oil level sight glass Compressor Oil level indicator/oil level sight glass for refrigeration/refrigeration sight glass
USD $1 - $10 /Piece
Min.Order:1000 Pieces
General Characteristics
sight glasses is for the pipe line of freezer or air conditioner
system in order to show moisture of refrigerant and flow status of refrigerant
and lubricating oil.It indicates the oil level of compressor crooked-shaft box,
so that we can look and control the system.
Refrigerant | R22 | R134a | R407c | R404A/R507 | ||||||||
Liquid temperature | 24℃ | 38℃ | 52℃ | 24℃ | 38℃ | 52℃ | 24℃ | 38℃ | 52℃ | 24℃ | 38℃ | 52℃ |
Blue(dry) | <30 | <45 | <60 | <30 | <45 | <60 | <30 | <40 | <75 | <20 | <25 | <35 |
Light lue(warning) | 30~120 | 45~180 | 60~240 | 30~100 | 45~160 | 60~220 | 30~140 | 40~180 | 75~250 | 20~70 | 25~85 | 35~125 |
Pink(moisture) | >120 | >180 | >240 | >100 | >160 | >220 | >140 | >180 | >250 | >70 | >85 | >125 |