Installation instructions circuit setter balance valves are bi directional valves and can be installed in most attitudes.
Armstrong circuit setter installation.
All available for free download.
H when the proper setting has been achieved slightly loosen the two socket head cap screws and rotate the memory stop around until it touches the back side of the indicator.
Armstrong s unique flow control plug and handwheel design provides more precise control than standard ball valve and automatic flow limiting configurations.
Armstrong balancing valves are designed to fit in the most compact installation space enabling architects to devote more internal space to occupants and less to the hvac system.
Valves are to be of the y pattern equal percentage globe style and provide three functions.
Cbv vs cbv vt cbv vb circuit setter.
Armstrong circuit balancing valves are available in sizes from 1 2 to 12 with pressure differential readout ports on both sides of the valve body for easier installation.
The chart covers valves from 1 2 up to 2.
Then tighten the screws to securely set the open memory position.
All valves are equipped with a non rising handle design so the overall valve height remains the same from fully open to fully closed.
However they should be installed in a position to facilitate the ease of balancing the system.
To 2 models feature multi turn adjustment for precise control hidden memory stops to set balance point and soft seats for positive shutoff.
Armstrong venturi balancing valve venturis flow charts are on page 4 of the full pdf.
The armstrong circuit balancing valves cbv provide precision flow measurement pump throttling and temperature measurement capabilities.
Lead free circuit setter balancing valves.
Valve shall provide multi turn 360 adjustment with micrometer.
Ball style manual balancing valve for lead free applications.
Armstrong circuit balancing valves are most often used in hydronic heating and cooling installations using a re circulating liquid as the heat transfer medium.
Suitable liquids include water glycol water mixtures both ethylene and propylene glycols and brine.
1 precise flow measurement 2 precision flow balancing 3 positive drip tight shut off.
Npt and sweat style circuit setter balance valves are equipped with 1 4 npt plugged drain port.
If the drain port is to be used to drain a riser on the downstream side of a.
Click here for armstrong venturi balancing valve full document for setting water flow.
On all valves from 1 2 thru 4 the flow measurement is inde pendent of indicator setting.
Simple quarter turn operation with memory stop and setting indicator.
All valves come equipped with integrated pt ports.