Gold Member Since 2009
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Ningbo Sanheng Refrigeration Control Co., Ltd.

Refrigerant Indicator, Air Conditioning Sight Glass manufacturer / supplier in China, offering Refrigerant Liquid Sight Glass (SG2), Shaded Pole Motor for Home Appliances with CE Certificate (YJF5), Expansion Valve/Block Valve (SH203-1) for Air-Conditioning and so on.

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Refrigerant Liquid Sight Glass (SG2)

FOB Price: US $4.3 / Piece
Min. Order: 100 Pieces
Min. Order FOB Price
100 Pieces US $4.3/ Piece
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Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: SG-2
  • Certification: CSA, RoHS, UR, ISO, UL, CE, CCC
  • Name: Refrigerant Liquid Sight Glass
  • Applicable Refrigerant: Hcfc and Hfc
  • Max.Operationg Pressure: 3.5MPa
  • Cooling Method: Direct Cooling
  • Condition: New
  • Connection (in ): 1/4" SAE
  • Applicable Medium Temperature: - 40°c ~ + 80°c
  • Max.Allowable Pressure: 4.5MPa
Product Description
Refrigerant Liquid Sight Glass

SG series sight glass is used for showing the refrigerant condition in the liquid line of refrigeration unit,or the lubricating oil condition in the return line of oil separator.
1) Be applicable to HCFC / HFC refrigerants
2) Indicate high water cut in system if any
3) Indicate no overcooling in refrigerant liquid
4) Indicate insufficient charging of refrigerant if any
5) Both welded and threaded connections are available
Technical parameter
1) Applicable Refrigerant : HCFC and HFC
2) Applicable Medium Temperature : - 40°C ~ + 80°C
3) Max.Operationg Pressure : 3.5MPa
4) Max.Allowable Pressure : 4.5MPa
5) Yearly Leakage of Refrigerant : ≤2g R22/a
6) Correlation between Water Cut and Color
Model Connection (in )
SG-21/4" SAE
SG-33/8" SAE
SG-41/2" SAE
SG-55/8" SAE
SG-63/4" SAE

ModelConnection (in )
SG-2S1/4" ODF
SG-3S3/8" ODF
SG-4S1/2" ODF
SG-5S5/8" ODF
SG-6S3/4" ODF
ModelConnection (in)Connection (in)
SG-2SF1/4" SAE1/4" ODF
SG-3SF3/8" SAE3/8" ODF
SG-4SF1/2" SAE1/2" ODF
SG-5SF5/8" SAE5/8" ODF
SG-6SF3/4" SAE3/4" ODF

ModelConnection (in)
SGI/SGN -33/8" SAE
SGI/SGN -41/2" SAE
SGI/SGN -55/8" SAE
SGI/SGN -63/4" SAE

ModelConnection (in)

ModelConnection (in)

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