Globe Valves

Linear motion valve used to stop, start, and regulate fluid flow

Globe Valves Specifications

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MATERIALS OF CONSTRUCTION

Cast LCB, WCB, WCC, WC6, WC9, CF8M, C12A, CF3M, CF8C, & CF8M

Other Materials Available Upon Request

SIZE RANGE & PRESSURE RATINGS

2” thru 14” (Cast), Class 600 thru 2500 lb

BODY CONFIGURATIONS

Butt Weld Ends-Cast

Raised Face Flanged- Cast

Short Pattern-ASME B16.10

COMPLIANCE TO ASME B16.34

OPERATING TEMPERATURE: HIGH UP TO 1130 FTYPICAL APPLICATIONS

Cogeneration, High Temp, HRSG, Steam Headers, Steam turbine, Boilers, Boiler, Balance of Plant, Biomass Boiler and Power Boiler, Pumps, Valves & Manifolds, General Service

Globe Valves - Design

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Globe Valves - Features & Benefits

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Globe valves are normally installed with flow and pressure under the disc. Always consult with the factory before installing valves with flow in the other direction. Under certain service conditions or when valves are equipped with cylinders or electric motor actuators, there may be a cost advantage in designing and installing the valves with the flow over the disc. If actuators are sized for these conditions, care must be taken to assure valves are installed correctly.

Globe valves are suitable for most throttling applications; however, they should not be used for throttling at less than 10-20% open. This can cause excessive vibration, noise, and damage to disc and seats. Use of smaller valves with lower flow capacity may permit the valve to be open a greater percentage, thus avoiding damage. Continuous severe throttling applications may require a control valve.

Non-return (Stop-Check) valves provide the same function as a globe valve with the addition of providing piston-lift-check valve protection in the event of backflow. The valve stem is not connected to the disc, and when the stem is in the open position then the disc is free to respond to the flow.