Titanium Blind Flange (Titanium Flange Cover / Blind Plate) is a solid disk without bore, designed for pipe end sealing, system isolation, pressure testing and equipment blanking. Manufactured from pure titanium Gr1/Gr2 and titanium alloy Gr5 (Ti-6Al-4V), featuring excellent corrosion resistance, high strength-to-weight ratio, light weight and long service life.Titanium blind flanges offer exceptional stability, wear and oxidation resistance, ensuring reliable operation under extreme pressure and temperature. Precision-engineered for seamless connections and long life, ideal for chemical, marine, petrochemical and aerospace applications.
| Standard | ASME,JIS,DIN,GB,GOST |
| Material | TA1,TA2,TA9,TA10,GR1,GR2,GR7,GR12,GR16,N5,N6,N7 etc. |
| Size | DN15 (1/2") - DN600 (24") |
| OEM | Available |
| Pressure | PN2.5,PN6,PN10,PN16,PN20,PN25,PN40,PN50,PN63,PN100,PN110,PN150,PN160,PN260,PN420; |
| class150,class300,class600.class900,class1500,class2500 | |
| Technics | Forged, heat treated, CNC machined |
| Flange surface | RF,FF,RTJ |
| Type | Blind flange |
| Packaging | Export Standard Wooden case, or can be customized |
| Application | Petroleum, chemical, shipbuilding, pharmaceutical, metallurgy, machinery, stamping elbow, food and other |
| Delivery | 7-15 days for standard stock |
| Nominal Size DN (mm) | Nominal Pipe Size | Flange Outer Diameter D (mm) | Bolt Circle Diameter K (mm) | Bolt Hole Diameter L (mm) | Bolt Size Th | Number of Bolts n (pcs) | Flange Thickness C (mm) |
| 15 | 1/2" | 95 | 66.7 | 16 | M14 | 4 | 12.7 |
| 20 | 3/4" | 115 | 82.6 | 18 | M16 | 4 | 14.3 |
| 25 | 1" | 125 | 88.9 | 18 | M16 | 4 | 15.9 |
| 32 | 1-1/4" | 135 | 98.4 | 18 | M16 | 4 | 17.5 |
| 40 | 1-1/2" | 155 | 114.3 | 22 | M20 | 4 | 19.1 |
| 50 | 2" | 165 | 127 | 18 | M16 | 8 | 20.7 |
| 65 | 2-1/2" | 190 | 149.2 | 22 | M20 | 8 | 23.9 |
| 80 | 3" | 210 | 168.3 | 22 | M20 | 8 | 27 |
| 100 | 4" | 255 | 200 | 22 | M20 | 8 | 30.2 |
| 125 | 5" | 280 | 235 | 22 | M20 | 8 | 33.4 |
| 150 | 6" | 320 | 269.9 | 22 | M20 | 12 | 35 |
| 200 | 8" | 380 | 330.2 | 26 | M24 | 12 | 39.7 |
| 250 | 10" | 445 | 387.4 | 30 | M27 | 16 | 46.1 |
| 300 | 12" | 520 | 450.8 | 33 | M30 | 16 | 49.3 |
| 350 | 14" | 585 | 514.4 | 33 | M30 | 20 | 52.4 |
| 400 | 16" | 650 | 571.5 | 36 | M33 | 20 | 55.6 |
| 450 | 18" | 710 | 628.6 | 36 | M33 | 24 | 58.8 |
| 500 | 20" | 775 | 685.8 | 36 | M33 | 24 | 62 |
| 600 | 24" | 915 | 812.8 | 42 | M39×3 | 24 | 68.3 |
Titanium flanges, with their high strength-to-weight ratio, high-temperature resistance, corrosion resistance and
excellent fatigue performance,have become core components in six high-end sectors: Aerospace,Petrochemicals,
Marine Engineering, New Energy, Electronics and Environmental Protection.
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