제조공정
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삼미라인블라인드는 설계를 검증하기위해 광범위한 물리적 테스트를 수행합니다.
설계는 소프트웨어 / 하드웨어적으로 수행되며 요소 해석으로 입증됩니다.
ASTM Standard
- ASTM F1020 - 82 : Standard specification for Blind valve for Marine Application
ASME Standard
- ASME Sec.II : Materials
- ASME Sec.VIII Div. I : Rule for Construction of Pressure Vessels
- ASME Sec.IX : Qualification Standard for Wedling and Brazing Procedures
- ASME B15.5 : Pipe Flanges and Flanged Fittings
- ASME B16.34 : Standard for valves - Flanges, Threaded and Welding end
- ASME B31.1 : Power Piping
- ASME B31.3 : Process Piping
API Standard
- API Spec. Q1 : Specification for Quality program for the Petroleum and Natural Gas Industry API Standard
- API Spec. 5L : Specification for Line Pipe
- API Spec. 605 : Larger - Diameter Carbon Steel Flange
- API 598 : Valve Inspection and Test
- API 607 : Fire Test for Soft - Seated Quater Turn Valves.
- API 590 : Steel Line Blanks
MSS Standard
- SP - 6 : Finish for contact faces of pipe flanges and connecting end flanges of valves and fittings
- SP - 25 : Marking system for valves. fitting, flanges and unions.
- SP - 55 : Quality standard for steel castings for valves. flanges and fitting and other piping components (visual method)
Pressure Test
(ASTM F1020, API 598)
| Class | Seat & Shell |
|---|---|
| 150 | 23kg/㎠ (325psi) |
| 300 | 58kg/㎠ (825psi) |
| 600 | 116kg/㎠ (1,650psi) |
| 900 | 172kg/㎠ (2,450psi) |
| 1500 | 288kg/㎠ (4,100psi) |
F.E Analysis
Sliding type, NPS 20, ASME 2500Lbs, Inconel 625 valve, part coupled thermal - structural F.E Analysis ( ANSYS 17.2 )
Coupled Analysis
Atmosphere Temperature (705℃)
Stress Distribution
Overall stress distribution is the same as each other ( inside pressure 49bar )
