Lined Blind Flange
VescoaT supplies and manufacturer of PTFE / FEP / PFA Lined Blind Flange of various sizes as per international standard of ASTM F1545.
| Dimension Detail: 150# Class | All Dimensions are in mm | |||||
| NB | d4 | K | D | H | No. of Holes & Hole Dia | |
| MM | INCH | |||||
| 15 | 1/2″ | 35.1 | 60.5 | 88.9 | 11.1 | 4 x 15.9 |
| 20 | 3/4″ | 42.9 | 69.9 | 94.4 | 12.5 | 4 x 15.9 |
| 25 | 1″ | 50.8 | 79.2 | 108 | 14.5 | 4 x 15.9 |
| 40 | 1.5″ | 73.2 | 98.6 | 127 | 17.5 | 4 x 15.9 |
| 50 | 2″ | 91.9 | 120.7 | 152.4 | 19.5 | 4 x 19.0 |
| 65 | 2.5″ | 104.6 | 139.7 | 177.8 | 22.2 | 4 x 19.0 |
| 80 | 3″ | 127.0 | 152.4 | 190.5 | 24.0 | 4 x 19.0 |
| 100 | 4″ | 157.2 | 190.5 | 228.6 | 24.0 | 8 x 19.0 |
| 150 | 6″ | 215.9 | 241.3 | 279.5 | 25.5 | 8 x 22.2 |
| 200 | 8″ | 269.7 | 298.5 | 342.9 | 29.0 | 8 x 22.2 |
| 250 | 10″ | 323.9 | 362.0 | 406.4 | 30.5 | 12 x 25.4 |
| 300 | 12″ | 381.0 | 431.8 | 482.6 | 32.0 | 12 x 25.4 |
| Size | 15NB TO 300NB ( ¾” TO 12” ) |
| Length | As per Standard of B16.5 & ANSI B 16.42 |
| Liner | PFA – Per Fluoro Alkoxy, ASTM D3307
FEP – Fluorinated Ethylene Propylene, ASTM D2116 HDPE – As per Standard |
| Body | As per ASTM A 234 Gr. WPB / DI A395 / SS304 / SS316 ( Seamless) |
| Steel Housing | Carbon steel or Stainless Steel |
| Flanges | ASTM A 105 (N) / IS 2062 / ASTM A351 GR CF8 & CF8M |
| Drilling / Pressure | ASA 150# / 300# / DIN / Table – F |
| Dimensional STD | Flanges : ASME B 16.5
Lining Standard : ASTM F 1545 |
| Temperature | -29℃~200℃ |
| Vacuum | Full vacuum rated |
| Testing/Inspection | Mechanical Properties | ||||
| PTFE | PFA | FEP | |||
| Hydro Test | At 29 Bar, after lining | Tensile Strength, PSI (min) | 3500 | 3800 | 3000 |
| Spark Test | At 25 KV | Elongation, % (min) | 300 | 300 | 250 |
Notes :
- All Fittings work will be supplied with suitable wooden end covers to protect the flare faces.
- Material test certificates will be provided for all raw materials
- The plastic liner flare will replace the raised face portion of the flange.
