Full Port Ball Valve With Cover Drain

Parameters of Full Port Ball Valve With Cover Drain

Ball valves are designed and built using high-quality standards to ensure unparallel functionality

Additional information


Sand blasted

Life time:

150000 times On-Off


C37700, H58-3, Lead-free brass



Working pressure



36 months

Details about Full Port Ball Valve With Cover Drain

Full Bore Ball Valve With Cover Drain


Full bore brass NPT internally and externally threaded ball valve with cover drain

Ball valve specs

Valve Size


Valve pressure


Valve Materials

C37700,C46500,Low lead brass

Valve Standards

ASME B1.20.-1983 Pipe Thread

Working Temperature:

From -5 ℃ To +90 ℃

Seat sealing Material:


Handle Material:

Stainless steel/Iron

Thread connection:


Quality/valve Certifications



Sand blasted 


Full port

The ball valve with cover drain is ideal for various applications, such as shut-off and control of water, oil, and gas lines. The valve is durable and ensures a tight seal, making it perfect for high-pressure applications. The brass construction is corrosion-resistant, and the NPT threads allow for a secure connection. The valve also includes a cover drain to help prevent leaks.

plumberstar china valves
Plumberstar china valves

The ball valve with cover drain is a versatile and easy-to-use valve perfect for various applications. This valve is durable brass, featuresfull-boree construction for maximum flow, and is NPT threaded for easy installation. The cover drain allows for easy maintenance, and the ball handle makes it easy to operate.

The lock valve with cover drain is an excellent product with many applications. Quickly connects or disconnects two pipes without having to worry about leaks. In addition, the ball valve with cover drain is easy to operate and provides a tight seal that prevents unwanted liquids or gases from escaping. This product is perfect for use in various residential, commercial, and industrial settings.

NPT Full Bore Ball Valve

NPT Full Bore Ball Valve is an important equipment in industrial and commercial water pipe fittings. This particular valve has been designed with a full bore, making it ideal for quick and efficient flow control. It is also constructed from durable brass, ensuring exceptional performance over time. The internal and external threads are NPT for added safety and security within any application.

In addition to its robust construction, this full bore ball valve comes with a handy cover drain that prevents dirt or other debris from entering the system. This ensures consistent and reliable operation even in the harshest of environments. Furthermore, this versatile valve can be used in many applications,s including steam service, water systems, oil lines, and more.


Construction: Materials & DesignFull-bore brass NPT internally and externally threaded ball valves are essential parts of piping systems in a variety of industries. These valves can regulate flow, pressure,e, and temperature in the piping system. Design features such as an internal and external threaded connection, full bore size, cover drai,n, and various other materials provide strength and durability to the valve.

Brass is one of the most commonly used materials when constructing full-bore brass NPT internally and externally threaded ball valves due to its strength, corrosion resistance, thermal stability,y, and cost-effectiveness. The design aspects for construction include a two-part body with an upper chamber connected by threads on both sides and a lower section connected through threads from outside only.

Benefits of Cover Drain

Cover drains are an essential component of a full bore brass NPT internally and externally threaded ball valve. These specialized valves offer numerous benefits, including increased safety and improved performance. Cover drain features provide superior control over the flow of liquids, gases, and steam in various industrial applications.

Cover drains reduce the risk of pipe failure due to over-pressurization by providing a safe outlet for excess pressure. This ensures that any liquid or gas is safely released before it can cause damage to the system. Additionally, cover drains help to eliminate noise caused by turbulent flow within the pipelines, ensuring smoother operation and improved operational efficiency.

Most importantly, cover drains provide additional safety for personnel working on or near pipes due to their ability to quickly isolate hazardous materials from entering other parts of the system.

Advantages of Internal/External Threads

Threads are an integral part of any ball valve, and the type of threads used can affect the performance and efficiency of the valve. Full-bore brass NPT internally and externally threaded ball valves with cover drains offer a superior design that maximizes their effectiveness in many settings.

Internally threaded valves offer several advantages over externally threaded versions. For example, they tend to be more resistant to corrosion due to their enclosed environment. In addition, internally threaded valves are typically easier to install than externally threaded ones since no special preparation is required for installation. Internally threaded valves also have the benefit of providing higher flow rates due to their larger diameter opening compared to externally-threaded counterparts.

Externally-threaded valves also have numerous benefits as well.

Installation Considerations

When installing a full bore brass NPT internally and externally threaded ball valve that covers the drain, it is important to consider the specific needs of the environment in which it will be used. The choice of the valve should meet these requirements while also providing a reliable solution that won’t need to be replaced quickly due to wear or damage. Various factors will influence the decision on which type of valve should be installed. Depending on the desired function, size, temperature, pressure,e and application media can all contribute to the selection process. It is also essential to consider any relevant safety regulations when making this selection to ensure reliable operation and bottom-line performance.

The installation location must also be identified before any purchase decisions are made; different valves require different mounting types and connections for various applications such as airflow, fuel lines,s or water systems.

Maintenance & Troubleshooting

Maintenance and troubleshooting of a full bore brass NPT internally and externally threaded ball valve with cover drain is essential for ensuring safe operation. This type of valve is used in many industries, including oil and gas, plumbing, waterworks, chemical processing,g, and fire protection systems. Proper maintenance helps reduce downtime by preventing unexpected system failures due to malfunctioning valves. To ensure this type of ball valve continues to operate correctly, regular inspection should take place,e as well as troubleshooting any issues that arise.

The first step in maintaining this full-bore brass ball valve is to inspect the open/close mechanism for proper functioning. The lever or handle should move freely through its entire range of motion without sticking or binding. Additionally,y check for leaks around the stem by looking at the stem packing nut, stem o-ring sea,l, or gland flange connection if present.

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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, founded in 2006, offers high-quality, customizable residential valves and pipe fittings for plumbing and heating systems, including metal valves, brass products, bibcocks, and stainless steel accessories.
Woman's hand closes the valve. Saving Water Consumption Concept

Plumberstar offers brass and stainless steel 304 valves, as well as HPVC and cast iron plumbing parts. Available in sizes ranging from 1/4 inch to 4 inches with BSP(G) and NPT threads. Products include shut-off needle valves, heating floor manifolds with 1-inch gauges and flowmeters, brass nipples, elbows, extensions, compression fittings, and adapters. Custom manufacturing plumbing products is also available.

How to benefit You

Plumberstar delivers reliable, high-quality plumbing solutions with competitive pricing, extensive customization, and free pressure testing. Our ISO 9001 certified products ensure safety, efficiency, and durability, meeting international standards for residential and commercial needs.

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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

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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.

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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.

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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.

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 18 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.

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

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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.

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Plumbing Control Proposal

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

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Fluid Control Installation

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

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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 directly:info@plumberstar.com? 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.

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Choose Plumberstar for exceptional, customizable plumbing products with over 18+ years of experience. We guarantee competitive pricing, strict quality control, ISO 9001 certification, and dependable global delivery to ensure your projects meet top standards.

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