2″-1500LB Closed Die Forged Steel Gate Valve

Penerangan

API 602 Forged Steel Gate Valve Technical Data Sheet

1. General Information

2. Applicable Standards

3. 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.

4. Main Component Materials

5. Technical Parameters & Dimensions

5.1 Pressure-Temperature Ratings

• Material Group: Group 1.1 (Carbon Steel)
• Julat Suhu: -29°C ~ 425°C
• Applicable Media: Water, oil, gas, steam, etc.

5.2 Dimensions (Reference Values)

5.3 End Connection Details

• Socket Weld (SW): Bore diameter and depth per ASME B16.11.
• Kimpalan Punggung (BW): Bevel preparation per ASME B16.25.

6. 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.

7. 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.

JAMINAN:

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