ZIZI ENGINEERING CO.,LTD
ZIZI ENGINEERING CO., LTD
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China manufacturer and exporter of forged steel flanges that supplies carbon steel spectacle blind 2‘ 150# ASTM A105N ASME B16.48 with black painting to Uruguay
A Spectacle Blind is a steel plate cut into two discs which connected by section of steel similar to number eight. That's why we also call them as figure 8. These two discs are a solid plate and a ring.
| Size | NPS 1/2" - 24", DN15 - DN600 |
| Pressure | Class 150, 300, 600, 900, 1500, 2500. PN2 / 5 / 11 / 15 / 26 / 42. JIS 5K, 10K, 16K, 20K, 30K |
| Standard | ASME B16.5, ASME B16.48 |
| Flange Types | SO, WN, BL, SW, PL, THD, LAPJ Flange, Spectacle Blind, Spade and Spacer |
| Seal Types | Raised Face, Flat Face, Ring Type Joint, Lap Joint Face, Male-Female, Tongue & Groove. |
| Carbon Steel | ASTM A105N, A350 LF2/LF3, A694 F52, F60, F65, F70, A516 Gr 70 |
Weld Neck Flanges, Socket Weld Flanges, Slip-on Flanges, Blind Flanges, Spectacle Blind, Lap Joint Flanges, Orifice Flanges, Screwed ( Threaded) Flanges and Reducing Flanges.
Spectacle plates are always fabricated from plate materials and much expensive. Even though the weight is less than other flange types.
Marking and Package
Feature
Inspection
| C | Mn | P | S | Si | Ni | Cr | Mo |
| 0.1-0.22 | 1-1.7 | 0.03 | 0.03 | 0.6 | 0.3 | 0.3 | 0.08 |
| Tensile Strength | Yield Strength | Elongation |
| 510 - 650 (Mpa) | 335 (Mpa) | 21 (%) |