General description AlwaysH 1 1/2 inch check valve is made of heavy-duty high-quality brass, ensuring it is rust-proof and leak-proof. This durable non-return valve is designed for various applications, including pumps, fountains, washing machines, gardens, rain butts, and barrels. Technical specifications Material: High-quality brass Size: 1 1/2 inch external thread Standards: Produced according to French standards Compatibility and accessories Compatible with all pipes, hoses, and fittings with 1 1/2 inch external thread in accordance with BSP Installation Easy installation with just a few turns to screw in the waterproof check valve Usage Provides protection against unwanted backflow Can withstand high temperatures and pressures Ensures no leakage due to robust material, spring, and high-quality seal Other information Manual measurement may allow for a 1 - 3cm error Color may vary depending on the physical object received