1″ Hudson Self‑Contained Float Valve – Automatic Tank Fill Valve

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This 1″ Hudson Self‑Contained Float Valve is engineered for reliable liquid level control in buffer tanks, livestock troughs, irrigation systems, and soft‑wash setups. Featuring a compact, lever‑free design, it uses fluid pressure to regulate filling—no external float mechanisms needed Includes: One float valve with 1″ female NPT inlet connection Glass‑filled nylon body and ABS internal components for chemical and freeze resistance Stainless steel and silicone internals ensure durability and long-term performance Anti‑siphon design prevents backflow and contamination Performance Specifications: Connection: 1″ FNPT inlet, 1″ FNPT outlet Flow capability: Approximately 80% of incoming flow, ideal for high‑volume refill situations Operating pressure range: 4 – 100 PSI, with positive shut‑off beyond typical buffer tank pressures Maximum temperature: up to 175 °F (approx. 90 °C) depending on seal option Dimensions: roughly 5″ height × 3.75″ diameter Weight: approximately 2 lb Key Benefits: No float arm or lever eliminates a common failure point—ideal for freeze-prone or high-usage settings Anti-siphon design meets safety standards by preventing backflow contamination High-flow capacity and automatic shutoff maintain consistent water levels without overflow Durable materials resist UV, rust, and abrasive chemicals Compact form factor allows discreet installation inside tanks or enclosures Show more