The PTFE-lined pipes manufactured in Songshang are mainly processed by 2 key methods: paste extrusion and isomolding.
The PTFE-lined pipes can be provided with a variety of flange connection types to meet the different installation needs of customers: generally fixed flanges at both ends or loose-loose/fix-loose on request.
Specific dimensions of all parts and special solutions based on your drawings or requirements can be provided.
Product specification
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, can be customized
Flange Options:
·HG, GB, JB, JIS, BS, DIN, ANSI, ASTM
| Nominal Diameter | Seamless pipes for straight pipe（A) | PTFE Tube | Flanging Face Diameter（C) | Inside Diameter（D2) | PTFE Thickness (Neg. Pressure)（T1) | PTFE Thickness (Isobaric) (T1) | Flanging Face Thickness（T2） | Diameter of bolt circle(B) | Length（Molding） MAX（L) | Length (threader) MAX (L) | |
| DN（mm) | NPS(inch) | ||||||||||
| DN25 | 1 | Φ32*3 | Φ26*3 | 60 | 24±0.5 | 4~4.5 | 3. 5~4.5 | 2 | 85 | 2000 | 4000 |
| DN32 | 1 ¼ | Φ38*3 | Φ32*3 | 70 | 32±0.5 | 4~4.5 | 3. 5~4.5 | 2 | 100 | 2000 | 4000 |
| DN40 | 1 ½ | Φ45*3 | Φ39*3 | 80 | 34±0.5 | 4~5 | 4~5 | 2.5 | 110 | 2000 | 4000 |
| DN50 | 2 | Φ57*3 | Φ51*3 | 95 | 45±0.5 | 4~5 | 4~5 | 2.5 | 125 | 2000 | 4000 |
| DN65 | 2 ½ | Φ76*4 | Φ68*3 | 115 | 63±0.5 | 5~7 | 5~6 | 2.5 | 145 | 2000 | 4000 |
| DN80 | 3 | Φ89*4 | Φ81*3 | 130 | 75±0.5 | 6~8 | 5~7 | 3 | 160 | 2000 | 4000 |
| DN100 | 4 | Φ108*4 | Φ100*3 | 150 | 94±0.5 | 6~8 | 6~8 | 3 | 180 | 2000 | 4000 |
| DN125 | 5 | Φ133*4 | Φ125*3 | 180 | 117±0.5 | 7~9 | 7~9 | 3.5 | 210 | 2000 | 4000 |
| DN150 | 6 | Φ159*4. 5 | Φ150*3 | 205 | 141±0.5 | 8~10 | 7~9 | 4 | 240 | 2000 | 4000 |
| DN200 | 8 | Φ219*6 | Φ206*4 | 165 | 198±0.5 | 9~11 | 8~10 | 4 | 295 | 2000 | 4000 |
| DN250 | 10 | Φ273*7 | Φ255*5 | 320 | 247±0.5 | 10~12 | 8~10 | 5 | 350 | 2000 | 4000 |
| DN300 | 12 | Φ325*8 | Φ306*5 | 365 | 299±0.5 | 10~12 | 9~11 | 5 | 400 | 2000 | 4000 |
