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Electric Flow Control Valve
Model: 3131,External Thread with Adapter
Fan-coil control valves are used for controlling the flow of hot or cold water in heating and air conditioning systems. They are ON/OFF operated by electric actuators with max. stroke of 4 mm,such as electrothermic actuator. It can be used both as mixing and diverting valve.
The actuator is made for either 220V or 24V supply in normally closed
APPLICATIONS
The valves are used for diverting/mixing, the heat transfer fluid to a heating or air conditioning system as required by the room thermostat (or timing thermostat).
The 3-way fan-coil valves series 3131, thanks to the special configuration of the plug controlling the by-pass flow, can be used equally well as diverting or mixing valves (thus optimizing to the full the various plumbing requirements in assembly).
MEDIA
These valves can handle the following types of media:
- Fresh water / Potable water
- Closed systems
- Water with antifreeze additive (glycol ≤ 50% mixture)
TECHNICAL DATA
Max pressure, models w. constant Kv 16 bar
Max pressure, models w. variable Kv 10 bar
Min. fluid temperature 4°C
Max. fluid temperature 110°C
Plug stroke 4 mm
By-pass leakage 0,02 % Kvs
Valve thread connection: External Thread, G thread, DN32,DN25
Actuator connection Threaded ring nut M30 x 1.5
MATERIALS
Body: forged brass
Stem: Stainless steel
Spring: Stainless steel
Plug Rubber: EPDM
• normally open (NO) (straight way open and by-pass closed ); when the actuator is energized, the valve is closed.
The reliability of the fan-coil control valves 2131, 3131, 4131 is guaranteed by the 100% testing on the production, which checks the hydraulic seals of the valve body and its components towards the outside and the seal of the plug in its flow shut-off function.
WASSERMANN is a distributor of climate and sanitary hot water solutions and services, operating in a market more than 10 years. It is a company always focuses on customer needs,thus, we offer integrated systems instead of just single products. Our basic product assortment combines the following fields:
. Wall Hung Gas Boilers
. Hot Water Circulating Pumps
. Gas Boiler Circulating Pumps
. Gas Pressure Regulators
. Gas Relief Valves and Gas Filters
. Gas Solenoid Valves and Gas Detectors
. Hot Water Pressure Tanks
. Gas Boiler Expansion Tanks
. Manifolds
. Brass Ball Valves & Fittings
. Mixing Valves, Thermostatic Valves and Diverting Valves
. Air Vent Valves & Safty Valves
. Thermostats
. Manometers
. PTFE Tapes
. Voltage Stabilizers
. Plate Heat Exchangers
. Water Pre-Filters and Water Filters
. Aluminum Plastic Pipes
. Aluminum Radiators
WEBSITES
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