What is a flanged globe valve?
VGF Flanged Globe Valves are used for 2-position or modulating control of steam, hot water, or chilled water-glycol solutions up to 50% concentration in heating, ventilation and air conditioning (HVAC) systems.
What is face to face dimension of valve?
The face-to-face dimension for flanged Valves is the distance between the extreme ends which are the gasket contact surfaces. End-to-End dimensions apply to flanged Valves where the gasket contact surfaces are not located at the extreme ends of the Valve.
What is the flow path on a globe valve?
Globe valves are created with a disk that translates against a seat. The flow fluid is usually directed up through the seat and around the disk. Most large globe valves have direction arrow embossed on the body casting to show direction of flow.
Can globe valve reduce pressure?
Unlike the gate valve, globe valve can be used for regulating flow or pressures as well as complete shutoff of flow. It may also be used sometime as a pressure relief valve or as a check valve. Compared with a gate valve or ball valve, the globe valve has considerably higher pressure loss in the fully open position.
Where do we use globe valves?
Globe valves, so-called because of their outside shape, are widely used in plant piping. They are suitable for manual and automatic operation. Unlike the gate valve, globe valve can be used for regulating flow or pressures as well as complete shutoff of flow.
What is a VGF flanged globe valve?
63-2618—03 – VGF Flanged Globe Valves PRODUCT DATA 63-2618-03 VGF Flanged Globe Valves APPLICATION VGF Flanged Globe Valves are used for 2-position or modulating control of steam, hot water, or chilled water in closed loop HVAC systems. They can be operated by a large variety of electric and pneumatic actuators.
What is a globe valve in HVAC?
VGF Flanged Globe Valves are used for 2-position or modulating control of steam, hot water, or chilled water in closed loop HVAC systems. They can be operated by a large variety of electric and pneumatic actuators.
Are globe valves ANSI 125 or ANSI 250?
VGF flanged globe valve families have ANSI 125 and ANSI 250 designs. Actuators are available for a range of control types. NPT globe valves for two-position or modulating control of steam or water with glycol solutions up to 50% in heating, ventilating and air conditioning (HVAC) systems.
What type of flange connections are used on a vgf3 valve?
VGF3 valves have standard ANSI flange connections on A and AB ports. B ports have lugged connections. See Table 7. VGF3 B-Port Threads Material: Cast iron, ASTM A126 Class B (GG25).