PVC Air Regulating Valve 75–200mm Manual Check Valve Duct

PVC Air Volume Regulating Valve — Manual Round Check Valve for Home Ventilation

Keep your home's airflow perfectly balanced with this durable PVC Air Volume Regulating Valve. Available in multiple sizes (75mm, 110mm, 150mm, 160mm, and 200mm), this round manual check valve is designed for seamless integration into residential and commercial HVAC, ventilation, and air duct systems. No electricity required — simply adjust manually for precise airflow control.

Made in Mainland China.

Key Features

• Multiple Size Options: Available in 75mm, 110mm, 150mm, 160mm, and 200mm to fit a wide range of duct openings.
• Durable PVC Construction: Lightweight yet robust PVC material resists corrosion and wear for long-lasting performance.
• Manual Regulating Design: Easy hand-operated adjustment allows you to control air volume without any electrical components.
• Check Valve Function: Prevents backflow of air, maintaining consistent one-directional airflow in your ventilation system.
• Electricity-Free Operation: Fully mechanical — no wiring, no power source needed, making installation simple and safe.
• Versatile Use: Ideal for homes, offices, warehouses, bathrooms, kitchens, and industrial ventilation ducts.
• Compact & Portable: Lightweight round profile fits neatly into standard duct connections.

Specifications

• Material: PVC
• Type: Air Volume Regulating Valve / Manual Check Valve
• Available Sizes: 75mm / 110mm / 150mm / 160mm / 200mm
• Operation: Manual (electricity-free)
• High-Concern Chemicals: None
• Origin: Made in Mainland China

What's in the Box?

• 1 × PVC Air Volume Regulating Valve (size as selected)

Note: Due to different monitor settings and lighting conditions, the actual color may vary slightly from product images. Please allow ±1–2cm deviation due to manual measurement.

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Frequently Asked Questions

Q: What sizes does this PVC air volume regulating valve come in?

A: This manual check valve is available in five sizes: 75mm, 110mm, 150mm, 160mm, and 200mm, making it compatible with a wide variety of standard residential and commercial ventilation duct diameters.

Q: Does this air regulating valve require electricity to operate?

A: No — this valve is completely electricity-free. It operates manually, allowing you to open, close, or adjust airflow by hand without any wiring or power supply.

Q: What is the check valve function used for?

A: The check valve function prevents air from flowing backwards through the duct, ensuring consistent one-directional airflow in your HVAC or ventilation system and maintaining proper air circulation throughout your space.

Q: Is this valve suitable for bathroom or kitchen ventilation?

A: Yes. The PVC air volume regulating valve is well-suited for bathroom exhaust ducts, kitchen ventilation systems, and general home or office air duct installations where manual airflow control is needed.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.