Refrigeration Air Conditioner Electric Motorized Ball Valve Fit for Actuator

• Media: Oil
• Material: Brass
• Connection Form: Welding
• Driving Mode: Electric
• Channel: Straight Through Type
• Structure: Fixed Ball Valve
• Model NO.: MB
• Function: Bypass-Valve
• Temperature: Low Temperature
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Box
• Specification: 1/4-3 1/8
• Trademark: N/A
• Origin: Zhejiang
• Production Capacity: 30000

Product Description

Product Description

      Refrigeration Air Conditioner Electric Motorized Ball Valve Fit for Actuator

• Design Pressure (DP) / Maximum abnormal pressure (MAP): Up to 775 psig, 53 bar
• Power Supply: 24 VAC
• Actuator Ambient Temperature: -22°F to 130°F, -30°C to 54°C
• Valve Refrigerant Temperature: -40°F to 300°F, -40°C to 149°C
• Full shutoff capability
• Gradual Open/close stops line hammer
• Remote operating capability
• Removable actuator for quick change replacement
• Manual override and valve positioning
• Electronic overload protection

 

A sight glass is a transparent glass tube or window installed in a tank or boiler system that allows an observer to view what is happening inside the system.

The refrigerant sight glass is normally located anywhere liquid flow exists and anywhere it can serve a purpose. When it is installed just prior to the expansion device, the technician can be assured that a solid column of liquid is reaching the device. When it is installed at the condensing unit, it can help with troubleshooting.

Sight glasses come in two basic styles: plain and with a moisture indicator. The plain sight glass is used to observe the refrigerant as it moves along the line. The sight glass with a moisture indicator can tell what the moisture content is in the system. It has a small element in it that changes color when moisture is present.

What you see in the sight glass can help you diagnose system malfunctions. It is strongly suggested that you do not use the sight glass as the only means of diagnosis. Also, do not use the sight glass to diagnose R134a systems.

If the sight glass is clear, one of three conditions can exist: the system is completely empty, the system is full, or the system is overcharged. If there is foam, the charge is low, but if there are only a couple of bubbles, it is probably Ok. few bubbles when the compressor cycles on is normal. Oil streaks in the sight glass usually indicate a low charge and that the compressor is pumping oil from its sump. If the sight glass is cloudy, the desiccant bag has probably burst.

If an R134a system has a sight glass, do not use it or try to perform diagnosis, as it is normal to observe bubbles in this type of system.

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