Is mainly used in petroleum, chemical, metallurgical, pharmaceutical and other kinds of systems, the valve collet welding on the valve between two flanges, the side of the valve and connection Settings are at the bottom of the jacket, can freely through the jacket steam or other heat insulation medium, to ensure that the viscous medium can be smoothly through the valve.
BZ41H jacket insulation gate standards:
Design and manufacturing: GB12234
Flange dimensions: JB/T79 GB9113
Pressure and temperature: GB9131
Structure length: GB12221
Butt welding size: -
Inspection and test: GB13927
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