HomeBall Valve SeriesForged Ball ValvesForged Steel Trunnion Ball Valve That Meets National Standard
Forged Steel Trunnion Ball Valve That Meets National Standard

Forged Steel Trunnion Ball Valve That Meets National Standard

High-quality industrial valves with one-piece forged valve bodies and fixed ball structures are designed and manufactured in strict accordance with the national standards of GB/T series. electric power industry.

Product Details

1. Main structural features
1. Forged steel valve body

● One-piece stamping (GB/T 12228 standard)

● Grain size 6 or higher (GB/T 6394)

● Minimum wall thickness exceeds standard by 25% (GB/T 12224)

2. Fixed ball design

● Upper and lower shaft support structure (60% reduction in working torque)

● Supersonic Sputtering (HVOF) Sphere Surface Treatment

● Valve Blowout Stem (GB/T 26480)

3. Compatibility with national standards

● Flange Size: GB/T 9113 Series

● Constructed Length: GB/T 12221

● Test Standard: GB/T 13927

2. Performance Benefits
1. Advantages of the material

● Tensile strength ≥590Mpa

● Impact energy ≥47 J (-40°C)

● Passed SSC/HIC (GB/T 4157) test

2. Tightness

● Two-way zero leakage (GB/T 13927 Class A)

● Automatic pressure compensation

● Sealing 30 minutes after fire prevention

3. Advantages of the national standard

● 100% compliance with domestic production

● Full compatibility with GB pipelines

● Maintenance costs reduced by 40%

3. Typical Applications

1. Oil and natural gas

● Valve room of long-distance main pipeline

● Natural Gas Processing Plant

● Oil Storage Inlet and Outlet System

2. Chemical industry

● High Pressure Reaction System

● Synthetic ammonia plant

● Methanol Synthesis Pipeline

3. Energy

● Supercritical Unit

● Nuclear Power Auxiliary System

● High-pressure water supply control

Online Inquiry

+86 18858752875

gd@gaodun-valve.com

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