ASME Certified Yankee Dryer King Hardware May 3rd, 2010.
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Transcript of ASME Certified Yankee Dryer King Hardware May 3rd, 2010.
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ASME Certified Yankee DryerKing Hardware
May 3rd, 2010
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King Hardware
King Hardware is a dedicated ASME & PED certified Dryer Cylinder manufacturer for more than 20 years.
With 300 plus employees and 10,000 tons of annual production capabilities
Well known in Europe, Asia & Africa for delivering products with good quality, competitive prices and short delivery time.
Other product lines include Former Cylinders, Calendar Rolls, Press Rolls, Mill Rolls, Felt Rolls and Suction Couch Rolls
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Why ASME ?
The American Society of Mechanical Engineers Boilers and Pressure Vessels Codes except for Transportation Tanks (hereafter as ‘ASME Codes’) have been adopted as boilers and pressure vessels safety rules by almost all states of US and provinces of Canada.
It is mandatory that all boilers and pressure vessels, which are used in North America and in the scope of ASME Codes, shall be designed, fabricated and inspected in accordance with ASME Codes and stamped ASME Code Symbol stamps.
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Why ASME?
It is not a mandatory requirement for the boilers and pressure vessels, which are neither used in North America nor in the scope of ASME Code, to bear ASME Code symbols.
However, above mentioned boilers and pressure vessels may be stamped ASME Code Symbols in the following cases providing that they are designed, fabricated and inspected in conformity with ASME Codes:
that required by the end user; or that required by the local Jurisdiction in the locations where the boilers or pressure vessels are used (e. g. Australia, South America).
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ASME Certified Process
1. Design
2. Fabrication
3. Examination
4. Inspection
5. Testing
6. Stamping
King Hardware
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1. Design
Assure the drawing, design calculation and material selected meet the requirement of ASME VIII-1
Check the service restriction and pressure-temperature limitations according to the ASME VIII-1
ASME Certified Process
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1. Design
Key Specifications:
• Diameter: up to 3,660 mm• Face Length: up to 8,000 mm• Operation Speed: up to 1200 MPM• Operation Pressure: up to 10 BAR
ASME Requirements:• Break Test: 6 x Operation Pressure e.g.. 6x 150 psi= 900 psi (60 BAR)• Hydrostatic Test: e.g.. 25 bar x 2 Hours, w/o Leakage
ASME Certified Process
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1. Design – Key Components Selection
Bolts: • Material: Cr/Mo Alloy• Strength: 10.8 class• Suppliers: Taiwan
Gasket Seals: • Material: Patented• Strength: 28 BAR • Suppliers: Europe
ASME Certified Process
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2. Fabrication- Side Cover
Self-hardening mold: Smooth Surface Accurate Dimensions Easy to Clean
ASME Certified Process
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2. Fabrication- Side Cover
Casting Machinery
Gasket sealing
Drilling
ASME Certified Process
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2. Fabrication- Side Cover
Hand Hole Finishing Journal Grinding
ASME Certified Process
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2. Fabrication – Body
Inner Finishing
CastingDrilling ( Casting Material:
Comply with the ASME VIII-1 UG-7 ).
ASME Certified Process
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2. Fabrication – Body
Inner Machinery Outer Machinery
ASME Certified Process
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2. Fabrication – Body
Surface Grinding Balance Machinery
ASME Certified Process
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2. Fabrication – Body
Balancing
ASME Certified Process
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3. Examination
Examine all materials before fabrication 1. Assure the required thickness 2. Maintain traceability to the material identification
Examine cylinder and cover sections1. Assure properly formed to the specified shapes 2. Within the permissible tolerances
ASME Certified Process
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3. Examination
Examine parts as fabrication progresses, 1. Material marking, 2. Dimensional geometries are maintained
No welding repair were permitted
ASME Certified Process
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4. Inspection
Check Dimensions
ASME Certified Process
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4. Inspection
Surface Inspection
Roughness ﹤ 0.4 Ra
ASME Certified Process
Metallographic
Inspection
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4. Inspection
Dynamic Balancing
ASME Certified Process
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5. Test Some parts of dryer cylinder is difficult to
determine the maximum allowable working pressure or thickness
When a proof test is considered necessary, the Manufacturer has the responsibility of performing the test in the presence of the AI.
The test shall be acceptable to the AI and a test report shall be made available to the AI.
ASME Certified Process
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5. Test – Break Test
ASME Certified Process
Comply with ASME VIII-1
Spec: 6 x Operation Pressure
Example: 6 x 150 psi= 900 psi (60 BAR)
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5. Test – Hydrostatic Test
Comply with ASME VIII-1
← 28 bar x 2 Hours, w/o Leakage
ASME Certified Process
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6. ASME Certificate
ASME Certified Process
Preparing required Data Report and having it certified by the Inspector
Issued by ASME authorized agency
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6. Stamping the Code Symbol
Applying the required U symbol stamping and nameplate to the cylinder
Assure it is applied to proper vessel
ASME Certified Process
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Final Assembly (w/ Bearings)
King Hardware
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Pack and Delivery on Time ( 90 days)﹤
King Hardware
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Happy + Satisfying Customers
King Hardware
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King Hardware is your Best Partner. Thank You !