Fully Welded Gear Operated Trunnion Ball Valve DN150-DN350 PN16-PN64

Model: Q367F-16~64
Nominal Size Range: DN150~DN350
Pressure Rating: PN16~PN64
Applicable Media: Hot water, steam, natural gas, and other fluids
Application Fields: District heating systems, power plants, chemical industry, metallurgy

Description

Technical Features

  • Top and Bottom Stem Support Design: Ensures stable opening and closing performance, maintaining reliable bidirectional operation under high differential pressure conditions.
  • Reinforced Valve Wall Thickness: Provides stronger resistance to pipeline axial force and improves structural durability.
  • Trunnion Mounted Ball Structure: Reduces operating time and ensures smoother valve operation.

Applications of Fully Welded Trunnion Ball Valve

  • Long-distance district heating transmission pipelines in urban heating systems
  • Main pipelines in power plants
  • Hot water pipelines in steel plants
  • Industrial heating systems in various industries

Main Parts and Materials

No. Part Name Material
1 Oil-Free Bearing Fe + PTFE + Cu
2 Upper Gland 45#
3 Packing Sleeve 45#
4 Compression Ring 45#
5 Sealing Assembly FKM
6 Valve Body Q235
7 Upper Stem 20Cr13
8 Ball S304
9 Seat O-Ring FKM
10 Valve Seat PTFE + Carbon
11 Steel Valve Seat A105
12 Spring Inconel X-750
13 Pipe Connection 20#
14 Lower Stem 20Cr13
15 Lower Stem Sleeve 45#
16 Lower Stem Cover 45#