It has obvious vibration isolation and sound insulation effect in a wide interference frequency range, especially suitable for low-frequency solid sound transmission caused by wall vibration
Installation process of light steel keel electric butterfly valve: 1. Clean the base course of keel framework installation position
2. Snap lines according to the width of keel on the base course, and mark the positions of doors and windows, sanitary facilities and pipes at the same time
Snap lines clearly and accurately