How do you size a ball valve?
If the internal diameter (ID) of the hose is close to 2” you will need a 2” ball valve, or if the external diameter of the male thread is close to 2” you will need a 2” ball valve.
What does 600 CWP mean on a ball valve?
cold working pressure
600 cwp valve operates under cold working pressure measurements and the temperatures usually vary up to 100F. The pressure capacities of the valves vary and the 600 cwp pn40 ms58 indicates that the pressure is 600PSI. These are usually shut off valves which are used to have either an open or closed position.
What are the four types of ball valves?
There are five general body styles of ball valves: single body, three-piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve—especially the casing that contains the ball itself—are manufactured and assembled. The valve operation is the same in each case.
What does 150 WSP mean on a ball valve?
WSP. WSP stands for Working Steam Pressure and defines the pressure of steam in a system that a ball valve can be used in. The industry uses WSP for bronze ball valves because, as the temperature rises, the strength of the material decreases.
How do I choose a ball valve?
In order to choose the right Ball Valve, identifying the pressure level is also imperative because it will help in selecting the specialized valve with the material involved. Ideally, Ball Valves are available in stainless steel, ceramic and even PVC for accentuating different types of liquid flow.
What does 600wog mean?
600 psig (pressure withstanding capacity for water, oil or gas)
What is a 3 piece ball valve?
Three-piece ball valves are manufactured with one main body and two pipe connectors. The pipe connectors are typically threaded or welded to a pipe. This enables the main body to be easily removed for cleaning or repairs without having to remove the pipe connectors.
What is WSP rating?
The Steam Working Pressure (SWP) rating, sometimes known as Working Steam Pressure (WSP), indicates the maximum allowable pressure from hot, vaporized water.
What does CWP mean on a ball valve?
Cold Working Pressure
CWP stands for Cold Working Pressure and is an indication of the pressure rating for valves at a temperature up to 100°F.
How do I choose a valve size?
When sizing a control valve, the rule of thumb is to size it so that it operates somewhere between 20-80% open at maximum required flow rate and whenever possible, not much less than 20% open at the minimum required flow rate.
How do you calculate ball valve torque?
Dynamic torque can be calculated from the formula Td = C (ΔP). Here, ΔP is the effective pressure drop across the valve at a given temperature and C is, once again, a constant.
What type of valve is a ball valve?
quarter-turn valve
Ball valves are a type of quarter-turn valve along with plug valves and butterfly valves. They can be operated manually or by using an actuator. The simplest operation of a ball valve is through the use of a wrench or a lever manually turned by an operator.
What is 2 piece ball valve?
Two-piece ball valves are some of the most common ball valves used. As the name suggests, the two piece ball valve consists of two pieces, one piece that has one end connection and the body. The second piece fits into the first, holds the trim in place and includes the second end connection.
What is the difference between A216 WCB and WCC?
ASTM A216 WCC has a slightly higher pressure/ temperature rating than A216 WCB as it has a higher yield strength and a slightly higher manganese content. A216 LCC is basically the same as A216 WCC except it is charpies impact tested at -46ºC for low temperature service.
How do you calculate the flow of a valve?
The volume flow rate for liquids can be calculated by multiplying the fluid velocity times the flow area. Thus, Cv is numerically equal to the number of U.S. gallons of water at 60°F that will flow through the valve in one minute when the pressure differential across the valve is one pound per square inch.