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Key Specifications/Special Features:

• Mainly used for fasten the hub, seal ring and clamp
• Convenient for installation
• Spherical
• Made by rolling process
• Strictly abide by the national high pressure bolt standards
• Pressure: PN ≤90Mpa
• Temperature: -200 to 600°C
• Pipe diameter: DN15 to DN600, usually use 35CrMoA, 304, 316, 316L or high steel grade materials
• Strictly follow the requirement of high pressure bolts standard
Product Description
1\Bolts and nuts:
High pressure self-energized flange, also called clamp connector or P-LOC, is new connection way of high pressure pipelines. P-LOC contains 4 parts: 2 HUBs, 1 metal seal ring, 1 pair clamps, 4 sets of bolts and nuts.

2\Bolts and nuts’ function:
Bolts and nuts mainly used for fasten the hub, seal ring and clamp. No matter how large the pipe will be, customers only need 4 sets of bolts and nuts and it is enough to make the clamp connector integrated. It is convenient for installation.

3\Material:
For material, it can be carbon steel and stainless steel. Usually, we use 35CrMoA, 304, 316, 316L, etc. In production, we strictly follow the requirement of high pressure bolts standard.