Cheap price 1/4" ODF Brass Sight Glasses
Cheap price 1/4" ODF Brass Sight Glasses
Introductions:
1.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.
2.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.
3.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.
4.The modified PTFE sealing is used in both Model SGN sight glass and Model SGR sight glass, which is applicable to various refrigerants and oils with perfect sealing performance.
5.The structure of both Model SGN sight glass and Model SGR sight glass is an explosionproof press fit and the viewing glass is clear and safety.
6. Model SGS sight glass is an independent body structure with conventional sintered glass and O-ring seal.
Features:
Model SGN and Model SGS
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.
Model SGR
1. Be applicable to HCFC/HFC refrigerants.
2. Indicate the liquid level in the liquid drum.
3. Indicate the oil level in the compressor crankcase.
4. NPT threaded connection
Technical Paramengers:
| Applicable Refrigerant | HCFC and HFC | Max. Operating Pressure | 3.5MPa |
| Applicable Medium Temperature | -40°C~+80°C | Max. Allowable Pressure | 4.5MPa |
| Yearly Leakage of Refrigerant | ≤2g R22/a |
Correlation between Water Cut and Color:
| Water Cut (ppm) | ||||||
| 25°C | 43°C | |||||
| GReen | Medium color | Yellow | GReen | Medium color | Yellow | |
| R22/R502 | <30 | 30~120 | >120 | <50 | 50~200 | >200 |
| HFC-134a | <30 | 30~100 | >100 | <45 | 45~170 | >170 |
| R404a | <20 | 20~70 | >70 | <25 | 25~100 | >100 |
| R407a | <30 | 30~140 | >140 | <60 | 60~225 | >225 |
| R507 | <15 | 15~60 | >60 | <30 | 30~100 | >110 |
Specification:
| Model of Welded Connection | Size | Model of Threaded Connection | Size | ||
| SGN-1/4ODF | SGN-1/4ODF | 1/4(Ø6) | SGN-1/4SAE | SGN-1/4SAE | 1/4(Ø6) |
| SGN-3/8ODF | SGN-3/8ODF | 3/8(Ø10) | SGN-3/8SAE | SGN-3/8SAE | 3/8(Ø10) |
| SGN-1/2ODF | SGN-1/2ODF | 1/2(Ø12) | SGN-1/2SAE | SGN-1/2SAE | 1/2(Ø12) |
| SGN-5/8ODF | SGN-5/8ODF | 5/8(Ø16) | SGN-5/8SAE | SGN-5/8SAE | 5/8(Ø16) |
| SGN-3/4ODF | SGN-3/4ODF | 3/4(Ø19) | SGN-3/4SAE | SGN-3/4SAE | 3/4(Ø19) |
| SGN-7/8ODF | SGN-7/8ODF | 7/8(Ø22) | SGR-3/4NPT | 3/4NPT | |
| -- | -- | -- | SGR-G3/4 | G3/4 | |
| Model | A | B | C | D | E | F | L | S | Tread M | Weight | ||
| SGN | SGS | |||||||||||
| SGN/SGS-1/4 | ODF | 9.5 | 14.5 | 28 | 6.5 | 7 | 27 | 102 | 14 | -- | 105 | 125 |
| SAE | -- | -- | 14 | 6 | 7/16-20UNF | 145 | 145 | |||||
| SGN/SGS-3/8 | ODF | 10.1 | 8 | 36 | 119 | -- | 110 | 155 | ||||
| SAE | 12.5 | 16.5 | -- | -- | 17 | 70 | 19 | 5/8-18UNF | 215 | 195 | ||
| SGN/SGS-1/2 | ODF | 12.8 | 10 | 46 | 146 | 172 | 150 | |||||
| SAE | 13 | 18 | -- | -- | 19 | 78 | 22 | 3/4-16UNF | 240 | 210 | ||
| SGN/SGS-5/8 | ODF | 16.1 | 14 | 46 | 152 | 190 | 220 | |||||
| SAE | 15 | 20 | 31.5 | -- | -- | 20 | 78 | 24 | 7/8-14UNF | 350 | 300 | |
| SGN/SGS-3/4 | ODF | 19.1 | 16 | 51 | 167 | 270 | 230 | |||||
| SAE | 18 | 23 | -- | -- | 23 | 94 | 29 | 1-1/16-14UNF | 545 | 440 | ||
| SGN/SGS-7/8 | ODF | 16.5 | 21.5 | 22.3 | 17 | 54 | 173 | 27 | 315 | 290 | ||
| SGR-3/4NPT | NPT | 10.5 | 13 | -- | -- | -- | -- | 32 | 3/4NPT | 70 | ||
| SGR-G3/4 | G | G3/4 | 70 | |||||||||
Guangzhou Zhigao Refrigeration Equipment Co.,Ltd . was established in 1995 , in Guangzhou ,China. We are anenterprise that specializes in manufacture and trading.We have retail shops and offices in Guangzhou,and we always to provide the best service possible to our customers.Zhigao is mainly engaged in the production and sale of Compressor,Motor,Component,and Refrigerant and A/C spare parts.During past 14 years,Zhigao has accumulated agreat experience in business and has developed into one of the most prominent and the largest suppliers and producers of Compressor,Motor,Component,and Refrigerant and A/C spare parts systems in mainland,China.
With good product information resources in China's market and the reliable sales network in domestic market,we can meet various requirements of customers.At the same time,with our brand office in Guangzhou (Which handlesexport business),we are able to provide efficient order and delivery services.
At Zhigao,all employees follow our policy of putting customers at the first place. We always aim to full fill the requests of our customers. We look forward to working with you and creating a brighter future ahead of us together.
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