High-Quality Spade Blind Flange Delivery by Haihao Group for Industrial Pipeline Isolation
Haihao Group has successfully completed the production and shipment of premium spade blind flange products for an international industrial project. Designed for reliable pipeline isolation, this order once again demonstrates our expertise in manufacturing high-performance piping components that meet strict global standards.
With years of experience in flange production, Haihao Group ensures every spade blind flange delivers durability, precision, and safety in critical applications.
Project Overview
This shipment includes a carefully manufactured spade blind flange designed according to ASME standards and produced using high-quality pressure vessel steel.
Product Specifications:
- Product Name: Spade Blind Flange (FF)
- Size: 3 inch
- Pressure Rating: Class 150
- Material: ASTM A516 Grade 70
- Standard: ASME B16.48
- Coating: Black painted
This spade blind flange is widely used for isolating sections of piping systems during maintenance, inspection, or shutdown operations.
ASME B16.48 spade blind flange ASTM A516 Gr70 for pipeline isolation
What Is a Spade Blind Flange?
A spade blind flange (also known as a paddle blind) is a solid plate used in combination with a spacer to block or allow flow in a pipeline. It is an essential safety component in industries where controlled isolation is required.
Compared to standard blind flanges, a spade blind flange offers easier installation and removal, making it highly efficient for systems that require frequent maintenance.
Material Advantage: ASTM A516 Gr.70
The selected material, ASTM A516 Grade 70, is a carbon steel commonly used in pressure vessels and boilers.
Key Benefits:
- Excellent strength and toughness
- Good weldability
- Reliable performance under moderate to high pressure
- Suitable for industrial and energy applications
This ensures that every spade blind flange can withstand demanding operating conditions while maintaining long-term reliability.
Why Choose Haihao Group?
At Haihao Group, we apply strict quality control throughout the manufacturing process to ensure each spade blind flange meets customer expectations and international standards.
Our Advantages:
- Precision machining and strict dimensional tolerance
- Full compliance with ASME B16.48
- Surface treatment options (black paint, anti-corrosion coating)
- Comprehensive inspection and testing
Each spade blind flange is carefully inspected before shipment to guarantee safety and performance in real-world applications.
Applications
spade blind flange is widely used in industries such as:
- Oil & gas pipelines
- Petrochemical processing
- Power generation plants
- Refinery maintenance systems
Its ability to provide secure and quick isolation makes it a critical component in modern piping systems.
This successful shipment highlights Haihao Group’s capability to deliver reliable spade blind flange solutions for industrial applications. With high-quality materials, strict adherence to standards, and professional manufacturing processes, we continue to support global customers with dependable piping components.
If you are sourcing durable and cost-effective spade blind flange products, Haihao Group is your trusted partner.