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Gate Valves Specs

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Heavy Gate Valve Detail

Bolted Bonnet Gate Valves

Our structural bolted bonnet gate valves (rising stem and non-rising stem) operate as optimal straight-line fluid isolators. Designed with stellited seating faces to counter heavy wedge wear, they maintain maximum leak-proof durability inside high-temperature steam loops.

Class 150 to Class 2500 API 600 / API 603 Standard

Technical Specifications

Parameter Standard Specification Details & Limits
Size Range 1/2" to 24" NB (heavy bolted profiles)
Pressure Standards ASME Class 150, Class 300, 600, 900, 1500, 2500 Lbs
Bonnet Configurations Bolted Bonnet (BB), Welded Bonnet (WB), Pressure Seal Bonnet (PSB)
Disc Wedge Types Flexible Wedge, Solid Wedge, Split Split Wedge designs
Materials stocked ASTM A351 CF8, CF8M, CF3, CF3M Castings, Forged F316L, F304
Certifications Codes API 600, API 603, API 598, ASME B16.34, EN 10474 3.1

Industrial Applications

  • Steam Loops: Isolation of thermal boiler steam distribution pipelines.
  • Petrochemicals: Primary isolation points of thick crude feed conduits.
  • Waste Treatment: Heavy slurry drainage loops demanding robust wedge shields.