Quick installation method for fan flange installation

The following are the quick installation methods and key precautions for fan flanges, combined with search results, compiled into an efficient operation guide:

1、 Minimalist installation steps

Cleaning and Pre Inspection

Quickly clean the flange sealing surface and pipeline port rust with a wire brush, check that the bolt threads are not damaged, and that the gaskets are not damaged.

Quick positioning of gasket

Align the gasket with the center of the flange, and press the concave convex flange directly into the groove. In emergency situations, butter can be applied to assist in temporary sealing.

Bolt pre tightening technique

Manually pre tighten three bolts distributed at a 120 ° angle to form a basic pre tightening force.

Diagonal speed tightening method

Tighten in two rounds in a cross order: 50% torque for the first round and 100% torque for the second round. Use a regular wrench and do not tighten continuously on one side.