Established in 1993, Guanfa Valve Manufacture Co., Ltd. is specialized China orbit valve manufacturer and distributor of valves, hoses, tubes and pipes. Our oem orbit valves are suitable for acid, alkali, water, steam, seawater, coal gas and natural gas. They are widely used in petroleum, chemical, paper making, fertilizer, brewing and metallurgy. The use of specialized software of Pro/E and CAD has shorted the P&D and trial manufacture cycle, and greatly improved the service life and dependability of products. Our high-quality products have been exported to the North Amercia, UK, USA, Germany, Italy, India, France, Australia, Japan.

Orbit Underground #51023 1" Antisiphon Valve. ORBIT UNDERGROUND
The 1" NPT Plastic Anti-Siphon Valve is designed to prevent contaminants from entering the main water supply through sprinkler heads. It has FNPT PVC construction for strength and durability. It is a full-flow control valve and anti-siphon combination, so it's versatile enough to handle complex problems. It is listed by the International Association of Plumbing and Mechanical Officials and is L.A. City approved, so you can be confident it has the stamp of approval from industry professionals. It is not designed to be installed as a main shut-off valve, but correctly used it can help protect your water supply. The ratchet handle prevents overtightening damage, so upkeep is simple and easy. 1" Antisiphon Valve.

Anti-Siphon - Prevents contaminates from entering household water supply. Flow Control Adjustment - Reduces sprinkler fogging and overspray. Internal Bleed Lever -Ideal for testing and flushing sprinkler lines. Flow adjustment from 0 to 8 GPH. Heavy-duty Construction and UV-resistant - Provides years of reliable service. This 1 in. Automatic Anti-Siphon Valve checks back-flush and prevents contaminants from entering household water supply. The durable, non-corrosive plastic construction makes instillation easy and provides years of durable trouble-free service. As a universal valve, it works with residential standard 24 volt sprinkler systems. A manual on/off option and bleed screw make testing and flushing your sprinkler system hassle-free. 3/4", Electric Anti-Siphon Valve, Display Box.

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