SHANDONG PIONEER HEAVY INDUSTRY TECHNOLOGY CO., LTD.  

Product Name: Glass Lined Manhole/ Handhole Condition: New Agitator Model: Optional Structure: Optional Capacity: Optional Material: Glass-Lined Type: Reaction Kettle Trademark: Pioneer Transport Package: Wooden Case Origin: Shandong HS Code: 8479820090 Product Description Quick Openning ManholeQuick openning manhole is to install balancer and other devices on ordinary manhole. It is simple in structure, safe and reliable. Manhole can be closed and opened conveniently by spring force. It is suitable for glass lined reactor which needs to open manhole frequently.As a manhole device for maintenance and cleaning, it can be conveniently closed and opened by the spring force, convenient for workers to enter, saves time, and quickly opens manhole to protect the porcelain layer above the environmental protection manhole from damage, and the sealing effect is excellent.