Cast copper swing check valveMade of brass for strength and durabilityMetal-to-metal seal, threaded brass bodyBrass swing check valve prevents reverse flow of water in the application59-1 fine copper punching process, national standard plating. Double throw double plating, lasting and novel.Upgrade all copper handles, thicken and widen hex nuts.Switching valves that pass through the are widely used.Bubble bag packaging, pearl cotton bag packaging, separate carton packagingproduct weight:80 tons of precision high speed punching machine,The product has the characteristics of one-time molding, high density and stable quality, and it is durable.High-precision, high-quality ceramic spools with a service life of 500,000 cycles.The surface coating meets the requirements of the new national standard and can pass the 24-hour salt spray test.The full range of products can be supplied in single or blister packs for worry-free use.Colour:SilverMaterial:brassSize:Inner diameter 20mmPackage Contents:1*Straight through shower switch valveOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.