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API 602 Forged Steel Globe Valve Technical Data Sheet
A105N Material 1/2″ 800LB NPT/Welded Ends
- General Information
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Item
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Specificatie
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|
Kleptype
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Forged Steel Globe Valve
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|
Design Standard
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API 602 / ASME B16.34 / BS 5352
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|
Nominale grootte
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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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NPT Threaded (ASME B1.20.1) or Socket Weld (ASME B16.11)
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|
Operatie
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Handwheel
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Lichaamsmateriaal
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ASTM A105N (Forged Carbon Steel, Normalized, suitable for NACE MR0175)
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- Applicable Standards
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Item
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Standard Code
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|
Design & Manufacturing
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API 602, ASME B16.34, BS 5352
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Face-to-Face / End-to-End
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Manufacturer Standard / ASME B16.10
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Socket Weld Ends
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ASME B16.11
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Threaded Ends
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ASME B1.20.1 (NPT)
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|
Test & Inspection
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API 598
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|
Pressure-Temperature Rating
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ASME B16.34
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|
Valve Marking
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MSS SP-25
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- Main Design Features
- Carrosseriebouw: One-piece die forged body, dense structure, high strength, eliminates casting defects
- 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
- Stoel: Renewable seat rings or integral hardfacing
- Main Component Materials (A105N Material)
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Item
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Part Name
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Materiaal
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Standard/Remark
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|
1
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Lichaam
|
ASTM A105N
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Forged Carbon Steel, Normalized
|
|
2
|
Bonnet
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ASTM A105N
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Forged Carbon Steel
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|
3
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Schijf
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ASTM A276 410 / A105N+STL
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13Cr Stainless Steel or Hardfaced
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|
4
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Seat Ring
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ASTM A276 410 / STL Hardfaced
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Hardened Stainless Steel, Renewable or Integral
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|
5
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Stang
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ASTM A182 F6a (13Cr)
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Stainless Steel
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|
6
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Gasket
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304 + Flexible Graphite
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Spiral Wound
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|
7
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Packing
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Flexible Graphite
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Low emission design
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8
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Gland Bushing
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ASTM A276 410
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Stainless Steel
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|
9
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Gland Flange
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ASTM A105
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Carbon Steel
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|
10
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Bonnet Bolt
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ASTM A193 Gr.B7
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Alloy Steel
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|
11
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Bonnet Nut
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ASTM A194 Gr.2H
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Heavy Hex Nut
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|
12
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Eye Bolt
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ASTM A193 Gr.B7
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Alloy Steel
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|
13
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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
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Parameter
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Nominal Pressure
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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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Temperature Range
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-29°C ~ 425°C
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|
Applicable Media
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Water, steam, oil, etc.
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5.2 Dimensions (1/2″ Class 800 NPT/Socket Weld)
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Dimension
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Value
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Remark
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|
End-to-End Length (L)
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79 mm
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For NPT/SW ends, typical API 602 value
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|
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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Socket Weld Bore (B)
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22.2 mm
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Socket weld inner diameter
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Socket Weld Depth (S)
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10 mm
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Minimum socket depth
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Threaded End
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1/2″ NPT
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Per ASME B1.20.1
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|
Weight
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Approx. 1.6 kg
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Bolted bonnet type, reference
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5.3 End Connection Details
- NPT Threaded Ends: Per ASME B1.20.1, 1/2 inch American Standard Taper Pipe Thread
- Socket Weld Ends (SW): Per ASME B16.11, bore dia 22.2mm, socket depth 10mm
- Flow Direction: Flow direction arrow marking on body (flow below seat)
- Test & Inspection (API 598)
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Test Item
|
Test Pressure
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Medium
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Acceptance Criteria
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|
Shell Test
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20.0 MPa
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Water
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No visible leakage
|
|
High-Pressure Seat Test
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14.8 MPa
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Water
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No visible leakage
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Low-Pressure Seat Test
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0.5 – 0.7 MPa
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Air
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No bubbles leakage
|
|
Test Duration
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Per API 598
|
—
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Hold time conforms to standard
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- 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, threaded or weld ends coated with rust preventive
- Documentation: Material certificates, pressure test reports, declaration of conformity provided with shipment
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