Ball valve used in sprinkler hose irrigation is installed at the beginning of sprinkler hose to control water flow, open or shut down.
There are three main components of plastic ball valve: 1. PVC plastic body shell. 2. Ball inside with a flow hole. 3. Handle outside to turn the ball.
The size of ball valve is according to the inside diameter of inlet (equal to outlet).
The sizes from small to big are 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”, 2 1/2”, 3”, 3 1/2”, 4”.
Due to the different of ball and handle there are 3 grades of plastic ball valve:
1. All plastic valve
This grade of valve is all made from PVC plastic. It is the cheapest and popular grade. But the handle may crack in sunlight.
2. Stainless steel handle with plating plastic ball
This grade of valve is a handle made from stainless steel with a plating plastic ball inside. The price is higher but the handle is not damaged by sunlight.
3. Stainless steel handle with stainless steel ball
This grade of valve has a stainless steel handle and a stainless steel ball inside. The appearance is the same as previous grade. The price is the highest but the ball is not to deform in high temperature weather.
The purpose of Slider Kit is to gather common slideshow-like jQuery functionalities (such as news sliders, photos galleries/sliders, carousels, tabs menus)
When tracking mouse movement, you usually need to know the actual position of the mouse pointer. The event object that is passed to the handler contains some information about the mouse coordinates.