Shanghai Dragonwan Machinery Facility Ltd.

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1. Room temperature transmitter

Temperature Tansmitter

The room temperature transmitter measures the temperature by the use of a PT1000 sensing element. The transmitter analog output may be be 0-10V or 4-20mA. And the transmitter include a noise filter.the power suply is ...

2. BUTTERFLY CONTROL VALVES ( DN150~DN500 )

The Actuated Butterfly Valves are suitable for heating and cooling applications. They can also be employed for industrial applications, general services and water treatment. The VB series is equipped with standard On/Off or modulating (4~20mA,) ...

3. BUTTERFLY CONTROL VALVES ( DN40~DN125 )

4. ELECTRIC VALVE

The QM/QF series of electric valve actuators are used in heating, ventilation, and air-conditioning (HVAC) applications. The QM series of electric valve actuators are modulating control actuators used with controls that provide an analog output ...

5. Duct temperature transmitter

Temperature Tansmitter

The transmitter measures the temperature by the use of a PT1000 sensing element. The transmitter analog output may be be 0-10V or 4-20mA. And the transmitter include a noise filter.the power suply is large range VDC18V----VD ...