เช็ควาล์ว ทำจากทองเหลืองคุณภาพสูง มีให้เลือก 1/2 3/4 และ 1 นิ้ว เพิ่มแรงดัน

Feature： *Brand new and high quality *HIGH SAFETY – return valve prevents unwanted return of liquid. With just a few revolutions, the valve is screwed watertight and guarantees an absolutely clean drinking water ! * APPLICATION – The return valve can be connected to rain barrels, barrels, washing machines, pumps, pipes and other connections with G 1/2, 3/4 or 1-inch external thread! *Suitable for high loads – Thanks to the sturdy construction and high-quality brass, the non-return valve can withstand pressure of up to 20-bar. The water pressure remains even and constant! *TESTED MATERIALS ONLY – The check valve uses the best CW617N brass. Combined with KTW tested seals and a stainless 304 stainless steel spring, and frost have no chance! Details： *Material:Brass *Color:as shown *Connection size: 1/2inch=DN15，3/4inch=DN20，1inch=DN25 Package Contents: 1*Brass vertical check valve Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.*