The PTFE-lined sight glass manufactured by Songshang includes sight glass cross and tubular sight glass.
The sight glass is made of Borosilicate Glass, which can be used in conditions of strong corrosive and the working temperature between-50 degrees and 150 degrees.
Product specification
It is used to monitor the flow of water and other media in the pipeline to avoid accidents during production and is one of the key components to ensure production safety and product quality.
Any dimensions of flanges that are welded at each end and pipes are available to be customized on customers’ request.
Materials:
·Carbon steel
·Stainless steel
Lined Materials:
·PTFE F4 (Virgin or anti-static*)
·PFA FA (Virgin or anti-static*)
·ETFE F40
·FEP F46
·*Conductive black PTFE or PFA
Flange Dimensions:
·ASME B16.5 Class 150, bespoke available
Flange Options:
·HG, GB, JB, JIS, BS, DIN, ANSI, ASTM
| Nominal Diameter | Steel pipe dimension（A) | Steel pipe dimension（B） | Flanging Face Diameter（C) | Inside diameter（D2) | Liner Thickness（T1） | Flange Thickness（T2) | Length（H） | Length（L） | |
| DN（mm) | NPS(inch) | ||||||||
| DN25 | 1 | 42*3 | 68*4 | 68 | 28±2 | 4±1 | 7 | 74 | 90 |
| DN32 | 1 ¼ | 48*3 | 68*4 | 78 | 33±2 | 4.5±1 | 7 | 84 | 95 |
| DN40 | 1 ½ | 57*3 | 83*4 | 88 | 41±2 | 5±1 | 7 | 93 | 100 |
| DN50 | 2 | 68*4 | 102*4 | 102 | 49±2 | 5.5±1 | 7 | 108 | 115 |
| DN65 | 2 ½ | 83*4 | 114*4 | 122 | 63±2 | 6±1 | 10 | 123 | 125 |
| DN80 | 3 | 102*4 | 140*5 | 138 | 80±2 | 7±1 | 10 | 142 | 140 |
| DN100 | 4 | 114*4 | 168*5 | 158 | 91±2 | 7.5±1 | 10 | 158 | 165 |
| DN125 | 5 | 140*5 | 219*6.5 | 188 | 113±2 | 8.5±1 | 10 | 184 | 190 |
| DN150 | 6 | 168*5 | 219*6.5 | 212 | 128±4 | 13±1 | 10 | 216 | 205 |
| DN200 | 8 | 219*6.5 | 273*7 | 268 | 176±4 | 15±1 | 10 | 267 | 230 |
| DN250 | 10 | 273*7 | 273*7 | 320 | 229±4 | 15±1 | 12 | 325 | 280 |
| DN300 | 12 | 325*8 | 325*8 | 370 | 279±4 | 15±1 | 12 | 353 | 305 |
| DN350 | 14 | 377*8 | 377*8 | 430 | 331±4 | 15±1 | 12 | 437 | 380 |
