Descrição
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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Especificação
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Tipo de válvula
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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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|
Tamanho nominal
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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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Operação
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Handwheel
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Material do corpo
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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
- Construção da carroceria: 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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Material
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Standard/Remark
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|
1
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Corpo
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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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Disco
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ASTM A182 F304 + STL
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Hardfaced with Stellite
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|
4
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Assento
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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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Tronco
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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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Parâmetro
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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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Faixa de temperatura
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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
GARANTIA:
A SAVVY VALVES está comprometida em oferecer produtos de qualidade excepcional e um serviço pós-venda sem preocupações. Nossas válvulas têm garantia de vida útil mínima de 12 meses, durante a qual forneceremos gratuitamente todas as peças de reposição necessárias e instruções detalhadas de manutenção. Dentro do período de garantia, caso ocorra algum dano não causado por intervenção humana, substituiremos os componentes gratuitamente e forneceremos suporte técnico profissional. Após o término da garantia, os clientes pagam apenas o custo das peças de reposição, continuando a se beneficiar de serviços de manutenção com desconto. Nosso objetivo é ajudar os clientes a reduzir custos operacionais e aumentar a eficiência da produção por meio de qualidade confiável e suporte pós-venda abrangente. Seja para consultas técnicas ou necessidades de manutenção, nossa equipe de especialistas responderá prontamente para garantir que seu sistema de válvulas mantenha o desempenho ideal o tempo todo.
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