Forged Steel Globe Valves BS 5352

Forged steel globe valve is a type of globe valve whose body parts are made of forging material. Similarly to large globe valves, the plug or disc of the forged steel globe valve moves along the vertical plane perpendicular to centre axis of flow cavity or bore. These valves is mainly in use for regulating or throttling function in the process pipeline system. Forged steel globe valves are widely preferred for control applications. These are desinged and manufactured as per BS 5352 standards and are usually available in size range from 1/2" to 2" and lastly pressure rating like 800#, 1500# and 2500#.

forged steel gate valves with welded flange

Function of Forged Steel Globe Valves

Likewise, forged steel Globe valves are similar in function as cast steel globe valves in function. These are widely useful for regulation and throttling the flow of liquids and gases including ON-OFF duty. Flow control is generally done with a globe valve. When fully open, the typical disc or plug valve has a specific path, thus resulting flow resistance and pressure resistance. The size of the open flow path generally varies in a linear manner as the disc is moved. This means that the flow rate does change evenly with corresponding stem travel. Therefore, the downstream pressure and flow can be controlled.

Operation of Forged Steel Globe Valves

Identically to cast steel valves, forged steel globe valves are actuated by threaded stem that connects the actuator (e.g. handwheel or motor) to the disc ( plug ). They are therefore characterize as having usually a rising stem, generally depending on which end of the stem is threaded. Rising stems are fixed to the disc and rise and lower together as the valve is operated. Therefore it also provides a visual indication of valve position. The actuator is attached to a nut that is rotated around the threaded stem to move it. These are covered in BS 5352.

Forged Steel Globe valves may usually have socket weld ends, thread ends ( NPTF or BSPF) or have welded flanges ends according to pipeline-compatible flange dimensional standards. Forged Steel Globe valves are typically carbon steel forgings, alloy steel forgings and stainless steel forgings. Available pressure ratings are 800#, 1500# and 2500#.

bs5352 forged steel globe valves with welded flange

Construction of Forged Steel Globe Valves

Bolted Bonnet & Welded Bonnet

Bolted Bonnets altogether provide leak-proof enclosure for the valve body. Forged Steel Globe valves may generally have bolted bonnet or sometimes a welded bonnet. Bolted bonnet is the simplest, offering a durable, pressure-tight seal and are used with a gasket normally. Besides, a welded bonnet is used where the valves are intended to be buried or zero leak at longer service duration are required. These requirements are fulfilled as per BS 5352 standard.

Applications of Forged Steel Globe Valves

Presently, industrial applications such as oil and gas, petrochemicals, chemical, power generation, mining and industries use this valves. Additionally, these forged steel globe valves are preferred for steam distribution lines as well and steam service.

Why Select and Use Forged Steel Globe Valves ?

Easy Availability
Ideal for small size standardised applications.
Economic Cost
Wide Range of pressure rating capacity from 150# low pressure to high pressure up to 2500#
Easy Operation
Easy Maintenance and handling
Available in Stock and shorter lead times
Rigid and Robust Construction
Wide Variety of internal trim parts variants
Long Service Life
Flow comtrol, Throttling and regulation along with ON-OFF Duty.

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bs 5352 forged steel globe valves

Forged Steel Globe Valve General Specifications

Size Range – 1/2″ to 2″
Pressure Rating – 800#, 900#, 1500#
Available in socket weld ends, Threaded Ends ( NPTF / BSPF), Welded Flanges
Certifications – IBR, CE, etc.
Inspected & Witnessed By third party agencies
API Valves, ATex Valves, CE Valves, Process Valves, Gas Valves, Water Valves, Cryogenic Service, Fire Safe