Penerangan
TECHNICAL DATASHEET
DN100 PN16 Rising Stem Metal-Seated Gate Valve (British Standard)
- General Specifications
|
Item
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Spesifikasi
|
|
Jenis Injap
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Rising Stem Gate Valve (OS&Y), Metal-Seated
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|
Saiz Nominal
|
DN100 (4″)
|
|
Penilaian Tekanan
|
PN16
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|
End Connection
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Flanged Ends
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|
Flange Standard
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BS EN 1092-2 (PN16, Ductile Iron, Flat Face / Raised Face)
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|
Face-to-Face Dimension
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BS EN 558 Series 1 (or BS 5163)
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|
Design & Manufacture Standard
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BS 5163 / BS EN 1171
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|
Test & Inspection Standard
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BS EN 12266-1
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- Design Parameters
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Item
|
Unit/Standard
|
Parameter
|
|
Max. Allowable Pressure
|
bar
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16 bar (at ambient temperature)
|
|
Service Media
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–
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Water, non-corrosive liquids, gases
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|
Operating Temperature
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°C
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-10°C to 120°C (depending on trim materials)
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|
Operasi
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–
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Handwheel / Gearbox (Optional)
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- Material of Construction (M.O.C.)
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Part Name
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Material Required
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Standard / Grade (Ref.)
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1. Body
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Ductile Iron (DI)
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BS EN 1563 (EN-GJS-400-15 or EN-GJS-450-10)
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|
2. Bonnet
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Ductile Iron (DI)
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BS EN 1563
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3. Wedge (Gate)
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Ductile Iron (DI) with Bronze seat face
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BS EN 1563, seat overlay/inlay Bronze
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|
4. Seat Face
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Bronze
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Overlay or inlay, e.g., BS EN 1982 (CuSn5Zn5Pb5)
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5. Stem
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Stainless Steel
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13% Cr (AISI 410) or 18-8 (AISI 304)
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6. Stem Nut
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Bronze / Aluminum Bronze
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High-strength wear-resistant alloy
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|
7. Packing
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Flexible Graphite / PTFE
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–
|
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8. Gasket
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Non-asbestos fiber / Graphite
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–
|
|
9. Bolts/Nuts
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Carbon Steel
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Zinc plated or black finished
|
|
10. Handwheel
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Ductile Iron / Malleable Iron
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–
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- Main Dimensions (Reference)
Note: Dimensions for reference only. Final dimensions to be verified per manufacturer’s drawing. (Unit: mm)
|
Penerangan
|
Dimension
|
Teguran
|
|
Face-to-Face (L)
|
250 mm
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Per BS EN 558 Series 1 (DN100 PN16)
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|
Flange Diameter (D)
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220 mm
|
BS EN 1092-2 PN16
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|
Bolt Circle Diameter (C)
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180 mm
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BS EN 1092-2 PN16
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Bolt Holes (n-ød)
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8-ø19 mm
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8 holes
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|
Flange Facing Height (f)
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2 mm
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Raised face height
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|
Handwheel Diameter (W)
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Approx. 250 mm
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Varies by manufacturer
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|
Top-to-Open Height (H)
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Approx. 550 mm
|
From stem top to handwheel (Ref.)
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- Inspection & Testing (BS EN 12266-1)
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Test Description
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Medium
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Pressure (bar)
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Requirement
|
|
Shell (Hydrostatic)
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Water
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24 bar (1.5 x PN)
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No visible leakage
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|
Seat (High Pressure)
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Water
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17.6 bar (1.1 x PN)
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Leakage rate ≤ specified rating
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|
Low Pressure Pneumatic
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Air
|
0.6 bar
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Optional, leakage rate ≤ specified rating
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- Options & Notes
- Stem Upgrade: Stainless Steel AISI 316
- Wedge Material: Full Stainless Steel (CF8/CF8M) or Nylon Coated Ductile Iron
- Operasi: Gear Operator / Position Indicator
- Flange Facing: Flat Face (FF) or Raised Face (RF) to match counter flange
- Salutan: Epoxy Coated (Blue RAL 5005 or Black), min. thickness 250μm
Remarks:
- Seat Finish: Bronze seat faces are achieved by overlaying (welding) or inserting bronze rings on body and wedge, ensuring corrosion and wear resistance.
- Reka bentuk batang: Rising stem design isolates stem from media, allowing easy in-line maintenance and visual indication of valve position.
- Applicable Standards: This datasheet is based on current British Standards. Please confirm specific standard revisions and project requirements before procurement.
JAMINAN:
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