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| Heavy Duty Stainless Steel Gate Valve This stainless steel gate valve is designed for high‑pressure and corrosion‑resistant operating conditions. It is fitted with a red hollow handwheel that requires multi‑turn rotation for opening and closing. and achieves full pipeline opening and closing via a rising gate disc. It is widely used in chemical pipelines, seawater treatment, oil‑gas transportation, municipal water supply & drainage, and fire‑fighting systems. acting as the main on‑off control valve for heavy‑duty pipelines.
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| 1 Piece Stainless Steel Ball Valve This one‑piece ball valve is a compact on‑off valve with an integrally forged body. Compatible with standard NPT and BSP threaded pipelines. It is suitable for mass use in various small‑ and medium‑sized pipeline systems. It serves as branch shut‑off valves and small‑pipeline control valves in water treatment, oil & gas, HVAC, food machinery, chemical pipelines, and general water & gas supply systems.
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| 3-Way Shut-off Ball Valve Fitting Hose This Y-type three-way ball valve has a dual outlet design with separate controls. It’s mostly used to split water or gas flow from one main line into two branches. Built-in hose barbs make it easy to switch each outlet on and off individually. It works great for garden irrigation, household split water lines, gas branch pipes, car wash setups, and small equipment with dual water circuits. You can manage multiple fluid lines independently with this valve.
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| Brass Balance Valve with Flow Meter This brass balance valve with flow meter is a specialized hydraulic control component for HVAC and district heating pipe networks. Integrating flow monitoring, precise regulation, and hydraulic balancing features. It enables real‑time flow inspection and adjustment to achieve a balanced distribution of pipeline pressure and flow. A precision flowmeter with clear scales is embedded on the side, allowing real‑time and intuitive reading of pipeline flow rates.
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| Forging Brass Stop Valve This forged brass globe valve comes with a polished chrome‑plated cross‑shaped handwheel on top. which requires multi‑turn rotation for opening and closing, and allows precise fine‑tuning of the opening degree to regulate flow rate. Designed with a straight‑through body and standard internal threads on both ends. They are suitable for residential water supply, drainage, HVAC heating, and bathroom water supply. and small‑scale industrial pipelines.
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| Brass Boiler Drain Valve This angle ball valve is designed with a short‑handle, quick‑open structure. which achieves opening and closing via a simple 90‑degree rotation. With a vertical water inlet and a lateral water outlet. It allows easy hose connection for drainage and saves installation space. making it ideal for compact mounting positions on boilers and radiators.
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Brass Ball Valve with Union Nut
Brass Ball Valve with Union Nut
This ball valve is built with a union connection. which facilitates easy pipeline coupling as well as convenient maintenance, disassembly, and replacement in later use. It comes with a long butterfly‑style handle for rapid 90‑degree opening and closing. Featuring a female‑threaded union on one end and an external thread on the other. It boasts strong versatility and is compatible with common household water pipes, radiators, gas pipelines, and water heater pipelines.
- Model No.: JX-10109
- Size: 3/4MF Union
- Material: CW511L and CW510L, CW617N
- Handle: Aluminum butterfly handle with green epoxy painting
- Finishing: Sand blasted
- Connection: BSP, NPT
- With free nut
- Union material: Brass
- Temperature range: -10-120 °C
- Max working pressure: 20bar
- Seal material: PTFE, EPDM
- O-ring material: Rubber
- Suitable for use in water supply and distribution networks
- Application: Heating System
- OEM and Custom are available
- Certificated: ACS, CE
- Free samples
- Free inspection report
1. Does the ball valve’s union design stop gasket extrusion under high pressure?
Plumberstar brass ball valves with union nuts feature an upgraded connection structure. The union joint adopts a double limit setup. The male end has a precision groove that secures the gasket in place, with machining tolerance held to ±0.08mm to stop the gasket from shifting. The union nut comes with thickened locking threads, which create a tight fit when fully tightened.
