Xi'an Longjoy Foreign Trade Co.,Ltd
Xi'an Longjoy Foreign Trade Co., Ltd
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Stainless steel spectacle blind is used to isolate or connect the piping system. It is a steel plate divided into two discs. The two discs are connected by flat steel, one of which is a solid disc and the other is a hollow ring, and its inner hole diameter is consistent with the flange.
Material:304/304L/316/316L
Size:DN25/40/50/80/100/200
Standard:ANSI, DIN, GB, ISO, ASME
Usage:For Water,Oil and Gas Industry
Stainless steel ASME B16.5 150 Lb Stainless steel spectacle blind technical data sheet as below:
Chemical properties
| Flange grade | C | Mn | P | S | Si |
| F304L | <0.03 | <2.00 | <0.045 | <0.03 | <1.00 |
| Flange grade | Cr | Cu | Mo | Ni | V |
| F304L | 18.0-22.0 | / | / | 8.0-13.0 | <0.10 |
Mechanical Property
| Flange grade | psi Minimum | ksi Minimum | Percent% | Shrinkage％ |
| F304L | >485 | >170 | >30 | >50 |
Stainless steel spectacle blinds are usually located in the open position to allow fluid to pass through the pipe. When the spectacle blind is in the closed position, the pipeline is closed and the fluid is blocked. There is a drill hole in the connecting web of the spectacle blind plate. Loosen and disassemble some bolts, and the spectacle blind plate can rotate between flanges.
Stainless steel spectacle blinds are widely used in petroleum, chemical industry, nuclear power plant, food manufacturing, construction, shipbuilding, papermaking, medicine and other industries.
