Description
API 602 Forged Steel Gate Valve Technical Data Sheet
- General Information
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Item
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Specification
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Valve Type
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Forged Steel Gate Valve
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Design Standard
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API 602 / ASME B16.34
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Nominal Size
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2 inch (DN50)
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Pressure Class
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Class 1500 LB (PN250)
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Bonnet Type
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OS&Y (Outside Screw and Yoke)
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Connection Type
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Welding Ends (Socket Weld SW / Butt Weld BW)
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Operation
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Handwheel
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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
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End Connections
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ASME B16.11 (Socket Weld), ASME B16.25 (Butt Weld)
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Face-to-Face / End-to-End
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ASME B16.10
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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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- Main Design Features
- Body & Bonnet: Die-forged construction, dense structure, high strength.
- Stem Design: Backseat feature allows packing replacement under pressure when valve is fully open.
- Wedge: Solid wedge, fully guided design to minimize wear.
- Bonnet Type: Bolted bonnet or welded bonnet (as required).
- Seat Design: Metal-to-metal seating (typically 13Cr/STL), renewable or welded-in seat rings.
- Gasket: Flexible graphite or spiral wound gasket with stainless steel winding.
- Main Component Materials
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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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Body
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ASTM A105N
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Forged steel, suitable for NACE MR0175
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2
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Bonnet
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ASTM A105N
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Forged steel
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3
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Wedge
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ASTM A276 410 / 304+STL
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13Cr or stainless steel with hardfacing
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4
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Seat Ring
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A105N + STL / A276 420
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Integral hardfacing or renewable
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5
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Stem
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ASTM A182 F6a (13Cr) / 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 or serrated
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7
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Packing
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Flexible Graphite
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Pre-compressed rings, leak-proof
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8
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Bonnet Bolt
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ASTM A193 Gr.B7
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Alloy steel
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9
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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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10
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Gland Flange
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ASTM A105
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Carbon steel
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11
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Handwheel
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Malleable Cast Iron (ASTM A197)
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- Technical Parameters & Dimensions
5.1 Pressure-Temperature Ratings
- Material Group: Group 1.1 (Carbon Steel)
- Temperature Range: -29°C ~ 425°C
- Applicable Media: Water, oil, gas, steam, etc.
5.2 Dimensions (Reference Values)
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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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368 mm (14.5 inch)
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For both SW and BW ends, per ASME B16.10
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Height (H-OPEN)
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Approx. 508 mm
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Fully open position
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Handwheel Diameter (W)
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Approx. 300 mm
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Weight
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Approx. 40 kg
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Reference only, may vary by manufacturer
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5.3 End Connection Details
- Socket Weld (SW): Bore diameter and depth per ASME B16.11.
- Butt Weld (BW): Bevel preparation per ASME B16.25.
- Test & Inspection (API 598)
- Shell Test Pressure: 23.4 MPa (hydrostatic)
- High-Pressure Seat Test: 17.0 MPa (hydrostatic or pneumatic)
- Low-Pressure Seat Test: 0.5 – 0.7 MPa (air)
- Test Duration & Procedure: Strictly in accordance with API 598.
- Marking & Supply
- Valve Marking: Per MSS SP-25, nameplate to include material, pressure, heat number, etc.
- Cleaning & Protection: Valves internally and externally cleaned, ends covered with protectors, flange faces coated with rust preventive (if applicable).
- Documentation: Material certificates, pressure test reports, declaration of conformity provided with shipment.
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.
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