Aluminium Automatic Hydraulic Window and Door Opener Agricultural Greenhouse Used Sale With Wider Opening Distance

• Using special amorphous liquid with high quality materials , provide an unlimited resource of the product   
• thermal actuators with operating temperature: 22℃ ..... +24℃ , the optimum for most plants and greenhouses

• Additional equipment closers gas (gas lift) allows you to "automate" in any greenhouse, which having a frame, window, door.

• The thermo-length 440 mm, stroke 100 mm, normally load 10 kg. 

• Thermo-designed for automatic opening (closing) doors, windows and frames when the temperature inside the greenhouse space.

• Thermal actuator designed to operate as a ceiling lifting frame, ideal for ventilation and swing the window and the front door.

The minimum length of a thermo (between the legs):  330 mm.

The maximum length of a thermo (between the legs):  440 mm.

The temperature begin to open (fully close): +22℃

The temperature begin to close (fully open): +24℃

Operating temperature:  -40 ~ +60℃