Flange Blind Plate, High-pressure Butt Welding Flange, Blanking Plate, Plugging Piece, Cover Plate. Customization of Non-standard Products According To Drawings Is Supported.

Customized Cases

Case 1: High-pressure Blind Flange with Vent Hole
Parameters: DN300, PN40, medium is steam (250℃)
Customized Points:
Material: A182 F22 (2.25Cr - 1Mo)
Structure: With a 1/2" exhaust valve interface at the center
Inspection: 100% RT flaw detection
Case 2: Acid-resistant Quick-release Blind Flange
Parameters: DN200, in 98% sulfuric acid environment
Customized Points:
Material: Hastelloy C276
Connection Method: Tri-Clamp
Surface Treatment: Electrolytic polishing (Ra≤0.8μm)

Structural Design

Thickened Blind Flange: Increase in pressure rating (e.g., PN16 → PN40)
Composite Blind Flange: Carbon steel base + stainless steel lining (cost reduction)
Blind Flange with Handle: Facilitates installation and disassembly (handle can be folded)

Service Advantages

Flexible Design: Supports complex structures such as irregular shapes, split types, and linings.
Quick Response: Delivery within 10 days for simple structures and 30 days for complex parts.
Full-process Quality Inspection: Traceable from raw materials to finished products.