... .3. Humanized design, feel comfortable, easy to operate; 4. A variety of sizes to choose from: DN10, DN15, DN20, DN25 ... valve, angle valve, three-way valve; 4. According to European standard design, quality and reliable; 5. Because we ... are professional, so they are better!Warmly welcome to visit our company and do business negotiations.Weight information ... g 455 g 600 g floor heating systems valve