J61Y Pressure Seal CrMoV Steel Welded Globe Valve

The J61Y-500V series globe valve is designed to meet the rigorous demands of superheated steam and high-pressure water systems in modern power generation plants and industrial boilers. Featuring an advanced pressure seal bonnet design, the valve utilizes fluid pressure to tighten the bonnet seal, ensuring zero external leakage as system pressure increases. Its robust butt-welded ends offer a permanent, maintenance-free connection to piping networks.

Technical Specifications

• Model Type: J61Y-500V Series

• Valve Category: High Pressure Power Plant Globe Valve

• Body Structure: Pressure Seal Bonnet (Self-Sealing Design)

• Shell Material: Chromium-Molybdenum-Vanadium Alloy Steel / Carbon Steel

• Connection Method: Butt Welded (BW)

• Flow Configuration: Inline Straight-Through Flow

• Stem Configuration: Rising Stem with External Thread

• Actuation Method: Manual Handwheel Operation

• Sealing Interface: Coated with Stellite Hard Alloy

• Sealing Performance: Zero Leakage Bi-directional / Unidirectional Sealing

• Working Medium: High-Temperature Steam, Superheated Boiler Water

• Application Field: Thermal Power Stations, Petrochemical Refining

• Design Standard: JB/T 3595 / ASME B16.34

• Inspection Standard: Mechanical and Pressure Leak Tested

• Seat Design: Integral or Renewable Seat Ring

• Yoke Design: Open Yoke for Easy Packing Access

• Surface Coating: Heat-Resistant Protective Dark Blue Industrial Finish

• End Protection: Temporary Plastic End Caps for Grid Protection

• Traceability: Heat Number and Material Specification Stamped on Body

• Maintenance Type: Inline Packing Retightening Under Pressure Capable