Carbon Steel Torispherical Dished Head 1900mm Diameter 6mm Thickness For Pressure Vessels. As a standardised head made of Q345R material, THA1900*6-Q345R, with its 1900mm large-size design, is an ideal end fitting for medium-to-large tanks (20-50m³). It features excellent welding compatibility and mechanical toughness, withstanding operating temperatures from -20℃ to 350℃. Combined with precise dimension control (compliant with GB/T 25198), it enables fast and accurate equipment assembly, especially suitable for scenarios requiring both sealing performance and economy, such as chemical raw material storage and urban gas reserves.

• Standardised design for pressure vessels with precise dimension control
• Excellent welding compatibility and mechanical toughness
• Wide operating temperature range: -20℃ to 350℃
• Ideal for medium-to-large tanks (20-50m³)
• Suitable for chemical raw material storage and urban gas reserves
• Compliant with GB/T 25198 and ASME standards