Description

Flyvalve forged steel Y-pattern globe valve are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint,spiral wound gasket, made in F**4/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
The Y-pattern valves are available in globe and check design configurations.

• Y type design posses optimizing Cv value.
• Threaded bonnet, can be designed to be welded or removable structure
•  Rotate-Rising stem
• Low flow coefficient.
•  Body and bonnet joint accurately machined.
• Secondary throttling face design which reduces the erosion of sealing surface.
• Integral HF seat
• Hightly-density and sharped flexible graphite gasket.
• Electric or pneumatic actuator is optional
• Y pattern body with inclined stem. This design allows less fluid turbulence and higher flow coefficient values when compared to T pattern.

Conform to ANSI B*6.*4. Each are tested according to API**8, and marking is per MSS SP**5.

Y -pattern globe valve 1/2\'\'*2\'\' with **0Lb,

Pressure seal Y-pattern globe valve 1/2\'\'*2\'\' with *******0Lb