Features ???? HIGH QUALITY MATERIAL: The DN15 safety valve is made of high quality brass, very strong and durable. The membrane is made of heat-resistant and anti-aging material, and the rotating lid is made of impact-resistant plastic. The overall design is beautiful and the workmanship is excellent. ???? SEALING PERFORMANCE: Sanitary system safety valve has good sealing performance, stable performance and strong practicability. Used in closed heating systems, it can make your life more convenient. ???? HIGH PRECISION: G1/2'' brass safety valve is small in size, light in weight and easy to carry. Thanks to exquisite craftsmanship and technology, our valves are extremely durable. ???? EASY TO INSTALL: The diaphragm safety valve must be installed on the flow channel in the direction of the arrow close to the lowest temperature point, the highest temperature point or the heat source. Easy to install and operate, doesn't take too long. ???? SERVICE: We want to bring you the best product experience. If you have any pre-sales or after-sales questions, please feel free to contact us. We are committed to bringing the best shopping experience to our customers and will solve your problems in a timely manner. Specification: Material:Brass Conncetion Pattern:Thread Structure Mode:Spring Application:Water Size:G 1/2'' Pressure(Optional):3bar/6barThread Type:G Thread Package List: 1 x Safety Valve Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List