Flange
DLSS Save Your Time & Cost
What Makes Our flanges Stand Out for you?
Our stainless steel flanges perfectly match our piping products, ensuring a one-stop solution.
Self-producing flanges reduces procurement costs, improves supply chain efficiency, and enhances quality control.
Standardized flanges streamline installation, minimize welding, and speed up construction.
Certified by ISO 9001, PED, and AD2000, ensuring compliance with global market standards.
Product Cases
ASTM B111 C68700 (O61) Seamless Tube
ASTM B111 C68700 (O61) aluminium brass seamless tube, size 10×1.0×1610 mm. Excellent seawater corrosion resistance and high thermal conductivity for condenser and cooling system applications.
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ASME SA815 WPS32750 Equal Tee SMLS
ASME SA815 WPS32750 Equal Tee, seamless DN150 SCH10S, manufactured to ASME B16.9. Super duplex stainless steel with high strength and excellent corrosion resistance for offshore, oil & gas, and chemical plants.
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ASME SA815 WPS32750 Stub End SMLS
ASME SA815 WPS32750 Stub End, seamless DN100 SCH40S, short type B, MSS-SP-43. Super duplex stainless steel with high strength and excellent corrosion resistance for offshore, marine, and chemical industries.
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ASTM A403 WP321 SMLS 180° SR
ASTM A403 WP321 seamless 180° SR elbow, 88.9×3.05 mm minimum thickness. Titanium stabilized stainless steel bend with high-temperature and corrosion resistance for heat exchangers, boilers, and refineries.
Read MoreDifferentiated Services: Precisely Meeting Your Business Needs
for Stockists
for End Users
for Traders
Fast Delivery
Efficient production and on-time delivery for your orders
Multiple Product Options
A wide range of seamless tubes to meet various project needs
Small Batch Logo Customization
Custom logos for small batch orders, enhancing your brand identity
Regional Pricing & Protection
Exclusive regional rights and strategic pricing to strengthen your market position
Cost-Effective Products
High-quality products at competitive prices to boost your margins
Flexible MOQ
Adaptable minimum order quantities to fit your business requirements
One-Stop Marketing Solutions
Boost your online image with a complete suite of product marketing visuals and videos
Fastest 7-Day Production Process
Delivery can be made within a minimum of 7 days based on your order size
Continuously upgraded packaging
We offer continuously upgraded packaging to ensure maximum protection and efficiency.
DLSS’s Core Principle: Never Leaving Problems For Clients
DLSS Partners
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If you have connections with professionals in the heat exchanger, boiler, or industrial manufacturing industries.
We invite you to become a valuable partner with DLSS.
Company News
Top 5 Stainless Steel Tube Failures
Introduction Stainless steel tubes are widely used in high-demand applications due to their corrosion resistance, strength, and cleanliness. However, tube failure—when it occurs—can lead to production shutdowns, safety hazards, and costly repairs. Understanding the root causes of these failures helps you select better materials, improve installation, and extend equipment life. DLSS shares the top 5 […]
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Flange Sealing Techniques: How to Ensure
Introduction If you’ve ever walked through an oil refinery or a chemical plant, you’ve probably seen a flange connection wrapped in insulation—maybe even dripping or steaming from a tiny leak. Flange connections are everywhere in pipeline systems, but when not sealed properly, they’re one of the most common sources of leaks, corrosion, and even shutdowns. […]
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How to Accurately Measure Pipe Wall
In the manufacturing and inspection of metal pipes—whether stainless steel, carbon steel, or alloy—the wall thickness is a key dimensional parameter. Precise wall thickness affects mechanical strength, pressure resistance, and long-term reliability, especially in critical applications such as heat exchangers, boilers, and petrochemical piping systems. One of the most accurate methods for determining wall thickness […]
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ASTM A270 vs ASME BPE: Understanding
Introduction When sourcing sanitary stainless steel tubes for use in food, beverage, or pharmaceutical industries in Latin America, two standards dominate global procurement: At first glance, both appear to specify hygienic tubing. But choosing the correct one depends on your application, surface requirements, and regulatory environment—especially for exports to the U.S. or Europe. What Is […]
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