Penerangan
API 602 Forged Steel Globe Valve Technical Data Sheet
F11 Material 1/2″ 800LB Butt Weld Ends
- General Information
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Item
|
Spesifikasi
|
|
Jenis Injap
|
Forged Steel Globe Valve
|
|
Design Standard
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API 602 / ASME B16.34 / BS 5352
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|
Saiz Nominal
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1/2 inch (DN15)
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|
Pressure Class
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Class 800 LB (PN130)
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|
Structure Type
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OS&Y (Outside Screw and Yoke), Bolted Bonnet
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|
Connection Type
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Butt Weld Ends (BW) per ASME B16.25
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|
Operasi
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Handwheel
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Bahan Badan
|
ASTM A182 F11 Class 2 (Forged Chromium-Molybdenum Alloy Steel)
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- Applicable Standards
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Item
|
Standard Code
|
|
Design & Manufacturing
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API 602, ASME B16.34, BS 5352
|
|
Face-to-Face / End-to-End
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Manufacturer Standard / ASME B16.10
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|
Butt Weld Ends
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ASME B16.25
|
|
Test & Inspection
|
API 598
|
|
Pressure-Temperature Rating
|
ASME B16.34 (Material Group 1.5)
|
|
Valve Marking
|
MSS SP-25
|
- Main Design Features
- Binaan Badan: One-piece die forged body, dense structure, high strength, eliminates casting defects, suitable for high temperature and high pressure services
- Bonnet Connection: Bolted bonnet design with 304/flexible graphite spiral wound gasket sealing
- Disc Design: Renewable disc type, hardfaced seating surface for durability
- Stem Design: Backseat feature allows packing replacement under pressure when valve is fully open
- Operating Characteristics: Disc moves linearly along seat centerline, short stroke, reliable shut-off
- Flow Direction: Flow below seat design, reducing operating torque and protecting packing
- Packing: Flexible graphite packing, low emission design
- tempat duduk: Renewable seat rings or integral hardfacing
- Main Component Materials (F11 Material)
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Item
|
Part Name
|
bahan
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Standard/Remark
|
|
1
|
Badan
|
ASTM A182 F11 Class 2
|
Forged Cr-Mo Alloy Steel
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|
2
|
Bonnet
|
ASTM A182 F11 Class 2
|
Forged Cr-Mo Alloy Steel
|
|
3
|
Cakera
|
F11 + STL / F304
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Hardfaced with Stellite or Stainless Steel
|
|
4
|
Seat Ring
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F11 + STL / F304
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Integral hardfacing or renewable type
|
|
5
|
Batang
|
ASTM A182 F6a (13Cr) / F304
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Stainless Steel
|
|
6
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Gasket
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304 + Flexible Graphite
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Spiral Wound
|
|
7
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Packing
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Flexible Graphite
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Low emission design
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|
8
|
Gland Bushing
|
ASTM A276 410 / F304
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Stainless Steel
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|
9
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Gland Flange
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ASTM A182 F11
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Cr-Mo Steel
|
|
10
|
Bonnet Bolt
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ASTM A193 Gr.B16
|
High Temperature Alloy Steel
|
|
11
|
Bonnet Nut
|
ASTM A194 Gr.4
|
Alloy Steel
|
|
12
|
Eye Bolt
|
ASTM A193 Gr.B16
|
High Temperature Alloy Steel
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|
13
|
Handwheel
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ASTM A197
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Malleable Cast Iron
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- Technical Parameters & Dimensions
5.1 Pressure-Temperature Ratings
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Item
|
Parameter
|
|
Nominal Pressure
|
Class 800 LB (PN130)
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Shell Test Pressure
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20.0 MPa (Hydrostatic) [API 598]
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High-Pressure Seat Test Pressure
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14.8 MPa (Hydrostatic) [API 598]
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|
Low-Pressure Pneumatic Test Pressure
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0.5 – 0.7 MPa (Air) [API 598]
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|
Julat Suhu
|
-29°C ~ 540°C (per ASME B16.34 Group 1.5)
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|
Applicable Media
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Steam, high temperature oil, etc.
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5.2 Dimensions (1/2″ Class 800 Butt Weld Ends)
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Dimension
|
Value
|
Remark
|
|
End-to-End Length (L)
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79 mm
|
Butt Weld Ends, typical API 602 value
|
|
Height (H-OPEN)
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Approx. 157 mm
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Fully open position, reference
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|
Handwheel Diameter (W)
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100 mm
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Reference
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|
Butt Weld OD
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21.3 mm
|
Matching 1/2″ Sch40/80 pipe
|
|
Butt Weld Wall Thickness (t)
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Per ASME B16.25
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Bevel preparation per standard
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|
Weight
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Approx. 1.6 kg
|
Bolted bonnet type, reference
|
5.3 End Connection Details
- Butt Weld Ends (BW): Bevel preparation and dimensions per ASME B16.25, suitable for welding to pipe
- Test & Inspection (API 598)
|
Test Item
|
Test Pressure
|
Medium
|
Acceptance Criteria
|
|
Shell Test
|
20.0 MPa
|
Water
|
No visible leakage
|
|
High-Pressure Seat Test
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14.8 MPa
|
Water
|
No visible leakage
|
|
Low-Pressure Seat Test
|
0.5 – 0.7 MPa
|
Air
|
No bubbles leakage
|
|
Test Duration
|
Per API 598
|
—
|
Hold time conforms to standard
|
- Marking & Supply
- Valve Marking: Per MSS SP-25, nameplate to include nominal size, pressure class, material, heat number, design standard, etc.
- Flow Direction: Flow direction arrow marking on body (flow below seat)
- Cleaning & Protection: Valves internally and externally cleaned, ends covered with protectors
- Documentation: Material certificates, pressure test reports, declaration of conformity provided with shipment
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