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Slim uPVC Window Trickle Vents for Quiet Airflow

Durable uPVC window trickle vents offer controlled natural ventilation with a low-profile design, suitable for uPVC window systems and easy to install.

  • Brand:

    ANHUI SHENGXIN
  • Item NO.:

    SX-WS6042
  • Price Range:

    10 - 200000/$0.74
  • MOQ:

    10
  • Product Origin:

    Anhui China
  • Color:

    White
  • Shipping Port:

    Shanghai/Ningbo/Wuhu Port
  • Lead Time:

    25 - 30 Days

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  • Product Details

Shengxin’s uPVC window trickle vents provide a reliable and unobtrusive solution for controlled background ventilation. Designed specifically for integration into uPVC window frames, these vents are easy to operate, lightweight, and highly resistant to weathering. With a manual slider to open or close airflow, they help reduce condensation and improve indoor air exchange, especially in well-sealed buildings. Ideal for both new builds and refurbishment projects, these vents offer quiet performance and minimal visual impact.

Usage Tips

  • For best performance, install on the upper part of the uPVC window sash
  • Slot or drill guides should match the vent’s airflow opening
  • Ensure the sliding flap opens smoothly before final installation
  • Do not over-tighten screws to avoid damage to plastic housing
  • Avoid installing in non-uPVC frames, as fit and performance may vary

manual control window vent for uPVC framessurface-mounted slot ventilator on window sash

About Shengxin

Shengxin Aluminium manufactures premium uPVC window trickle vents designed for effective passive ventilation in modern uPVC windows. Built for long-lasting performance, our slot ventilators for windows are simple to install and help maintain indoor air quality without compromising thermal efficiency. Whether used in residential or commercial glazing, our vents are engineered to meet international airflow standards and can be customized for volume orders. Shengxin is committed to precision, fast delivery, and tailored solutions for your ventilation needs.

Shengxin Aluminium uPVC vent extrusion facility

Certifications & Compliance

Shengxin Aluminium’s uPVC window trickle vents are produced under a strict quality assurance system and meet multiple international standards. Our manufacturing process is ISO 9001:2015 certified, ensuring consistent quality control from raw material selection to final inspection. The vents are fully compliant with RoHS directives, meaning they are free from hazardous substances and environmentally safe for residential and commercial use. For clients requiring documentation, we offer third-party testing reports and full certification records upon request. These certifications help ensure smooth regulatory approvals and demonstrate our commitment to both product performance and responsible manufacturing.

Certifications & Compliance by Shengxin factory

FAQ

Q1: Does this trickle vent include an insect screen?

A: No, this model does not include any form of insect mesh or flyscreen.

Q2: Can I use this on aluminium or wooden windows?
A: These vents are specifically designed for uPVC window frames and may not fit other materials properly.

Q3: Is it possible to control the amount of airflow?
A: Yes, each unit features a manual sliding cover to open or close the vent as needed.

Q4: What is the best location to install the vent?
A: It is recommended to place the vent at the top rail of a uPVC window sash for optimal airflow.

Q5: Can the product be retrofitted to existing windows?
A: Yes, the vent can be added to installed uPVC windows using surface-mount screws or adhesive fixing.

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