... called Angle valves, Angle valves, folding Angle valves. Angle valve body have inlet water control, mouth, an outlet three mouth, so called ... outside an outlet. (2) is the water pressure is too big, can be in triangle valve top adjustment, down a bit, (3 ... .How to calculate the triangle valve usageThe toilet one, the face basin bibcock, two leading two dishes basin, water heater, if you only ...