BZ41H type heat preservation gate valve

One. Structure and characteristics

1. The jacket is welded and installed between the two flanges of the valve, and the side and bottom of the valve are provided with the connection port of the jacket.

2. The size of the connecting flange is one to two sizes larger than that of an ordinary valve of the same specification, and the structural length is the same as that of an ordinary valve of the same specification.

3. Steam or other hot insulation medium can flow freely in the jacket to ensure that the viscous medium can flow through the valve smoothly.

Two. Implementation standards

Design and manufacturing: GB12234

Flange size: JB/T79　GB9113

Pressure temperature: GB9131

Structure length: GB12221

Butt welding connection size:-

Inspection and test: GB13927