Flange Globe Valve

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How does it work?

Turn the handwheel to lift or lower the internal disc against the valve seat. Spin the handwheel to move the inner disc up or down against the seat. Lift the disc halfway to slow down the fluid, or raise it fully to get maximum flow. Push the disc tight against the seat to fully stop the flow entirely. This setup lets you adjust the flow volume smoothly no matter how open the valve is.

Key Attributes

What are the key advantages?

The standout benefit is accurate flow adjustment, a feature ball valves can’t handle well. It seals tightly to avoid leaks completely. The thick solid body performs steadily under high heat and pressure. Seals and discs can be replaced right on site without removing the whole valve, cutting your maintenance time and expenses.

Where are they used?

Flange Globe Valves are common on all kinds of industrial pipelines. You can find them in power plant steam circuits, chemical production lines, water treatment facilities, oil and gas delivery pipes, plus hot water and steam heating systems.

Flanged vs. Threaded?

Flanged globe valves lock onto pipes with bolted flanges. They support large diameters and high working pressure, and you can quickly separate the valve from piping for inspection or repairs. Threaded versions screw straight onto small pipes, only suitable for tiny sizes and low-pressure lines. Threaded joints tend to seize after long service and are much harder to disassemble later.

What is a Flange Globe Valve?

A flange globe valve is a shut-off & throttling industrial valve with flange connection ends. It controls fluid flow by lifting and lowering the disc inside the valve body. The flange design enables fast, tight pipeline assembly and easy disassembly for maintenance, widely used in all kinds of industrial piping systems.

Why choose flange connection instead of thread or weld end?

A: Flange connection is easy to disassemble for valve overhaul or replacement without cutting pipelines. The contact area of flange gasket provides stable sealing effect, more suitable for large diameter, high pressure and frequent maintenance working conditions. Threaded valves are only for small size low-pressure pipelines.

What key points for flange installation?

Clean welding slag, rust and debris on flange sealing surface before installation;

Match standard gaskets according to medium temperature (graphite for high temp, PTFE for corrosion);

Tighten flange bolts symmetrically and evenly to avoid uneven stress leakage;

Do not over-tighten bolts to crush and damage the gasket.

How to maintain flange globe valve to extend service life?

Grease the valve stem once every three months to stop it from getting stuck.

Re-torque all flange bolts once the high-temperature piping has fully heated up.

Clear out any leftover corrosive fluid inside valves if you plan to shut the system down for a long stretch.

Cycle standby valves open and closed on a routine basis to stop internal parts rusting shut.