Blind Spade Shipment to Singapore – ASME B16.48 Carbon Steel Line Blinds
Haihao Group recently completed a shipment of carbon steel blind spades for a customer in Singapore.The order covered a wide size and pressure range, manufactured strictly in accordance with ASME B16.48, using ASTM A105N carbon steel with flat face (FF) sealing surfaces.
These blind spades are designed for safe pipeline isolation and maintenance, and are widely used in oil & gas, petrochemical, power generation, and industrial piping systems across Southeast Asia.
ASME B16.48 ASTM A105N carbon steel blind spades packed for shipment to Singapore
Project Overview
The Singapore customer required ASME B16.48 blind spades for multiple pipeline sizes and pressure classes, ensuring compatibility with existing ASME flange systems.
Key technical requirements included:
- Accurate dimensions and thickness per ASME B16.48
- Stable mechanical performance under high pressure
- Clear markings and material traceability
- Reliable packing for overseas delivery
Haihao Group supplied the blind spades fully compliant with project specifications and delivery schedule.
Supplied Blind Spade Specifications
Product Type
- Blind Spade (Line Blind), Flat Face (FF)
Size Range
- 3/4″ to 16″
Pressure Classes
- Class 150
- Class 300
- Class 600
- Class 900
- Class 1500
Material & Standard
- Material: ASTM A105N carbon steel
- Standard: ASME B16.48
All blind spades were produced with precise machining to ensure proper sealing performance when installed between flat face flanges.
Manufacturing & Quality Control
Each carbon steel blind spade was manufactured under controlled processes, including:
- Raw material inspection (ASTM A105N)
- Dimensional and thickness verification
- Flat face sealing surface inspection
- Visual inspection and marking check
The products were clearly marked with size, pressure class, material grade, and standard, allowing easy identification during installation and maintenance.
Application of ASME B16.48 Blind Spades
ASME B16.48 blind spades are commonly used for:
- Positive isolation of pipelines during maintenance
- Safe shutdown of process lines
- Temporary or permanent flow blocking
- Compliance with safety procedures in critical services
For projects in Singapore and Southeast Asia, carbon steel blind spades remain a cost-effective and reliable solution for non-corrosive and general service conditions.
Why Choose Haihao Group
- Experienced ASME B16.48 blind spade manufacturer and exporter
- Flexible production for mixed sizes and pressure classes
- Familiar with Singapore and Southeast Asia project requirements
- Stable quality control and export packing
Haihao Group continues to support international customers with high-quality carbon steel line blinds and pipeline isolation products.