| Item | Details |
|---|---|
| Product Name | PTFE (Polytetrafluoroethylene) Lined Reducer |
| Executive Standards | HG/T 21562, ASME B16.5, GB/T 12224 |
| Nominal Diameter | DN15 – DN300 (1/2" – 12") |
| Pressure Rating | PN10, PN16, PN25, PN40 / Class 150, Class 300 |
| Structure Type | Concentric Reducer, Eccentric Reducer |
| Shell Material | Carbon Steel (Q235B, 20#), Stainless Steel (304, 316L) |
| Lining Material | Polytetrafluoroethylene (PTFE) |
| Lining Thickness | 2.0–6.0 mm (Standard: 3.0–4.0 mm) |
| Connection Type | Flanged Connection (RF Raised Face, FM Female Face) |
| Operating Temperature | -20℃ to +180℃ |
| Applicable Medium | Strong acids, strong alkalis, salts, organic solvents and other highly corrosive media |
| Factory Inspection | Hydrostatic pressure test, Spark pinhole leakage test (5kV) |
| Main Applications | Chemical, petrochemical, pharmaceutical, metallurgy, environmental protection, fluorine chemical, sewage treatment industries |
| Nominal Diameter (Large×Small) DN | Outer Diameter (mm) | Length (mm) | Flange Outer Diameter (mm) | Bolt Circle Diameter (mm) | Lining Thickness (mm) |
|---|---|---|---|---|---|
| 25×15 | 33.7×21.3 | 100 | 115/90 | 80/60 | 3.0 |
| 32×25 | 42.4×33.7 | 120 | 140/115 | 100/80 | 3.5 |
| 40×25 | 48.3×33.7 | 130 | 150/115 | 110/80 | 3.5 |
| 40×32 | 48.3×42.4 | 130 | 150/140 | 110/100 | 3.5 |
| 50×32 | 60.3×42.4 | 150 | 165/140 | 125/100 | 4.0 |
| 50×40 | 60.3×48.3 | 150 | 165/150 | 125/110 | 4.0 |
| 65×50 | 76.1×60.3 | 180 | 185/165 | 145/125 | 4.0 |
| 80×50 | 88.9×60.3 | 200 | 200/165 | 160/125 | 4.0 |
| 80×65 | 88.9×76.1 | 200 | 200/185 | 160/145 | 4.0 |
| 100×65 | 114.3×76.1 | 220 | 220/185 | 180/145 | 4.5 |
| 100×80 | 114.3×88.9 | 220 | 220/200 | 180/160 | 4.5 |
| 150×100 | 168.3×114.3 | 280 | 285/220 | 240/180 | 5.0 |
| 200×150 | 219.1×168.3 | 340 | 340/285 | 295/240 | 5.5 |
| 250×200 | 273.0×219.1 | 400 | 405/340 | 355/295 | 6.0 |
| 300×250 | 323.9×273.0 | 450 | 460/405 | 410/355 | 6.0 |
| Advantage Category | Specific Content |
|---|---|
| Corrosion Resistance | PTFE lining can resist corrosion from most acids, alkalis, and organic solvents, with a corrosion resistance coefficient of up to 0.99. |
| Low Friction | The friction coefficient of PTFE is only 0.04, which reduces the resistance of fluid transportation and saves energy. |
| Temperature Resistance | Can work stably in the temperature range of -200℃ to 260℃, suitable for high and low-temperature environments. |
| Non-Stick Property | The surface of PTFE is non-stick, which prevents medium deposition and facilitates cleaning. |
| Long Service Life | The service life is 3-5 times longer than that of ordinary pipe fittings, reducing maintenance costs. |