Motorised & Actuated Valves

Motorised valves are used to control water flow from the boiler to heating and hot water circuits, and is operated electrically.


Types of motorised valves:

A motorised valve can be a 2 port valve or a 3 port valve.
•2-port - The valve has 2 pipe connections (ports) and permits or blocks flow between the ports depending on whether it is actuated or not. Flow is permitted when the valve is actuated and blocked in its resting state.


•3-port - The valve has 3 pipe connections, in a T formation. The centre leg of the T is the inlet and the two short arms are the outlets, usually referred to as ports A and B. Actuation controls whether the flow from the inlet passes to the A or B port. In the resting state flow is to the B port (usually the hot water circuit).




Actuated valves

Actuated valves are the mechanism for opening and closing the valve, an actuator requires a control signal and a source of energy. Actuators may be only to open and close the valve, or may allow intermediate positioning; some valve actuators include switches or other ways to remotely indicate the position of the valve.

Valves and Actuators are two completely separate components; however, they do work together to accomplish a common task.

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Description Price Compatible Pipe Size Number of Ports Maximum Working Pressure Supply Voltage Body Material
RS Stock No. 812-5236
BrandRS PRO
HK$137.62
Each
units
1/2in 2 40 bar - Brass
RS Stock No. 246-3267
Mfr. Part No.V4043H1080
BrandHoneywell
HK$1,733.01
Each
units
1in 2 8.6 bar 230 V ac -
RS Stock No. 794-8429
Mfr. Part No.ZONE250905
HK$508.27
Each
units
22mm 2 0.69 bar 220 → 240 V Brass
RS Stock No. 246-3251
Mfr. Part No.V4043H1056
BrandHoneywell
HK$1,167.34
Each
units
22mm 2 8.6 bar 230 V ac -
RS Stock No. 799-8838
BrandRS PRO
HK$4,302.62
Each
units
3/4in 3 1000 psi 24 V ac/dc, 110 V, 220 V Stainless Steel
RS Stock No. 805-6048
BrandRS PRO
HK$628.46
Each
units
1/4 in, 1/8 in 2 100 psi - Extruded Aluminium Alloy
RS Stock No. 799-8834
BrandRS PRO
HK$4,076.35
Each
units
1/2in 3 1000 psi 24 V ac/dc, 110 V, 220 V Stainless Steel
RS Stock No. 720-9267
BrandRS PRO
HK$1,729.73
Each
units
- - 17 bar - Carbon Steel
RS Stock No. 760-5719
BrandRS PRO
HK$4,015.87
Each
units
- - 1000 psi - -
RS Stock No. 805-6036
BrandRS PRO
HK$478.31
Each
units
1/8in 5 10 bar - Extruded Aluminium Alloy
RS Stock No. 901-0176
Mfr. Part No.199107407
HK$7,306.04
Each
units
1-1/2in 2 10 bar 100 → 230 V ac PVC
RS Stock No. 805-6042
BrandRS PRO
HK$652.31
Each
units
1/4 in, 1/8 in 5 100 psi - Extruded Aluminium Alloy
RS Stock No. 812-5245
BrandRS PRO
HK$688.46
Each
units
1-1/2in 1 40 bar - Brass
RS Stock No. 246-3273
Mfr. Part No.V4073A1039
BrandHoneywell
HK$1,737.96
Each
units
22mm 3 8.6 bar 230 V ac -
RS Stock No. 799-8847
BrandRS PRO
HK$4,741.33
Each
units
1in 3 1000 psi 24 V ac/dc, 110 V, 220 V Stainless Steel
RS Stock No. 805-6054
BrandRS PRO
HK$936.71
Each
units
1/4 in, 1/8 in 3 100 psi - Extruded Aluminium Alloy
RS Stock No. 799-8771
BrandRS PRO
HK$2,776.00
Each
units
3/4in 3 1000 psi - Stainless Steel
RS Stock No. 812-5233
BrandRS PRO
HK$272.50
Each
units
1in 1 40 bar - Brass
RS Stock No. 799-8761
BrandRS PRO
HK$3,942.73
Each
units
1-1/4in 3 800 psi - Stainless Steel
RS Stock No. 805-6045
BrandRS PRO
HK$553.81
Each
units
1/4 in, 1/8 in 5 10 bar - Extruded Aluminium Alloy
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