600 LB Bolt Bonnet Globe Valve

When you need a valve that works well under high pressure, the 600 lb globe valve is a great pick. This valve lets you control flow very accurately. It also seals tightly, even with steam or harsh fluids. The valve is built strong with top-quality materials. It follows tough international rules. Many industries use this valve. These include power plants, chemical factories, and places that clean water. The table below shows where this valve is used:

Industry	Anwendung
Wastewater Treatment	Controls water and chemical flow for safe, smooth work
Chemical Processing	Handles dangerous, harsh materials to keep things safe and efficient
Food Processing	Controls how fluids move to keep food products good
Power Generation	Manages high-pressure steam and important fluids for steady, efficient energy

You can trust STV Valve Technology Group Co., Ltd to make quality products with new ideas.

Key Takeaways

Der 600 lb globe valve works well for high-pressure jobs. It gives exact flow control and seals tightly for many industries.
Made from strong ASTM A217 WC6 steel, this valve fights rust and oxidation. It lasts a long time, even in tough places.
It follows strict rules like API 600 and ASME B16.34. This makes sure it is safe and works well in hard situations.
Pick the best end connection and way to use it for your system. This helps your system work better and more efficiently.
Check the valve often for leaks and rust to keep it working well. Doing regular maintenance helps the valve last longer and work its best.

600 LB Globe Valve Features

Construction & Materials

A 600 lb globe valve is strong and well-made. It uses ASTM A217 WC6 steel for its main parts. This steel makes the valve tough and hard to break. The valve does not rust easily, even with high pressure or heat. WC6 has molybdenum, which helps stop oxidation. This means the valve lasts longer and keeps working.

Here is a table that lists the main parts and materials:

Feature	Beschreibung
Model No.	20G6RWC608
Designstandard	API 600
Struktur	Verschraubte Motorhaube
Nominal Size	20 Inch
Nominal Class	600 LB
Bore Type	Standard Bore
Verbindung beenden	RF (Raised Face)
Betrieb	Handrad
Body Material	ASTM A217 WC6
Trim Material	410+STL, No.8
Hauptmerkmale	Flexible Wedge, OS & Y, Non-rising Handwheel, Low fugitive emission stem packing, Renewable Seat, NACE MR0175, For high temperature

The full port design lets lots of fluid move through. It does not slow down the flow much. The 600 lb globe valve works well and stays steady. It is good for steam and other tough jobs.

Standards & Certifications

You want a valve that follows strict rules. The 600 lb globe valve meets important standards. These are API 600, ANSI B16.34, ASME B16.10, and API 598. These rules make sure the valve is safe and works well.

API 600 valves have thicker bodies than ASME B16.34 valves. This helps them handle more pressure.
API 600 needs more tests during making. This means you get better quality.
ASME B16.34 checks the valve before it leaves the factory.
These rules cover pressure from 150 to 2500 psi. You can use the valve in tough places.

Testing is important for quality. Here is a table with some main tests:

Test Name	Purpose
Hydrostatic Shell Test	Checks if the valve’s body can take high pressure without leaks or breaks.
Hydrostatic Seat Test	Makes sure the valve seals well under pressure.
Stem Backseat Test	Checks that the stem does not leak when the valve is open.

STV Valve Technology Group Co., Ltd does these tests for every valve. This makes sure each valve is top quality.

End Connections

You can pick from different end connections for a 600 lb globe valve. The RTJ connection is the most common. It gives a tight seal and stops leaks. It works well for steam and high pressure.

Other choices are:

NPT: This is used a lot in the U.S. It seals well but can be hard to line up.
Socket Weld: This costs less and stops leaks. It needs a skilled person to install.
Tri-Clamp: This is easy to put on and take off. It costs more because it needs to be exact.
Glue Socket: This is light and cheap. Do not use it for dead-end service.

You can use different ways to operate the valve. You can use a handwheel, gear operator, pneumatic actuator, or electric actuator. This lets you pick what works best for your system.

STV Valve Technology Group Co., Ltd gives you all these choices. You get a valve that fits your job, whether you use steam, water, or other fluids.

Tip: When you pick a 600 lb globe valve, check the end connection and how you will operate it. This helps you get the best results for your work.

Applications of 600 LB Globe Valve

You can use a 600 lb globe valve in lots of industries. This valve helps control flow and keeps things safe. Its design gives you benefits in important jobs. Here are ways you can use this valve in different fields.

