Building automation system, Valve
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- Size DN15…DN32
- Kvs value 3.
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Models
There are five models. RTAM-24, RTAOM-24, RTAM-230 and RTAOM-230 are intended for 2-point (On/off) control. RTAM-24A is intended for proportional
control with 0...10 V control signal.
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resistant materials is a requirement.
- Size DN15–DN50
- Kvs value 0.63...39
- Rangeability 100:1
- Media temperature -5...
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Description
The valves are delivered with a grey protectioncap.
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conditions.
Function
On demand, the valve is opened by a signal from a thermostat (supply voltage on).
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Function
The valve is closed when the stem is in its lowest position.
Actuator
The valve is pressure balanced and can therefore handle high differential pressure with low force.
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Function
BTR (3-way valve): Open between port 2 and port 1 when the stem is in its lowest position. (Is in this position closed between ports 3 and 1).
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- Size DN15…DN50
- Kvs value 0.63…40
- Media temperature -5…+140°C
- Pressure rating PN16
- Rangeability 100:1
The valves are pressure balanced from DN20, type 2SB, and are therefore able to handle high differential pressures with low force.
Function
The valve closes when the stem is in its lowest position.
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Stroke and end position calibration
Stroke and end position calibration is not necessary due to a construction utilizing end position stops.
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Stroke and end position calibration
Stroke and end position calibration is not necessary due to a construction utilizing end position stops.
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pneumatic signal from a controller. A V-9502 Valve Positioner can be ordered separately for use with the V-3000-8012 only, in applications where sequential
operation is desired or additional positioning power is necessary.
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- Â Digit Indication Hand-wheel - Accurate and clear indication of the scale, enabling operators of easy and correct commissioning.
- Â High-grade Materials for DN65~DN500 - QT450-10 High-grade ductile iron for valve body. High-grade stainless steel for balancing disc and stem with sound anti-corrosion performance.
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1: DN15 to DN250 available
2: Kvs 0.63 to 700 m3/h
3: High-grade ductile iron QT450-10 for valve body
4: Standard flange connection of ISO7005-2
5: Fitted with VAP-B, VAF series actuator with various â–łP available for different applications
Following actuators are available:
- VA-708x thermal ON/OFF actuator
- VA-709x thermal 0...
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They are operated by remote mounted Spring Return and Non Spring Return actuators of Johnson Controls.
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