Description
Forged Steel Globe Valve Technical Data Sheet (API 602)
F304 Material 1/2″ 300LB Butt Weld Ends
- General Information
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Item
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Spécification
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Type de vanne
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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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Taille nominale
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1/2 inch (DN15)
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Pressure Class
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Class 300 LB (PN50)
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Bonnet 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)
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Opération
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Handwheel
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Matériau du corps
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ASTM A182 F304 (Forged Austenitic Stainless Steel)
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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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ASME B16.10 / Manufacturer Standard
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Butt Weld Ends
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ASME B16.25
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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
- Construction du corps: One-piece die forged body, dense structure, high strength, no casting defects, excellent corrosion resistance
- Bonnet Connection: Bolted bonnet design with stainless steel/flexible graphite spiral wound gasket sealing
- Disc Design: Renewable disc type, hardfaced seating surface
- 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
- Seat Design: Metal-to-metal seating for durability
- Packing: Flexible graphite packing, low emission design
- Main Component Materials (F304 Material)
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Item
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Part Name
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Matériel
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Standard/Remark
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1
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Corps
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ASTM A182 F304
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Forged Austenitic Stainless Steel
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|
2
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Bonnet
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ASTM A182 F304
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Forged Austenitic Stainless Steel
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|
3
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Disque
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ASTM A182 F304 + STL
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Hardfaced with Stellite
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4
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Siège
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Integral / STL Hardfaced
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Machined directly on body or hardfaced
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5
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Tige
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ASTM A182 F304
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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 A182 F304
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Stainless Steel
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9
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Gland Flange
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ASTM A182 F304
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Stainless Steel
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10
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Bonnet Bolt
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ASTM A193 B8
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Stainless Steel
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11
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Bonnet Nut
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ASTM A194 8
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Stainless Steel
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12
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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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Paramètre
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Nominal Pressure
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Class 300 LB (PN50)
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Shell Test Pressure
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7.7 MPa (Hydrostatic) [API 598]
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High-Pressure Seat Test Pressure
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5.7 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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Plage de température
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-29°C ~ 425°C (derating at higher temps)
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Applicable Media
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Water, steam, oil, corrosive media
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5.2 Dimensions (1/2″ Class 300 Butt Weld Ends)
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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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165 mm
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Butt Weld Ends, typical API 602 value
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Height (H-OPEN)
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Approx. 196 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
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Matching 1/2″ Sch40/80 pipe
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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. 2.5 kg
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Reference, may vary by manufacturer
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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)
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Test Item
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Test Pressure
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Medium
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Acceptance Criteria
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Shell Test
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7.7 MPa
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Water
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No visible leakage
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High-Pressure Seat Test
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5.7 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
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Test Duration
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Per API 598
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—
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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
- Cleaning & Protection: Valves internally and externally cleaned, ends covered with protectors
- Documentation: Material certificates, pressure test reports, declaration of conformity provided with shipment
GARANTIE :
SAVVY VALVES s'engage à fournir des produits d'une qualité exceptionnelle et un service après-vente sans souci. Nos vannes sont garanties pour une durée de vie minimale de 12 mois, période durant laquelle nous fournissons gratuitement toutes les pièces de rechange nécessaires et des instructions d'entretien détaillées. Pendant la période de garantie, en cas de dommage non causé par l'homme, nous remplaçons gratuitement les composants et fournissons une assistance technique professionnelle. Après l'expiration de la garantie, seuls les pièces de rechange sont à votre charge, tout en bénéficiant de services de maintenance à prix réduits. Notre objectif est d'aider nos clients à réduire leurs coûts d'exploitation et à optimiser leur production grâce à une qualité fiable et un service après-vente complet. Qu'il s'agisse de questions techniques ou de besoins de maintenance, notre équipe d'experts répondra rapidement pour garantir le fonctionnement optimal de votre système de vannes.