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Anti Siphon Valves

Pressure System’s Anti Siphon Valves can be found in countless industrial and residential systems. Your peace of mind is our utmost priority. To ensure your systems operate seamlessly and ... Read More your water supplies stay clean, we present our comprehensive range of anti siphon valves.


A critical component in any pressurised system, anti siphon valves play a pivotal role in preventing the backward flow of fluids, averting the risk of contamination and system disruption. These valves are designed to prohibit potentially harmful fluids from siphoning back into your clean water supply, ensuring a safe, reliable system operation.

Our collection of anti siphon valves is robustly engineered and meticulously crafted, designed to withstand even the most rigorous usage conditions. Each valve in our range is constructed from premium materials, guaranteeing durability, reliability, and longevity, while also offering superior resistance to corrosion and wear.

Beyond the tangible product, Pressure Systems offers expert support. Our team of experienced professionals is always on hand to guide you through the selection process, ensuring that you opt for the right anti siphon valve for your specific application and system requirements. We firmly believe that the right valve can make all the difference in preventing costly repairs and maintaining the efficiency of your system.

Choose Pressure Systems for Your Anti Siphon Valves

When it comes to safeguarding your systems and ensuring precise fluid control, compromising on quality is simply not an option. That's why Pressure Systems stands as the unrivalled choice for exceptional anti siphon valves. By choosing our products, you gain access to a wealth of benefits that go beyond a mere transaction – you invest in decades of industrial expertise, an unwavering dedication to customer satisfaction, and a proven legacy of excellence.

40+ Years of Experience

40+ Years of Experience – With over four decades of service, we possess an unmatched depth of knowledge and expertise in providing top-tier anti-siphon valves. Our extensive experience has allowed us to stay at the forefront of evolving safety standards and the latest technological advancements, ensuring that our valves are always engineered to meet the highest industry benchmarks.

Proudly Australian Owned

As an Australian-owned and operated company, we have an innate understanding of the unique requirements and challenges faced by our local customers. We take immense pride in our ability to deliver tailored solutions that precisely cater to the distinct needs of the Australian market.

Rapid Procurement

We recognise that in safety applications, every second counts. That's why we have established robust relationships with global suppliers, enabling us to source components swiftly and efficiently. Our streamlined supply chain ensures that you receive the parts you require precisely when you need them, minimising downtime and maximising the reliability of your systems.

Tailored Industry Solutions

Our commitment extends far beyond offering dependable products. We are dedicated to providing industry-specific solutions meticulously tailored to meet the unique demands of your sector. Whether you operate in the oil and gas industry, chemical manufacturing, or any other sector that mandates stringent safety measures, our products are purposefully engineered with your specific requirements in mind. We understand the critical importance of precision and reliability within your industry, and our valves are designed to deliver exactly that.

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DN15 - DN65 | 1/2" - 2.1/2" (NPT/BSPT)
0.1 - 20.7 Bar | 15 - 250 PSI
-29°C to 218°C | -20°F to 425°F
ASME Section 1