Descripción
Forged Steel Globe Valve Technical Data Sheet (API 602)
F304 Material 1/2″ 300LB Butt Weld Ends
- General Information
|
Item
|
Especificación
|
|
Tipo de válvula
|
Forged Steel Globe Valve
|
|
Design Standard
|
API 602 / ASME B16.34 / BS 5352
|
|
Tamaño nominal
|
1/2 inch (DN15)
|
|
Pressure Class
|
Class 300 LB (PN50)
|
|
Bonnet Type
|
OS&Y (Outside Screw and Yoke), Bolted Bonnet
|
|
Connection Type
|
Butt Weld Ends (BW)
|
|
Operación
|
Handwheel
|
|
Material del cuerpo
|
ASTM A182 F304 (Forged Austenitic Stainless Steel)
|
- Applicable Standards
|
Item
|
Standard Code
|
|
Design & Manufacturing
|
API 602, ASME B16.34, BS 5352
|
|
Face-to-Face / End-to-End
|
ASME B16.10 / Manufacturer Standard
|
|
Butt Weld Ends
|
ASME B16.25
|
|
Test & Inspection
|
API 598
|
|
Pressure-Temperature Rating
|
ASME B16.34
|
|
Valve Marking
|
MSS SP-25
|
- Main Design Features
- Construcción de la carrocería: 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)
|
Item
|
Part Name
|
Material
|
Standard/Remark
|
|
1
|
Cuerpo
|
ASTM A182 F304
|
Forged Austenitic Stainless Steel
|
|
2
|
Bonnet
|
ASTM A182 F304
|
Forged Austenitic Stainless Steel
|
|
3
|
Desct
|
ASTM A182 F304 + STL
|
Hardfaced with Stellite
|
|
4
|
Asiento
|
Integral / STL Hardfaced
|
Machined directly on body or hardfaced
|
|
5
|
Provenir
|
ASTM A182 F304
|
Stainless Steel
|
|
6
|
Gasket
|
304 + Flexible Graphite
|
Spiral Wound
|
|
7
|
Packing
|
Flexible Graphite
|
Low emission design
|
|
8
|
Gland Bushing
|
ASTM A182 F304
|
Stainless Steel
|
|
9
|
Gland Flange
|
ASTM A182 F304
|
Stainless Steel
|
|
10
|
Bonnet Bolt
|
ASTM A193 B8
|
Stainless Steel
|
|
11
|
Bonnet Nut
|
ASTM A194 8
|
Stainless Steel
|
|
12
|
Handwheel
|
ASTM A197
|
Malleable Cast Iron
|
- Technical Parameters & Dimensions
5.1 Pressure-Temperature Ratings
|
Item
|
Parámetro
|
|
Nominal Pressure
|
Class 300 LB (PN50)
|
|
Shell Test Pressure
|
7.7 MPa (Hydrostatic) [API 598]
|
|
High-Pressure Seat Test Pressure
|
5.7 MPa (Hydrostatic) [API 598]
|
|
Low-Pressure Pneumatic Test Pressure
|
0.5 – 0.7 MPa (Air) [API 598]
|
|
Temperature Range
|
-29°C ~ 425°C (derating at higher temps)
|
|
Applicable Media
|
Water, steam, oil, corrosive media
|
5.2 Dimensions (1/2″ Class 300 Butt Weld Ends)
|
Dimension
|
Value
|
Remark
|
|
End-to-End Length (L)
|
165 mm
|
Butt Weld Ends, typical API 602 value
|
|
Height (H-OPEN)
|
Approx. 196 mm
|
Fully open position, reference
|
|
Handwheel Diameter (W)
|
100 mm
|
Reference
|
|
Butt Weld OD
|
21.3 mm
|
Matching 1/2″ Sch40/80 pipe
|
|
Butt Weld Wall Thickness (t)
|
Per ASME B16.25
|
Bevel preparation per standard
|
|
Weight
|
Approx. 2.5 kg
|
Reference, may vary by manufacturer
|
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
|
7.7 MPa
|
Water
|
No visible leakage
|
|
High-Pressure Seat Test
|
5.7 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
- Cleaning & Protection: Valves internally and externally cleaned, ends covered with protectors
- Documentation: Material certificates, pressure test reports, declaration of conformity provided with shipment
GARANTÍA:
SAVVY VALVES se compromete a ofrecer una calidad de producto excepcional y un servicio posventa sin complicaciones. Nuestras válvulas tienen una vida útil mínima garantizada de 12 meses, durante los cuales suministraremos todos los repuestos necesarios e instrucciones detalladas de mantenimiento de forma gratuita. Durante el período de garantía, si se produce algún daño no provocado por el hombre, reemplazaremos los componentes sin coste alguno y ofreceremos soporte técnico profesional. Una vez vencida la garantía, los clientes solo deberán pagar el coste de los repuestos y seguirán beneficiándose de descuentos en los servicios de mantenimiento. Nuestro objetivo es ayudar a los clientes a reducir los costes operativos y mejorar la eficiencia de la producción mediante una calidad fiable y un soporte posventa integral. Ya sea para consultas técnicas o necesidades de mantenimiento, nuestro equipo de expertos responderá con prontitud para garantizar que su sistema de válvulas mantenga un rendimiento óptimo en todo momento.