Descripción
API 602 Forged Stainless Steel Gate Valve Technical Data Sheet
F316L Material 3/4″ 800LB NPT/Welded Ends
- General Information
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Item
|
Especificación
|
|
Tipo de válvula
|
Forged Steel Gate Valve
|
|
Design Standard
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API 602 / ASME B16.34 / BS 5352
|
|
Tamaño nominal
|
3/4 inch (DN20)
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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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|
Operación
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Handwheel
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|
Material del cuerpo
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ASTM A182 F316L (Forged Austenitic Stainless Steel)
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- Applicable Standards
|
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
|
|
Socket Weld Ends
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ASME B16.11
|
|
Threaded Ends
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ASME B1.20.1 (NPT)
|
|
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
- Wedge Design: Solid wedge, fully guided design, minimizes wear, reliable sealing
- Stem Design: Backseat feature allows packing replacement under pressure when valve is fully open
- Seating Surface: Metal-to-metal seating, hardfaced or integral stainless steel seat rings for durability
- Packing: Flexible graphite packing, low emission design
- Seat Rings: Renewable seat rings or integral seat
- Main Component Materials (F316L Material)
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Item
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Part Name
|
Material
|
Standard/Remark
|
|
1
|
Cuerpo
|
ASTM A182 F316L
|
Forged Austenitic Stainless Steel
|
|
2
|
Bonnet
|
ASTM A182 F316L
|
Forged Austenitic Stainless Steel
|
|
3
|
Wedge
|
ASTM A182 F316L
|
Stainless Steel
|
|
4
|
Seat Ring
|
ASTM A276 316L
|
Hardened Stainless Steel, Renewable or Integral
|
|
5
|
Provenir
|
ASTM A182 F316L
|
Stainless Steel
|
|
6
|
Gasket
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316 + Flexible Graphite
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Spiral Wound
|
|
7
|
Packing
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Flexible Graphite
|
Low emission design
|
|
8
|
Gland Bushing
|
ASTM A182 F316L
|
Stainless Steel
|
|
9
|
Gland Flange
|
ASTM A182 F316L
|
Stainless Steel
|
|
10
|
Bonnet Bolt
|
ASTM A193 B8
|
Stainless Steel
|
|
11
|
Bonnet Nut
|
ASTM A194 8
|
Stainless Steel
|
|
12
|
Eye Bolt
|
ASTM A193 B8
|
Stainless Steel
|
|
13
|
Handwheel
|
ASTM A197
|
Malleable Cast Iron
|
- Technical Parameters & Dimensions
5.1 Pressure-Temperature Ratings
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Item
|
Parámetro
|
|
Nominal Pressure
|
Class 800 LB (PN130)
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|
Shell Test Pressure
|
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]
|
|
Low-Pressure Pneumatic Test Pressure
|
0.5 – 0.7 MPa (Air) [API 598]
|
|
Temperature Range
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-29°C ~ 425°C
|
|
Applicable Media
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Nitric acid, acetic acid, corrosive media
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5.2 Dimensions (3/4″ Class 800 NPT/Socket Weld)
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Dimension
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Value
|
Remark
|
|
End-to-End Length (L)
|
92 mm
|
For NPT/SW ends, typical API 602 value
|
|
Height (H-OPEN)
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Approx. 161 – 169 mm
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Fully open position, reference
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|
Handwheel Diameter (W)
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100 mm
|
Reference
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Socket Weld Bore (B)
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28.5 mm
|
Socket weld inner diameter
|
|
Socket Weld Depth (S)
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12.7 mm
|
Minimum socket depth
|
|
Threaded End
|
3/4″ NPT
|
Per ASME B1.20.1
|
|
Weight
|
Approx. 2.3 kg
|
Bolted bonnet type, reference
|
5.3 End Connection Details
- NPT Threaded Ends: Per ASME B1.20.1, 3/4 inch American Standard Taper Pipe Thread
- Socket Weld Ends (SW): Per ASME B16.11, bore dia 28.5mm, socket depth 12.7mm
- Flow Direction: Gate valve has no flow direction restriction
- Test & Inspection (API 598)
|
Test Item
|
Test Pressure
|
Medium
|
Acceptance Criteria
|
|
Shell Test
|
20.0 MPa
|
Water
|
No visible leakage
|
|
High-Pressure Seat Test
|
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.
- 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
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.
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