Fcu ahu applications of 2 way and 3 way valves. The a port must be piped to the coil to maintain proper control.
Book 2 Chapter 8 Directional Control Valves Hydraulics
3 way diverting valve piping diagram. 3 way valve flow rate for water applications gallons per minute gpm. Y mixing valve piping diagra three way diverting valve piping diagram. Another style of globe valve body is the three way body sometimes called a mixing or a diverting valve. Belimo is the global market leader in the development production. The resulting mix flows out through port ab and heads for the radiant floor manifolds. The belimo b2 series 2 way ball valves and b3 series 3 way ball valves are used for two position floating or proportional control of hvac hot or chilled water.
3 b2 24 vs amx 24 mft x1 valve b2 2 way b3 3 way b6 2 way flanged valve size 15 80 ½ to 3 50 250 2 to 10 flanged industrial construction material vs bronze body stainless steel ball and stem vss stainless steel body ball and stem l nickel plated brass body chrome plated brass. This is functionally. 6 installation in the supply or return is dependent on the selected hydraulic circuit. Mixing or diverting valve. The b port restricts fl ow by 30 of a port value. 3 way valves must be piped correctly.
The proper piping of a three way thermostat valve is shown in figure 1. Please support hvac simplified for more videos like this. Hot water enters port a and mixes with cool return water entering through port b. They can be mixing or diverting. Note that the distribution circulator is located between the mixing valve and the manifold station. B332l 3 way diverting ball valve chrome plated brass ball and nickel plated brass stem 800 543 9038 usa 866 805 7089 canada 203 791 8396 latin america caribbean.
Resize the valve applying the fp factor to find the new cv. For three way valves used in chilled water hot water summer winter changeover mixing two position or diverting use a line size valve. The proper v5013 depends on the valve piping. This is a low d p application. The belimo characterized control valve is a control valve not a manual valve adapted for actuation. This valve design has three ports on it with the plug in this particular case a cage guided plug controlling the degree to which two of the ports connect with the third port.
Refers to valve ports a to ab. They vary in size from 2 to 6 pipe diameter and have a cv range of 68 340 three way mixing 68 248 three way diverting. A diverting valve installed upstream of the coil determines the flow through the coil see fig. One example of this is the coil bypass application see fig. Mixing is the preferred piping arrangement. The terms diverting application and mixing application do not always clearly define the appropriate v5013.
As in two way valves if the three way valve selected is less than line size dont forget the fp factor.
Gallery of 3 Way Diverting Valve Piping Diagram
