The cover is a lid that is installed in facilities such as treatment plants, water purification plants, and water tanks for the purpose of safety measures and prevention of odor diffusion in the tank. High strength and corrosion resistance are required.
The overflow plate is a product used for the purpose of collecting, distinguishing, and distributing suspended matters generated at the stage of sewage, human waste, wastewater treatment, etc.
Since the trough is made of FRP and has high strength, it can be used even in long spans, and advantageous design is possible.

Flat cover

【Features】

  • Because it is made of FRP, it has high strength and can be freely colored and designed.
    (Flat non-slip processing, sliding flat lid)
  • Lightweight and easy to install.
  • Has corrosion resistance against internal gas. It also has good weather resistance.
  • Sandwich structure

【Applications】

  • Sewage treatment plant, urine treatment plant, wastewater treatment plant, final disposal site, water purification facility, water tank, machine hatch, etc.



Dome-shaped cover

【Features】

  • Convenient for inspection and maintenance of internal machinery.
  • Lightweight and high strength, it can be moved easily.
  • Installation work is also easy.
  • Free design. (Shallow dome, deep dome)

【Applications】

  • Water supply related facilities, water tanks, sewage treatment plants, urine treatment plants, wastewater treatment facilities



Domed ambulatory cover

【Features】

  • Convenient for inspection and maintenance of internal machinery.
  • Lightweight and high strength, it can be moved easily.
  • Installation work is also easy.
  • Free design. (Shallow dome, deep dome)

【Applications】

  • Water supply related facilities, water tanks, sewage treatment plants, urine treatment plants, wastewater treatment facilities



Overflow board・trough

【Features】

  • Because it is made of FRP, it has excellent corrosion resistance.
  • Light weight and easy to install.
  • The running water surface is smooth and algae are less likely to grow.
  • You can choose the color freely.

【Applications】

  • Sewage treatment, urine treatment, water supply facility, wastewater treatment facility

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Inquiries by phone
Imai factory
TEL: +81(0)263-59-2211/FAX: +81(0)263-50-3303
email : info-plant@tip-composite.com