Stainless Steel Union
Product Details
Zhejiang Leadtek Fluid Technology Co., Ltd. is one of the most experienced manufacturers and suppliers of stainless steel union in China. Please feel free to buy customized stainless steel union at competitive price from our factory. Also, free sample is available.
LEADTEK Stainless Steel Union
ISO4144 Certified Corrosion-Resistant Pipe Fitting for Industrial Connections
Item No:
LEADTEK Stainless Steel Union is a high-performance female union pipe fitting engineered to deliver secure, leak-proof, and easy-to-install pipe connections for industrial and plumbing systems. Certified to ISO4144 standards, our Stainless Steel Union is crafted from premium 304/316 stainless steel, boasting exceptional corrosion resistance, high temperature tolerance, and long-term durability-making it a versatile and reliable solution for diverse piping applications.
Designed for quick assembly and disassembly without complex tools, this Stainless Steel Union solves the pain point of frequent pipeline maintenance and component replacement. As a professional manufacturer with its own foundry and CNC machining workshop, LEADTEK ensures every Stainless Steel Union undergoes strict quality testing, from material chemical composition inspection to 100% thread accuracy verification. We offer standard ISO4144 unions and custom solutions, with competitive factory pricing, free samples, and fast global delivery for all your piping fitting needs.
Core Features of LEADTEK Stainless Steel Union
ISO4144 Certified & Industry Compliant
Our Stainless Steel Union strictly adheres to ISO4144 international standards, with pressure rating Class 150 and temperature resistance from -20℃ to 220℃, meeting the technical requirements of global industrial piping systems.
Premium Corrosion-Resistant Material
Crafted from high-quality 304/316 stainless steel, the union resists rust, chemical erosion, and seawater corrosion, suitable for both general and harsh working environments (e.g., chemical plants, marine engineering, water treatment).
100% Precision Threaded Connection
All threads (BSPT/BSP, NPT, DIN2999, JIS B0203/2, ISO7-1) are machined by professional CNC equipment and tested one by one with thread gauges, ensuring perfect fit, zero leakage, and stable pipe connection.
Tool-Free Quick Assembly & Disassembly
The female union design enables fast installation and disassembly without cutting pipelines, greatly reducing maintenance downtime and labor costs for your piping system.
Complete Model Range & Customization
We stock a full range of Stainless Steel Union sizes (1/8" to 4") to match different DN pipe specifications, and support custom material, size, and thread design according to your project requirements.
Strict Quality Control for LEADTEK Stainless Steel Union
As a professional foundry and pipe fitting manufacturer, LEADTEK implements a full-process quality control system for every Stainless Steel Union, ensuring consistent quality and reliable performance:
Reliable Material Testing
Each furnace of stainless steel is tested 2-3 times for chemical elements in accordance with ASTM A351/A351M standards; a Mill Test Report (MTR) is provided before shipment for your verification.
100% Thread Accuracy Test
Every union's thread is inspected one by one by skilled CNC workers with professional thread gauges, eliminating defective products with unqualified threads.
Pressure & Temperature Calibration
All unions are calibrated for Class 150 pressure rating and -20℃~220℃ temperature resistance, with clear usage guidelines for different working environments.
Long Service Life Guarantee
We only produce high-quality pipe fittings and valves, with strict production process control to ensure the Stainless Steel Union has a long service life and stable performance.
Industrial Applications of LEADTEK Stainless Steel Union
LEADTEK Stainless Steel Union is a versatile pipe fitting suitable for all types of liquid/gas pipeline connections that require corrosion resistance, leak-proof performance, and easy maintenance. Key applications include:
Industrial Plumbing & Piping Systems: For water, oil, and gas pipeline connections in factories and manufacturing plants.
Chemical & Petrochemical Industry: Resistant to mild chemical media, ideal for chemical raw material and fuel pipeline connections.
Water Treatment & Environmental Engineering: For clean water, wastewater, and sewage treatment pipeline systems, with excellent anti-scaling and corrosion resistance.
Marine & Offshore Engineering: Seawater corrosion resistance for ship and offshore platform piping connections.
Food & Beverage Processing: Food-grade 304 stainless steel option for hygienic liquid transfer pipeline connections.
Building & Commercial Plumbing: For high-rise building water supply and heating pipeline systems.
Specifications of LEADTEK Stainless Steel Union (ISO4144)
The following dimensional parameters apply to our standard Stainless Steel Union (1/8" to 4"). Custom sizes and specifications are available upon request.
|
Size |
DN |
L1 |
L2 |
SW |
SW1 mm |
W. kgs |
|
1/8" |
6 |
30 |
13 |
26 |
14 |
0.052 |
|
1/4" |
8 |
33 |
14 |
29 |
17 |
0.068 |
|
3/8" |
10 |
36 |
14.5 |
33 |
21 |
0.092 |
|
1/2" |
15 |
39.5 |
16.5 |
37.5 |
25 |
0.124 |
|
3/4" |
20 |
42.5 |
17.5 |
46 |
31 |
0.195 |
|
1" |
25 |
46.5 |
18.5 |
54 |
38 |
0.271 |
|
1-1/4" |
32 |
53 |
21 |
64 |
47 |
0.415 |
|
1-1/2" |
40 |
57 |
23 |
71 |
53 |
0.524 |
|
2" |
50 |
63 |
25 |
85 |
65 |
0.781 |
|
2-1/2" |
65 |
71 |
27 |
107 |
81 |
1.220 |
|
3" |
80 |
79 |
29 |
120 |
95 |
1.588 |
|
4" |
100 |
89 |
31 |
146 |
121 |
2.493 |
Why Choose LEADTEK Stainless Steel Union?
Zhejiang Leadtek Fluid Technology Co., Ltd. is a leading Chinese manufacturer and supplier of stainless steel pipe fittings and valves, with a 5000㎡ warehouse, 240 tons/month production capacity, and a professional R&D and engineering team. We focus on customer-centric service and strict quality control, bringing you unmatched advantages for Stainless Steel Union procurement:
✅ Free Sample Available: Get a free standard Stainless Steel Union sample (freight collected) for your testing and verification.
✅ Fast Global Delivery: 50% of products are in stock for 1-day domestic delivery; 1-30 days fast delivery for international orders.
✅ Professional Technical Support: Our own designers and engineers provide one-stop technical assistance for your piping project, including custom design and installation guidance.
✅ Factory Direct Pricing: No middlemen, competitive factory price for both small and bulk orders, with deep customization support.
✅ Complete After-Sales Service: Provide Mill Test Report (MTR), product usage guidelines, and quick response to after-sales questions.
LEADTEK Stainless Steel Union is the ideal choice for your industrial and plumbing pipe connection needs-with ISO4144 certification, premium 304/316 stainless steel, strict quality control, and flexible customization. Whether you need standard ISO4144 unions or custom pipe fittings, we have the production capacity, technical expertise, and global delivery capability to meet your requirements.
Contact our sales team today with your specific size, thread, material, and quantity requirements-we will reply with a detailed quote within 48 hours and provide professional one-stop piping fitting solutions for your project!
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