Model SGN Sight Glass SGN-7/8 ODF HVAC

 ·Both Model SGN sight glass and Model SGS sight glass are used on the liquid piping of the refrigeration and air conditioning unit to indicate the flow condition of the refrigerant, water cut of the refrigerant and lubricant oil flow condition of the oil return piping on the oil separator.

·Model SGN sight glass and Model SGS sight glass are equipped with one moisture indicator, which will change color to indicate the water cut in the refrigerant.

·Model SGR sight glass is used to indicate the level of the refrigerant in the liquid drum and the lubricant oil level in the compressor crankcase.

·The modified PTFE sealing is used in bothModel SGN sight glass and Model SGR sight glass, which is applicable to various refrigerants and oils with perfect sealing performance. The structure of both Model SGN sight glass and Model SGR sight glass is an explosion-proof press fit and the viewing glass is clear and safety.

·Model SGS sight glass is an independent body structure with conventional sintered glass and O-ring seal.

Note: For the fully enclosed compressor, generally the allowable water cut is in a range 30~75ppm, but for other types of compressor, the water cut will be higher slightly. For an effective protection, it is necessary to monitor the indicator carefully and replace the drier immediately if the color is changed into yellow.

· Be applicable to HCFC/HFC refrigerants.

· Indicate high water cut in system if any.

· Indicate no overcooling in refrigerant liquid.

· Indicate insufficient charging of refrigerant if any.

· Both welded and threaded connections are available.

 HONGSEN PACKAGE OR NEUTRAL PACKAGE 

- Zhejiang Hongsen Machinery Co.,Ltd was founded in 1992, which devoted itself in the R&D and manufacture of various valves in refrigerantion and air condition systom.

-  Hongsen Machinery covers a land area fo 50000 squeare meters. There are cover 300 staffs and workers in including a specialty team of ten techicians.      

-  Hongsen Machinery has a close cooperation with the professors and expert in Zhejiang University, Shanghai Jiao Tong univercity and several senior engineers of leading domestic OEMs are invited as the consultants of the company. A number of techinical talents are trained in production, development and quality control and grow up in the company. At present, Hongsen Machinery is capable to manufacture multiple categories of refrigeration and A/Caccessory parts such as solenoid valve, ball valve, sight glass, expansion valve series and shut off valve series. Hongsen Machinery becomes one company integrating R&D, production and marketing into one.

 Hongsen has now passed CQC,CE,UL,ISO9001 certification of international quality management systems and ISO14001 international environmental management systems certification.

Q: How about the quality?

A: Each item will be checked twice before packing to insure 100% qualified. We are on the way of getting better all the time!

Q:Are you manufacturer?

A:Yes,we are professional and direct manufacturer devoted in refrigeration tools and A/C parts for more than 20 years.

Q: How many countries you have exported?

A: We have exported to more than 50 countries, like Greece, Spain, Indonesia, India and so on.

Q: Can i make a trial order?

A:  Yes, trial order is welcomed, we are very confident with our quality.

Q:What payment is it in your company after order?
A:Payment is TT,Another payment can be accepted after confirm.

Q:We are one big company, and want to design our special package for this product, is it ok?
A:Another customized package is welcome.

Q:What shipment is it to our destination?
A:In general, we transfer goods by sea for save cost. If you urgent, we can consider by air.