Staefa Control System offers two-port and three-port valves for terminal applications

Staefa Control System provides a variety of zone valves for terminal applications. The new VVP45 two-port seat and VXP45 three-port seat valves work well in extreme pressure environments. Staefa also offers existing 2W (two-port) and 3W (three-port) valves, which work well in water applications where temperatures range significantly. Manufactured by Siemens Building Technologies, Inc., the V.P45 zone valves and the 2W and 3W port valves provide benefits for unique terminal applications.

Longer stem stroke of new zone valves reduces particle buildup Designed without need for a pressure compensation membrane, V.P45 valves are ideal for extreme pressure environments. With a stem stroke of 5 ˝ mm, particle buildup in the valve is virtually eliminated! When mated with the correct SQS type valve actuators, the valves provide a spring return function which meets fail-safe specification requirements.

For easy and affordable retrofit or replacement of Staefa's 2W and 3W valves, the V.P45 zone valves are the ideal solution. The zone valves will fit in the exact location of the 2W or 3W valves they are replacing, without repiping or piping hardware.

Small valves available for secondary air handling equipment For the control of induction and fan coil units, as well as for the control of reheaters and heating coils in legacy Staefa systems, such as Klimo, Smart I and Smart II, check out the compact 2W and 3W valves. Compatible with thermic or magnetic (modulating) valve actuators, these compact valves work well in water applications where temperatures range from 35-248° F (2-120° C). The valve actuators for modulating control all use 0-20 Volt phase-cut signals. A 0-10 Volt dc option is also available.

Stem stroke for 2W and 3W valves is 2 ˝ mm. Easy to mount, the valves are made of bronze and chrome nickel steel.

For more information about valves, visit Staefa's Web site, www.staefa.com/products.htm, or contact kristin.mahoney@sbt.siemens.com

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