-coating offers superior corrosion resistance. This coating bonds with the valve body at a molecular level, ensuring longevity.

Rigorous Testing Mechanisms

a. Ultrasonic Testing:

Beyond the traditional pressure tests, ultrasonic testing detects internal and surface flaws using high-frequency sound waves.

b. Digital Flow Rate Testing:

Modern valves undergo digital flow rate tests, where sensors measure and ensure the valve allows the desired flow rate when opened to specific positions.


Crafting a Lead Bronze Flanged Valve Body is an amalgamation of art and science, where traditional methods meet modern technology. Each meticulously planned and executed step is a testament to engineering excellence, ensuring that these valves stand the test of time in any application.

water pressure gauge

Metals Vavles Works on Plumbing System

Plumberstar valve fabricator in China. Our main parts for heating pipelines and intelligent water control can supply you with a one-stop basket solution to get your ideas and demands. From design to packaging and logistics are our duty—brass valves and fittings applied in-house, in industry, and commercial construction, in residential. There are related to water pipe control solution, and we have rich experience for outdoor frostproof hydrant and pex heating water manifold indoor.

The Top Standard Valves

Plumberstar ball Valve is with CW617N and Lead-free original brass. And water flows with 2pc full Port 400WOG and 600WOG standard to design it with heavy-duty. EPDM and NBR sealing washers are environmentally friendly, with Three years warranty with traceability.

Woman's hand closes the valve. Saving Water Consumption Concept
  •  Plumberstar Valve Made from brass and stainless steel 304, and sourcing HPVC ball valve
  • Connected from the thread with BSP(G) and NPT by the normal.
  • Size with MaleXFemale 1/4inch,3/8 inch,1/2inch,3/4,1inch,1 inch,1-1/4 inch,1-1/2 inch,2inch,2-1/2inch,3inch and 4inch.
  • The actuator of electric valve voltage 24V DC and 230V AC
  • Shut-off needle valve can manufacture based on requirements
  • Heating floor manifold with 1-inch gauge and flowmeter
  • Brass nipple, elbow, extension, compression fitting, adapter available

Plumberstar Valves Applications

y drain strainer

Y-filter Strainer Drain Valve

Plumberstar Y filter strainer Keeps Working, and dirty Out Strainer screen catches debris and sediment to reduce maintenance. Protect your water plumbing. Y Type Strainer works in conjunction with your backflow preventer and regulators.

water tanker safety valve

Safety Water Solution

Plumberstar works in residential, irrigation, and commercial application. The relief safety valves are used in various applications, such as water heaters, air compressors, its automatic release of the excess pressure or vacuum from a heating system.

thermostatic valve pump mix water control

Temperature Mixing Valve

Mixing water valve automatic ensure temperature and water pressure stable. It is suitable for household hot water devices equipped and floor heating, so the 3-way valve meets requirements of temperature range and the water flow

radiant pex manifold 12 connector adaptortubing

PEX Heating Manifold

Plumberstar radiant pex manifolds are usual for residential water distribution in a household, and it's top rated in the home building industry. Manifold plumbing systems control hot and cold water that feeds flexible PEX supply lines to individual fixtures.

Advantages of Plumberstar

Plumberstar products design based on simple structure aim to time-saving installation for consumers and aim to save the cost of customers for building construction.

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We boast 15 years of expertise in water and gas projects and long-term partnerships with top global clients.

We offer competitive pricing, tailored solutions, and flexible solutions. Quality is our cornerstone. We conduct three random inspections and a final QC check for each project, with detailed reports for clients and a 48-hour emergency response system.

