Specialized in the production of: mobile component molding machine, high-frequency core mold vibration pipe making machine equipment, high-frequency vibration inspection well equipment, high-frequency vibration box culvert equipment, box culvert molds, check well molds, cement pipe molds and other cement pipe equipment.
Inspection method of closed water test
2025-07-31
1. Closed water test device Figure 2. Closed water test 2.1. Check whether the plugs at both ends of the access pipeline of the inspection well are blocked. 2.2. Fill the inspection well with water and increase the pressure to 0.1MPa, drain the internal air, and keep the pressure constant for 5 minutes. 2.3. Observe whether there is water leakage on the outer surface of the inspection well and make a record.
Installation of precast concrete inspection well
2025-07-31
When a rigid connection is used, the contact surface of the precast concrete inspection well and the pipeline interface should be "scarved". When connecting, 1:2 cement mortar or polyurethane cement mortar can be used for caulking, and the thickness of the joint is 10mm-15mm. The original mortar on the inner side of the interface is flat seamed to ensure that the mortar is full.
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