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. 246-3273
Mfr. Part No.V4073A1039
BrandHoneywell
SGD293.55
Each
units
22mm 3 8.6 bar 230 V ac -
RS Stock No. 246-3267
Mfr. Part No.V4043H1080
BrandHoneywell
SGD331.21
Each
units
1in 2 8.6 bar 230 V ac -
RS Stock No. 794-8429
Mfr. Part No.ZONE250905
SGD104.29
Each
units
22mm 2 0.69 bar 220 → 240 V Brass
RS Stock No. 799-8796
BrandRS PRO
SGD1,457.94
Each
units
2in 3 800 psi - Stainless Steel
RS Stock No. 799-8847
BrandRS PRO
SGD871.46
Each
units
1in 3 1000 psi 24 V ac/dc, 110 V, 220 V Stainless Steel
RS Stock No. 799-8834
BrandRS PRO
SGD752.47
Each
units
1/2in 3 1000 psi 24 V ac/dc, 110 V, 220 V Stainless Steel
RS Stock No. 805-6058
BrandRS PRO
SGD172.52
Each
units
1/4 in, 1/8 in 2 100 psi - Extruded Aluminium Alloy
RS Stock No. 805-6042
BrandRS PRO
SGD122.19
Each
units
1/4 in, 1/8 in 5 100 psi - Extruded Aluminium Alloy
RS Stock No. 812-5236
BrandRS PRO
SGD25.78
Each
units
1/2in 2 40 bar - Brass
RS Stock No. 805-6048
BrandRS PRO
SGD129.51
Each
units
1/4 in, 1/8 in 2 100 psi - Extruded Aluminium Alloy
RS Stock No. 246-3251
Mfr. Part No.V4043H1056
BrandHoneywell
SGD224.14
Each
units
22mm 2 8.6 bar 230 V ac -
RS Stock No. 799-8761
BrandRS PRO
SGD727.80
Each
units
1-1/4in 3 800 psi - Stainless Steel
RS Stock No. 178-3441
Mfr. Part No.199127405
SGD1,457.26
Each
units
25.4mm - 10 bar 230 V -
RS Stock No. 799-8806
BrandRS PRO
SGD492.27
Each
units
2-1/2in - - - Nitrile Liner
RS Stock No. 799-8800
BrandRS PRO
SGD505.62
Each
units
3in - - - EPDM Liner
RS Stock No. 812-5242
BrandRS PRO
SGD94.93
Each
units
1-1/4in 2 40 bar - Brass
RS Stock No. 799-8825
BrandRS PRO
SGD581.20
Each
units
2-1/2in - - - EPDM Liner
RS Stock No. 805-6045
BrandRS PRO
SGD103.74
Each
units
1/4 in, 1/8 in 5 10 bar - Extruded Aluminium Alloy
RS Stock No. 760-5719
BrandRS PRO
SGD741.30
Each
units
- - 1000 psi - -
RS Stock No. 799-8755
BrandRS PRO
SGD401.30
Each
units
1/2in 3 1000 psi - Stainless Steel