Round Volume Damper

Round Volume Damper is an air volume adjustment valve specially designed for circular ventilation pipelines. It adopts a cylindrical valve body structure, can be directly connected to various circular air ducts, ventilation shafts and equipment interfaces, and is widely used in scenarios with compact space such as ceiling pipelines, small ventilation systems, and equipment supporting ventilation. Round Volume Damper changes the flow area by adjusting the opening of internal damper blades, thereby precisely controlling the supply air volume and return air volume of circular pipelines. With smooth air flow transition and low wind resistance in fully open state, it has little impact on system ventilation efficiency, and is an ideal air volume adjustment component for circular ventilation systems.

Our Round Volume Damper adopts a cylindrical valve body formed by integral rolling, made of high-quality galvanized steel sheet, with compact structure, high dimensional accuracy and good sealing performance with circular air ducts. The damper blades adopt circular single-blade or multi-blade structure, with flexible rotation, covering the adjustment range of 0° to 90°, and can be locked at any angle. The valve shaft is made of stainless steel, matched with wear-resistant sealing shaft sleeves, which not only ensures smooth rotation, but also effectively reduces leakage at the shaft. With 23 years of air valve manufacturing experience, our Round Volume Damper has been specially optimized in wind resistance control, adjustment accuracy and sealing performance. It is easy to install and has strong adaptability, and can meet the air volume adjustment needs of various circular ventilation systems.

• Building pipe shafts: Air volume adjustment of ventilation shafts and circular pipelines in ceilings
• Small systems: Split ventilation systems in residences and small commercial spaces
• Equipment matching: Interface air volume adjustment of fans, air conditioning units and other equipment

We support non-standard size customization of Round Volume Damper. The valve body specifications can be customized according to customers' air duct diameter and wall thickness requirements to adapt to various special-sized circular pipelines. For different usage scenarios, manual or electric control modes can be selected, and special working condition versions with stainless steel materials and high-temperature seals can also be customized. The minimum order quantity is 1 piece, and mixing different diameter specifications in a single order is supported. The development cycle of customized samples is about one week, and free samples can be applied for bulk procurement.

We provide customers with full-cycle after-sales service guarantee. Pre-sales assistance is available for model selection and air volume calculation. In-sales follow-up of production progress and timely feedback is offered. After-sales service includes one-year free warranty and lifetime technical support. For the installation and commissioning of circular valves, we can provide on-site guidance to assist customers in completing air volume balance commissioning. For product quality problems within the warranty period, customers can enjoy the three-guarantee service of repair, replacement and refund. After the warranty period, maintenance and accessory replacement services are provided with only component cost fees. Common specification accessories are kept in stock for quick after-sales response.

We support flexible business payment plans. Standard products adopt the settlement method of 30% advance payment and 70% balance payment. Bulk procurement can enjoy tiered price discounts. We support settlement in multiple mainstream currencies such as US dollars, euros, and British pounds, and can negotiate payment nodes and payment terms according to customer needs. Repeat orders and long-term cooperative customers can enjoy priority production scheduling and additional price discounts, ensuring customers' procurement cost and delivery efficiency.

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