Each unit goes through rigorous pressure testing. We maintain 2.0MPa pressure for 300 seconds, and the gasket remains undamaged. We also conduct overload tests at 2.2MPa.
2. Can we order this brass ball valve with different end connections?
Plumberstar brass ball valves let you fully customize the pipe-end connections to fit your needs. Our regular valves have a union joint on one side and an inner thread on the other. We can build other connection styles, too. You can pick double union ends, union plus outer thread, or union with threaded elbow ends. All these options match different project setups.
These valves fit most standard pipe thread types used around the world, including NPT, BSPP G, and BSPT threads. All threads are cut all at once with precise CNC tools, and the main sizes only have tiny gaps within 0.03 mm. Even if you switch just the end connector but keep the same metal and main valve body, the valve can still safely handle PN16 regular working water pressure.
Orders that fill a full shipping container can mix different connection sizes in one production run. This makes construction easier when you run multiple pipe systems at the same job site.
3. How to ensure consistency for bulk brass ball valve with union nut orders?
Plumberstar runs a full set of quality checks for large orders of brass ball valves with union nuts. We check raw materials, machine work, assembly, and finished goods.
We test every batch of brass raw stock as they arrive at our factory. We run spectral tests to check material composition and select random samples to test hardness. All rules follow our quality standards. We use these brass materials for production only after they pass all tests.
We use CNC machines to make valve bodies, union nuts, and other connecting pieces. Every important part’s measurements only shift by no more than 0.03 mm. Our workers walk along the production line often to check the finished parts. If measurements show the cutting tools wear down, we replace them immediately. Every finished product undergoes a 5-minute watertightness test at 2.0 MPa water pressure. Workers also check if threads fit well, if the valve twists smoothly, and look for any scratches or damage on the surface.
We store custom tool fixtures and machine programs long-term for regular long‑term partners who order custom valves. We also keep complete files for raw materials, production steps, and all inspection records.
4. Can you provide a sample of the brass ball valve with a union nut?
Yes, Plumberstar can send you samples of our brass ball valves with union nuts. We offer single‑size samples or mixed‑spec samples of union ball valves. They come in different bore sizes and thread types such as NPT, BSPP, and BSPT. You can pick whatever sizes you need.
All samples are taken directly from normal mass‑production batches. They use the same brass materials, production steps, sealing parts, and production standards as bulk orders. Every sample passes 100% water pressure and air-tightness tests. We usually send small sample orders by courier. Shipping cost can be discussed between us. Once you confirm the samples are acceptable, we start bulk production right away. We make sure all bulk goods match the sample quality perfectly.
5. Can you customize the brass ball valve with a union according to our drawing?
We can custom-make brass ball valves with union nuts strictly based on your drawings. We adjust union structure, bore size, threads, body length, sealing structure, and outer design as requested. With our own R&D team, mold shop, and CNC equipment, we can produce various non-standard items.
Our engineers look over your design drawings, test if the parts can be made, and calculate how well they work in just 24 hours. If they spot weak structure or leak risks, they’ll tell you simple fixes ahead of time to avoid broken products and extra costs during mass production.
Every custom valve is fully tested. We supply material reports, pressure test certificates, and compliance documents for customs and project inspections. We also sign NDAs to protect your designs.
6. Why choose a factory-direct brass ball valve with a union nut?
As a full-range manufacturer covering forging, machining, and assembly, we sell directly to clients with no middleman markups. Large-scale annual production and bulk raw material purchasing help us keep costs low. We also offer volume-based tiered pricing to raise your profit and market edge.
We deliver all-in-one solutions: mixed-size loading, custom logos, bespoke packaging, and drawing-based non-standard production. You only work with one supplier for your entire order. Our in-house sales and technical teams handle all procurement, technical, and after-sales work directly. This avoids miscommunication via third parties. We reply to all technical and customization requests within 24 hours.
We keep all production files, packaging rules, and molds for our long-term clients. We can sign non-disclosure agreements and yearly supply contracts. We work well for bulk stock, OEM branding, and ongoing engineering projects. You can count on us as your long-term supplier.
