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 B366 Hastelloy B-3 (UNS N10675)
ASTM B366 Hastelloy B-3 (UNS N10675) lap joint stub end DN150 SCH5S to ASME B16.9. Excellent resistance to hydrochloric and sulfuric acids. Comparison with Hastelloy C276 included.
Read More
ASTM B729 Alloy 20 (UNS N08020)
ASTM B729 Alloy 20 (UNS N08020) seamless pipe, size 101.6×16.15×2616.2 mm. Heavy wall thickness, bright annealed finish. Excellent sulfuric acid resistance, chloride SCC protection, and high-pressure service.
Read More
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 More
ASTM B167 Inconel 601 (UNS N06601)
ASTM B167 Inconel 601 (UNS N06601) seamless pipe, size 26.7×2.87×3000 mm. Bright annealed finish with 100% hydrostatic testing, supplied for Australian power and industrial projects.
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
are you
A Distributor or Wholesaler?
Are You
an Engineer, Procurement Specialist, or Manufacturer?
Special for Broker
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
Stainless Steel Tube Requirements in Carbon
As countries ramp up efforts to reach net-zero emissions, Carbon Capture, Utilization, and Storage (CCUS) technologies are being deployed at scale. These systems capture CO₂ from industrial processes or power generation and inject it deep underground—or repurpose it for industrial use. But behind every CCUS facility lies a network of high-performance stainless steel piping and […]
Read More
Plate Heat Exchanger vs Shell and
1. Introduction – Plate vs Shell and Tube Heat Exchanger When selecting a heat exchanger for your application, one of the most common decisions is between a plate heat exchanger (PHE) and a shell and tube heat exchanger (STHE). Both designs have unique advantages and limitations. This guide compares the two to help you choose […]
Read More
3.2 Certificate, TPI inspection and delivery
Product Information ASME SA179 Seamless U-tubes ∅19.05 × 2.11min × L12210.9~13617.8mm, Total: 1,352 pcs Project Background The end user is a large energy and chemical company. Due to severe quality issues with previously sourced ASME SA179 tubes from India—leading to equipment shutdown and project suspension—the customer urgently needed to procure new tubes for heat exchanger […]
Read More
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 […]
Read MoreWelcome To Send Us An Inquiry,
We Have Prepared A Surprise Gift For You