globe valve vs ball valve
What are the main differences between ball valves and globe valves?
The main difference between ball valves and globe valves is the way they close. A ball valve has a stem and a ball, which rotate horizontally and are usually called "rotary" valves. The globe valve has a stem and a plug, which stroke linearly, and give them another name "stroke" valve. Ball valves are best suited for applications that require on/off control without pressure drop. The globe valve is good at regulating flow.
How does the ball valve work?
The ball valve is designed to contain a ball in the valve. The ball valve is a form of quarter-turn valve that uses a hollow, perforated and rotating ball (called a "floating ball") to control the flow through it. It is open when the hole of the ball matches the flow rate, and it closes when it is rotated 90 degrees by the valve handle. When the handle is opened, it is flush with the water flow, and when it is closed, it is perpendicular to the water flow, making it easy to visually confirm the state of the valve.
How does the shut-off valve work?
For many years, the globe valve has been the industry standard for control valves. They are named for their spherical shape, the two halves of the body are separated by an internal baffle. It has an opening to form a valve seat, and a movable plug (or disc) can be screwed into the valve seat to close the valve. Usually, the automatic shut-off valve uses a smooth stem instead of a thread, and is opened and closed by the actuator assembly
Gun Metal Globe Valve Pressure Rating : Class-150 Material : Gun Metal, Bronze Description : Union Bonnet, inside Screw, Rising Stem Ends : Flanged Operator : Hand wheel Item Code : GM00022 Size : 15mm Notes : Available Valve Size : 15mm to 100mm
Gun Metal Globe Valve Pressure Rating : Class-100 Material : Gun Metal, Bronze Description : Screwed in Bonnet, inside Screw, Rising Stem Ends : Flanged Operator : Hand wheel Item Code : GM00010 Size : 15mm Notes : Available Valve Size Class-150 15mm to 150mm PN-25 15mm to 100mm
Gun Metal Globe Valve BS 5154 Pressure Rating : PN-20 Material : Gun Metal, Bronze Description : Union Bonnet, inside Screw, Rising Stem Ends : Screwed Female to BS:21 Operator : Hand wheel Item Code : GM00014 Size : 15mm Notes : Available Valve Size PN-20 8mm to 100mm PN-25 15mm to 150mm
Gun Metal Globe Valve BS 5154 Pressure Rating : PN-16 Material : Gun Metal, Bronze Description : Screwed in Bonnet, inside Screw, Rising Stem Ends : Screwed Female to BS:21 / IS:554 Operator : Hand wheel Item Code : GM000008 Size : 15mm Notes : Available Valve Size PN-16 8mm to 100mm PN-25 8mm to 150mm
Gun Metal Globe Valve IS 778 Pressure Rating : CL-1 Material : Gun Metal, Bronze Description : Screwed in Bonnet, inside Screw, Rising Stem Ends : Flanged Operator : Hand wheel Item Code : IS000015 Size : 15mm Notes : Available Valve Size Class-1 15mm to 100mm Class-2 15mm to 100mm
Gun Metal Globe Valve IS 778 Pressure Rating : CL-1 Material : Gun Metal, Bronze Description : Screwed in Bonnet, OS & Yoke Type, Rising Stem Ends : Screwed Female to IS:554 Operator : Hand wheel Item Code : IS000014 Size : 15mm Notes : Available Valve Size Class-1 15mm to 50mm Class-2 15mm to 50mm
Gun Metal Globe Valve IS 778 Pressure Rating : CL-1 Material : Gun Metal Description : Screwed in Bonnet, inside Screw, Rising Stem Ends : Screwed Female to IS:554 Operator : Hand wheel Item Code : IS000013 Size : 15mm Notes : Available Valve Size Class-1 8mm to 100mm Class-2 15mm to 100mm
Cast Iron Globe Valve BSEN 13789 Pressure Rating : PN-16 Material : Cast Iron / Ductile Iron Description : Bolted Bonnet, OS & Yoke Type, Rising Stem Trim : SS (13% Cr.) Ends : Flanged Operator : Hand wheel, Gear, Electric, Chain wheel Specials : SDNR Disc, IBR (up to 200mm) Item Code : CI000014 Size : 15mm Notes : Available Valve Size : PN-16 15mm to 350mm PN-20 15mm to 350mm
Forged Steel Globe Valve BSEN ISO 15761, ASME B16.34, BS 6364 Pressure Rating : Class-800 Bore : Full & Regular Material : Forged Steel (A105) Description : Bolted Bonnet, OS & Yoke Type, Rising Stem (Welded Bonnet for CL-1500 & 2500) Ends : Socket Weld, Butt Weld, Screwed Operator : Hand wheel, Electric Specials : Stem Extension, LT & Cryo, Fire Safe, Seismic, FET, TAT, IBR Item Code : FCS00007 Size : 15mm Notes : Available Valve Size : CLASS-800 8mm to 50mm CLASS-1500 15mm to 40mm CLASS-2500 15mm to 25mm Material : LF2, F5, F9, F11, F22, F304, F304L, F304H, F316, F316L, F316H, F91, F51, F321H, F321
Forged Steel Globe Valve BSEN ISO 15761 Pressure Rating : Class-150 Material : Forged Steel (A105) Description : Bolted Bonnet, OS & Yoke Type, Rising Stem Ends : Welded on Flanges Operator : Hand wheel, Electric Specials : Stem Extension, LT & Cryo, Fire Safe, Seismic, FET, TAT, IBR Item Code : FCS00038 Size : 15mm Notes : Available Valve Size : CLASS-150 15mm to 50mm CLASS-300 15mm to 50mm CLASS-600 15mm to 50mm Material : LF2, F5, F9, F11, F22, F304, F304L, F304H, F316, F316L, F316H, F91, F51, F321H, F321