Customize-Design Brass Copper Fitting

Copper Pipe fitting 1/2 inch 90-degree Elbow, nipple, bush, and reducer connects PEX Pipe in water distribution and hydronic heating systems.
Low-cost solution to connect copper Pipe Tubing, stainless steel insert, and adapter. The connection system is perfect for your next commercial or homeowner plumbing project.
Brass fittings are made of lead-free and CW602N for durability and corrosion-resistant quality and performance.

brass fitting machine

Advantages for distributer, wholesaler, Supermarket and Trading

Plumberstar is looking for long-time cooperation with partners, our advantage will benefit each other, and growing together, our extra service including design, new tooling, discount and quality tracing system.

★ Moderate Pricing – Plumberstar can provide various projects with different economic basket services. Water control project drawing design and artwork works are free. 

MOQ and Delivery – Lower MOQ even reaches 100 units and sampling time within 15 working days, and the leading time is 30 working days of mass production,

Non-Disclosure Agreement – Plumberstar will not provide your competitors with the same valves and manifolds. And help you to get more market shares.

Quality and Service–Our defect rate reached 0.459% in the last two years from customers feedback, and the Inspection report can provide you with each order

working of a gas shut off valves

Discount and Quantity– Heavy quantity can increase production capacity with effectiveness. And the accessories and spare parts purchased with competitive cost of valves.

Plumberstar Extra Service

Our aim is not only to provide valves but we help customers to design products,design artwork,valve proposal, book shipment,Installation tutorial

Design Valves For House

Valve Project Designing

We are free design your valves according to your inquiry of your plumbing system,no extra cost.

project discussion

Plumbing Control Proposal

We can help you choose valves and heating manifold, and advice in house application

Fix ball Valve

Fluid Control Installation

We can provide an installation guide and tutorial about valves and underfloor heating manifold

loading container

Shippment Service Solution

We help customers to book a container, documents preparation, and clearance, even to warehouse

Frequently Asked Questions

Here are typical questions by customers asked with usual, please feel free contact us if any further confused.

Brass valves have many different types, such as ball valves, garden tap, check valve, strainer, angle valve, gate valve, foot valve, and drain valve. The radiator valve and thermostatic mixing valve are works for water temperature. All of these valves are work for water plumbing systems, plumbing repair, and installation. So have to let water shut-off and shut-on. Some heating systems are related to hot water and cold water mixing for temperature control and stability. Our intelligent valves are functional. There are applications in commercial, residential, and industrial areas.

Underfloor heating radiant pex manifolds are usual for residential water distribution in a household, and it's top-rated in the home building industry. Manifold plumbing systems control hot and cold water that feeds flexible PEX supply lines to individual fixtures. Then water temperature is warm and stable in each room. Meanwhile, the heating accessories-flow meter gauge will monitor water and temperature in each room.

The motorized ball valve works automatically open and closed; they work with 220v-230v AC and 24v DC; they are applications in the heating system, air conditioner,3D printer, and others. The solenoid valve is with similar features.

Would you please submit the form at the bottom of the page or send an email My WhatsApp: +86 15968648802. Can you send us pressure demands, size package, and quantity if available?

It's able to provide free samples for your evaluation with 15 working days about.

Our MOQ is significantly lower from 100-5000 pcs are available. It depends on different items.
We can fabricate your specified requirements.

It's about 35 days if with regular proucts; New tooling and samples will take 15-20 days, Normal samples will take 7 days.

It means that you need to check the plumbing system at first, then realize your requirements, and get out different valves with different applications and functional with controlling; of course, may be no need to use brass valves due to the high cost. You can use plastic, iron, zinc alloy, and aluminum raw materials instead of brass, but brass and stainless steel are reliable with 3 years warranty. If you don't know how to choose, please call us or email us.

An Instant Quote With Specific

There are 5 engineers and 15 experts about QC&QA behind your projects

Why Choose Plumberstar?

Brass is a highly durable material for valves that can withstand temperatures and pressure. It is also corrosion-resistant, making it an ideal choice for wet environments. Brass valves are also easy to clean, an important consideration for plumbing systems. We manufacture brass valves, which are two-piece brass ball valves with 600 and 400-WOG threaded ends that are not for use in potable water.

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