CL dual spring automatic greenhouse vent opener is made for large and medium greenhouses. It has a one-of-a-kind double spring structure. This makes window opening and closing easy and smooth. It fixes the jamming problem fully.It uses all mechanical parts. Dual spring automatic greenhouse vent opener doesn’t need for electricity. It good to use in places where electricity is hard to get.
The main body of dual spring automatic greenhouse vent opener is made of thickened aluminum alloy and imported rust-proof spring, which has been measured to have a service life of more than 5 years. The double spring system can accurately control the opening and closing speed of the window, avoiding sudden popping open or closing, providing stable and reliable ventilation guarantee for the greenhouse.
| Parameter | Details |
| Max Load Capacity | 15kg (30lb) |
| Max Window Height | 45cm (17.7in) |
| Temp Activation | 16-25°C (fully opens at ~33°C) |
| Color Options | Silver, Black |
| Material | Aluminum Alloy + Stainless Steel Springs |
| Warranty | 3 Years (Extendable to 7 Years for Bulk Orders) |
| Certifications | CE, RoHS, ISO 9001 |
Applicable environments and scenarios
Dual spring automatic greenhouse vent opener works well for commercial greenhouses, plant growing centers, research greenhouses. It’s great for big greenhouses that need strict temperature control.
Automatic window opener can be used to let air in automatically through side or top windows of greenhouses. This stops plants from getting stressed when it gets too hot.It keeps letting air in steadily and reliably. Works in changing weather. Works in high humidity too.
Product Features
Brand and after-sale guarantee
We have made greenhouse window openers for many years. Each product passes strict quality checks before leaving the factory. All products come with 3 years of warranty. Customers buying in bulk can ask to extend warranty to 5 years. We have a professional after-sales team. They stand ready to give technical advice, installation help and parts replacement. Makes sure you use with no worries.
Ordering and Customization
We can change product settings to match what you actually need. This covers thrust size, stroke length and opening temperature range. We provide professional OEM service. Can change product packaging and labels to fit your brand needs. Whether it’s a sample order or buying in bulk, we make sure delivery is on time and supply stays steady.
Logistics and Distribution
We have a strong global logistics setup. It lets us deliver quickly. Offers different transport options. All products are packed with professional foam padding. This protects them. Keeps them from getting damaged while being shipped. We support air and sea transport. Fits the needs of customers in different areas.
