GB Series Low Pressure Globe Valves

  • Design and manufacture: BS 1873 and ASME B16.34
  • Class 150 to Class 2500
  • Actuation: handwheel, impact handwheel, and gear box. Chain wheel and electric actuator if requested.

Features & Benefits

  • Bolted bonnet; outside screw and yoke; rising stems; metallic seating surfaces
  • The body and bonnet of Class 150 – Class 900 valves are usually with studs and nuts. And the body and bonnet of Class 1500 – Class 2500 valves are usually of a pressure seal design
  • Gasket of cover flange: Stainless Steel + flexible graphite wounded gasket is used for Class 150 and Class 300 globe valve. Stainless + flexible graphite wounded gasket is used for Class 600, and ring joint gasket is optional for Class 600. Ring joint gasket is used for Class 900 globe valve. Pressurized seal design is used flor Class 1500  to Class 2500 globe valve.
  • Actuation: handwheel, impact handwheel and gear box are usually used for globe valve actuation. Chain wheel and electric actuator can be used for globe valve actuation if required by customers.
  • If requested, the Belleville spring loaded packing impacting can be adopted for enhancing the durability and reliability of the packing seal
  • All of our globe valves have the back seat sealing design. In most cases, the carbon steel globe valve is fitted with a renewable back seat. For stainless steel, the back is machined directly in the bonnet or is machined after welding.

Application Data Sheet – Fill Out and Return for Accurate Quote



  • iron
  • stainless steel
  • cast steel
  • bronze

GB Series Brochure

J Flow Automation Capabilities Overview