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What is a globe valve and where are they used?

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Globe valves are linear motion valves that are widely employed to stop, start and throttle flow. In this blog, BM Engineering Supplies explains the function, advantages and disadvantages, and common applications of globe valves.

Globe valves are designed with a stem that moves up and down to regulate flow inside the valve, a disc (ball, composition, or plug) and seat, which is generally screwed into the valve body. Seats are designed in plane parallel or inclined to the line of the flow. These types of modulating valves are most commonly used to valve throttle, open or close flow in a system. The three basic globe valve body designs are Wye, Tee and Angle.

Advantages and disadvantages of globe valves


Advantages:

Good shutoff capability.
Moderate to good valve throttling capability.
Shorter stroke (compared to a gate valve).
Easy to machine or resurface the seats.
Can be used as a stop-check valve.

Disadvantages:

Higher pressure drop (compared to a gate valve).
Requires greater force or a larger actuator to seat the valve.

Typical globe valve applications


The following are some of the typical applications of globe valves:

Cooling water systems.
Fuel oil systems.
Feedwater or chemical feed systems.
Boiler and main steam vents and drains.
Turbine lube oil system and others.

Featured product – Bürkert Type 2101 pneumatically operated 2/2-way globe valve 


Bürkert Type 2101 pneumatically operated 2/2-way globe valve

Bürkert’s Type 2101 pneumatically operated 2/2-way globe valve fulfils tough criteria for process environments. Unrivalled cycle life and sealing integrity is guaranteed by the proven self adjusting spindle packing with V-seals. The design enables easy integration of automation modules whether they are electrical/optical position feedback, pneumatic control units, an integrated fieldbus interface. The fully integrated system has a compact and smooth design, integrated pneumatic lines, IP65/67 protection class, stainless steel housing (with threaded, clamp or weld connection) and superior chemical resistance. Suitable for 10 bar(g) steam, an explosion-proof version is also available.

Featured product – Valsteam ADCA PV25 – On-Off “Adcatrol” Pneumatic Control Valves

Valsteam ADCA’s PV25 On-Off valves are single seated, two-way body constructed with in-line straight connections. The PA pneumatic actuator features a rubber diaphragm and multi-springs, and its action can be DA-direct action (air to close) or RA-reverse action (air to open). Their wide application range allows these valves to be used with the most common process fluids, including water, superheated water, steam, air, gas and other non-corrosive fluids. Choose from either a single seated, two-way, direct or reverse action valve. The valve’s top flange is permanently attached to the body, meaning removal is unnecessary for replacing the actuator. Soft sealing comes as standard.

Featured product – Bürkert Type 2012 2/2–way Globe Valve

Bürkert Type 2012 2/2–way Globe Valve

Bürkert’s Type 2012 2/2–way Globe Valve consists of a pneumatically operated piston actuator and a 2/2–way valve body. The actuator is made of PA or, for special operating conditions, PPS. The reliable self–adjusting packing gland provides high sealing integrity. These maintenance–free and robust valves can be fitted with a comprehensive range of accessories for position indication, stroke limitation or manual override. The Type 2012 features bubble–tight shut off, ISA S75.03 Face–to–Face dimensions and a stainless steel 316L valve body. Available with flow direction below and above the seat, three and four-inch tube weld ends are available, as is a compact globe valve version.

Speak to BM Engineering today


If you’re in any doubt about which type of globe valve to opt for, or would simply like more information and guidance, BM Engineering would be only too happy to chat through your options with you. We stock globe valves up to 6” in size and can supply many variants on size and material from our partners on a next-day basis. Speak to a BM Engineering Supplies adviser today about our complete range of Globe Valves by calling 0141 762 0657 or email sales@bmengineering.co.uk.


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