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Black Union Threaded Pipe Fitting
Description
High-durability Gulf Flow Black Carbon Steel Threaded Union pipe fitting. Engineered to provide a secure, easily detachable three-piece mechanical connection in high-pressure utility and process pipelines. Fully compliant with ISO9001, CE, and ASTM standards, this heavy-duty threaded union features premium leak-proof sealing surfaces and a protective anti-corrosive black finish. Ideal for oil lines, gas networks, steam distribution, and commercial HVAC infrastructure throughout Qatar. Available in sizes 1/2" to 4".
The Black Union Threaded Pipe Fitting is a high-performance connector designed to join and disconnect pipes quickly and efficiently without cutting or dismantling the piping system. Manufactured to international ASTM, BS, EN, and DIN standards, this threaded union fitting provides a secure, leak-resistant connection for fire protection, plumbing, HVAC, water distribution, industrial processing, and oil & gas applications throughout Qatar.
Engineered from premium carbon steel and stainless steel materials, the Black Union offers excellent mechanical strength, pressure resistance, and long service life. Its precision-machined threaded design ensures easy installation, maintenance, and system modifications, making it an essential component in commercial and industrial piping networks.
Key Features
- Three-piece threaded union for easy pipe connection and disconnection
- Manufactured to ASTM A53, ASTM A106, BS1387, EN10241, and DIN standards
- UL/FM approved for fire protection systems
- CE, BSI, and ISO 9001 certified
- Available in SCH STD, SCH 40, SCH 80, Heavy, Medium, and Light thicknesses
- Leak-resistant and durable construction
- Suitable for maintenance-friendly piping systems
- Designed for commercial, industrial, and infrastructure projects
Applications
- Fire Fighting Systems
- Water Distribution Networks
- Plumbing Installations
- HVAC Systems
- Oil & Gas Facilities
- Industrial Process Piping
- Mechanical Engineering Services
- Commercial Construction Projects
Specifications
- Sizes: 1/8" – 6" (DN6 – DN150)
- Thickness: SCH STD, SCH 40, SCH 80, Heavy, Medium, Light
- Threads: ASME B1.20.1, BS21, DIN2999, ISO7/1
- Materials: A234 WPB, A860 WPHY 42–70, SS304L, SS316L
- Finish: Black Painted, Oiled, Galvanized, Epoxy Coated
- Approvals: UL/FM, CE, BSI, ISO 9001
Free standard Shipping on $100+
- Free Shipping
- Safe Payment
- Free Returns
Shipping And Return
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

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