Three Way PTFE Union Tee
Product Details
Zhejiang Leadtek Fluid Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of three way ptfe union tee in China. Please feel free to buy customized three way ptfe union tee at competitive price from our factory. Also, free sample is available.
Product Overview
Three Way PTFE Union Tee is a stainless steel union-type tee fitting designed for fluid systems that require reliable sealing, easy disassembly, and chemical resistance at the connection point. Built with a flat seal design and available in 304 or 316 stainless steel, it suits demanding industrial environments where joint integrity and maintenance efficiency matter.
The fitting consists of four components: a tee male body, a PTFE/EPDM/Conical gasket, a liner, and a union nut - all precision-machined for consistent dimensional accuracy across the full size range from ¼" to 2".
Key Specifications
| Size T1 | DN | a (mm) | L (mm) | m (mm) | SW (mm) | SW1 (mm) |
|---|---|---|---|---|---|---|
| ¼" | 8 | 37.5 | 38 | 14 | 29 | 17 |
| ⅜" | 10 | 42 | 45 | 14.5 | 33 | 21 |
| ½" | 15 | 49 | 54 | 16.5 | 38 | 25 |
| ¾" | 20 | 55 | 64 | 17.5 | 46 | 31 |
| 1" | 25 | 62.5 | 76 | 18.5 | 54 | 38 |
| 1¼" | 32 | 73 | 90 | 21 | 64 | 47 |
| 1½" | 40 | 78 | 96 | 23 | 71 | 53 |
| 2" | 50 | 90 | 114 | 25 | 85 | 65 |
Tolerance: ¼"–2" a L ±1.2mm | Polygon Type: Octagon ¼"–2"
Key Features
Seal material options: PTFE, EPDM, or Conical gasket, selectable based on fluid compatibility and operating conditions.
Body material: 304 or 316 stainless steel, with 316 recommended for corrosive media or chloride-rich environments.
Size range: ¼" to 2" (DN8–DN50), covering the majority of process piping connection requirements.
Union design: Tool-assisted disassembly at all three ports, reducing maintenance downtime in installed pipeline systems.
All-female threaded connections (F-F-F) on three ports, with thread standard available upon request.
Dimensional tolerance: ±1.2mm on length (L) for sizes ¼" through 2"; octagonal polygon geometry from ¼" to 2".
Applications
The Three Way PTFE Union Tee is used in process piping systems where branch connections need to be opened, inspected, or reconfigured without cutting pipe. Typical application areas include:
Chemical processing lines handling aggressive or high-purity fluids, where PTFE sealing prevents contamination and corrosion at joints.
Food and beverage or pharmaceutical facilities requiring hygienic, cleanable connections with stainless steel contact surfaces.
New energy and semiconductor manufacturing environments where fluid purity and joint reliability directly affect process outcomes.
Petrochemical and industrial utility systems requiring long-term corrosion resistance under varying media conditions.
Certifications
ISO 9001
ISO 14001
ISO 45001
Why Choose Leadtek
Zhejiang Leadtek Fluid Technology Co., Ltd. has specialized in stainless steel fluid control components since 1994, operating from a 37,000㎡ production facility in Quzhou, Zhejiang. With 400+ precision machines, 300+ skilled staff, and over 30 years of casting and CNC machining experience, Leadtek maintains end-to-end quality control from raw material to finished fitting, including products such as the Male Threaded Y Tee and other stainless steel union fittings.
Leadtek has exported to 80+ countries across Europe, North America, Asia-Pacific, and the Middle East. Custom specifications, material grades, and seal configurations are supported - contact our technical team to discuss your project requirements.
Frequently Asked Questions
Q: What industries commonly use a three-way union tee fitting?
A: Three-way union tees are widely used across chemical processing, water treatment, food and beverage production, pharmaceutical manufacturing, and industrial utilities. Any system requiring a branched connection with the ability to isolate and service individual lines without full pipe disassembly is a candidate for this fitting type.
Q: How does a union tee differ from a standard welded or press-fit tee?
A: A union tee uses a threaded nut and gasket assembly at each port, allowing the fitting to be disconnected and reconnected without cutting or welding. This makes it the preferred choice for systems that require periodic maintenance, cleaning, or reconfiguration after installation.
Q: What should I check before selecting a gasket material?
A: The primary factors are fluid compatibility, operating temperature, and whether the system handles food-grade or chemically aggressive media. Your fluid safety data sheet (SDS) or process engineer should confirm compatibility before finalizing the seal specification.
Q: Is stainless steel union tee fitting suitable for high-purity or ultra-pure fluid systems?
A: 304 and 316 stainless steel both offer smooth internal surfaces that resist bacterial growth and minimize contamination risk. For ultra-pure applications, surface finish specifications and passivation requirements should be confirmed with Leadtek's technical team prior to ordering.
Q: What documentation is available for procurement or quality verification purposes?
A: Leadtek can provide material test reports (MTR), dimensional inspection reports, and certification documentation upon request. ISO 9001-certified production and traceability records are maintained across all product lines.
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