Phone Number (+65) 6265 8128
Email Addresssales@duvalco.net
Our location2 Kallang Avenue, CT Hub, #05-19, Singapore 339407
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Duvalco is proud to be the official distributor of Wapro products, especially the renowned WaStop Inline Check Valve, in the market.

The WaStop Inline Check Valve provides reliable and effective protection against flooding and backflow in wastewater and stormwater systems. Featuring a unique self-sealing design, WaStop not only prevents reverse water flow but also blocks odours and pests, offering excellent protection for both people and property.

Its simple yet innovative mechanism is automatically activated by pressure changes within the pipeline, requiring no electricity to operate. This makes WaStop a sustainable, maintenance-free, and highly dependable solution for modern water infrastructure systems.

ABOUT WAPRO

Wapro is a Swedish company specializing in innovative solutions for flood prevention, backflow protection, and flow regulation in wastewater and stormwater systems. With decades of experience and operations in over 50 countries, Wapro is committed to protecting people, property, and the environment through high-quality, reliable, and sustainable products. The company focuses on simple yet effective engineering solutions, supported by strong technical expertise, fast service, and continuous innovation to meet the growing challenges of climate change and extreme weather conditions.

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Explore innovative products and technologies built for efficiency, durability, and sustainability.

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