Integrally Molded Plastic Inspection Well | Eco-Friendly, Light Weight & Settlement Resistant | Haierde

Core Advantages of Haierde HDPE Reinforced Winding Pipe

• Excellent anti-aging & anti-corrosion performance: Resists corrosion from domestic sewage, mild industrial sewage and saline-alkali soil without weathering, pulverization or peeling, solving premature aging and short service life of brick inspection wells.
• Strong foundation adaptability & eco-friendly: Flexible plastic material is shock-resistant and tolerates uneven foundation settlement; simple installation avoids breakage and fracture of rigid brick wells caused by settlement.

Why Choose Haierde Plastic Inspection Well?

• Complies with national standard (CMA: CJ/T326-2010)
• Optional specifications: Well mouth size 315mm~1200mm, ring stiffness SN4-SN8
• Complete supporting accessories: Well shafts and composite rubber rings
• Damage compensation guarantee

Frequently Asked Questions

Q1: Which is more cost-effective, plastic inspection well or brick well?

A: Plastic inspection well.

Q2: Connection method for different-diameter pipes at municipal rainwater & sewage main wells?

A: When connecting small-diameter pipes (110/160/200) to large-diameter well sockets (300, 400), install HDPE eccentric reducing joint with rubber ring flexible socket connection.

Q3: Key notes for backfill construction?

A: Lay sand and gravel cushion at the well bottom; backfill fine sand symmetrically on both sides of the well shaft, avoid squeezing the shaft with large hard objects.