Oil & Gas

You see the 600 lb globe valve in oil and gas plants. It works in pipelines, refineries, and drilling rigs. You need a valve for high pressure and heat. The valve seals tightly and works well. It gives safety and steady performance in hard jobs.

Anwendungen	Performance Requirements
Crude oil pipelines	Leak-proof sealing, durability, efficient performance under high-pressure conditions
Natural gas distribution	High-pressure and high-temperature handling
Offshore drilling rigs	Robust materials for long-term reliability
Oil and gas pipelines	API 600 standards for bolted bonnet steel valves
Refinery operations	Precise sealing for high-temperature steam systems
High-temperature steam systems	Made to handle high-pressure and high-temperature conditions

This valve works at pressures from Class 150 to 2500 LB. It handles temperatures from -29°C to +429°C. This makes it good for many oil and gas jobs.

Ventiltyp	Pressure Range (LB)	Working Temperature (℃)
2 Inch, 600 LB	Class 150 – 2500	-29 to +429
6 Inch, 600 LB	Class 150 – 2500	-29 to +300

Power & Steam Systems

You use globe valves in power plants and steam systems. These valves help control steam and keep things running well. You need to check flow rate, pressure drop, and what the valve is made of. You can choose manual or automatic operation for better results.

Factor	Beschreibung
Flow Rate and Pressure Drop	Globe valves are ideal for applications needing precise flow control due to their linear flow characteristic. Ensure the valve can handle the system’s operating pressure without excessive pressure drop.
Material Compatibility	Consider the fluid’s characteristics (temperature, pressure, corrosiveness, abrasiveness) when selecting materials like stainless steel, carbon steel, bronze, or cast iron.
Actuation	Determine if the application requires manual or automated operation; remote or automatic operation is preferred for efficiency.
Leakage Class	The leakage class indicates the allowed leakage level when the valve is closed; a higher class means tighter sealing.
Industry Standards	Ensure compliance with relevant industry standards and certifications for quality, safety, and performance.

You may face problems like pressure drops and wear. You fix these by using strong materials and checking the valve often.

Challenge	Solution
Managing pressure drops	Improve valve designs using CFD and FEA; choose Y-pattern or angle-pattern valves.
Maintenance best practices	Regular checks on valve seats and actuators; replace worn components.
Wear and tear	Use strong materials like stainless steel; conduct regular wear checks with EDS.

Chemical Processing

You need a valve that can handle chemical fluids. The 600 lb globe valve gives control and safety. You use it in chemical plants for mixing, heating, and moving fluids. The valve’s design fights corrosion and wear. You get long life and steady service.

Specification Type	Beschreibung
Nominal Pressure Class	Indicates the maximum pressure the valve can withstand (e.g., 600LB means 600 psi at 100°F).
Material Specifications	Ensures compatibility with corrosive chemicals and compliance with industry standards.
Body Material	Critical for corrosion resistance (e.g., CF8 for stainless steel, WCB for carbon steel).
Trim Material	Internal components’ materials (e.g., 13Cr for mild corrosion) prevent premature wear.
Standard Compliance	Adherence to standards like ASME B16.34 and API 602 ensures safety and reliability in operation.

Water & Corrosive Liquids

You use globe valves in water treatment plants. These valves help control water during cleaning steps. You need materials that fight rust and wear. Trim 16 and Trim 14 work well for these jobs.

You control water flow in treatment plants.
You use the valve for harsh liquids in chemical and industrial systems.
You pick strong materials for long life and safety.

Steam Jacketed Globe Valves

You use steam jacketed globe valves for thick fluids. The jacketed design keeps fluids warm and moving. You find these valves in petroleum, chemical, medicine, and food industries. You need to stop fluids from getting hard or forming crystals.

Application Area	Beschreibung
Petroleum Industry	Used for transporting high viscosity medium that solidifies at normal temperature.
Chemical Industry	Suitable for pipelines in chemical and fertilizer industries.
Pharmaceutical Industry	Maintains temperature to prevent crystallization in high-viscosity fluids.
Food Processing	Ensures smooth operation of fluids at lower viscosity.
High Viscous Process Media	Used in applications involving molten sulfur, bitumen, asphalt, and coal tar.

Note: You can use steam jacketed globe valves for molten sulfur, bitumen, coal tar, and fertilizer production. These valves help keep fluids moving and stop blockages.

You see the benefits of using a 600 lb globe valve in many important jobs. You get good control, strong build, and reliable features. You can also compare these valves to a 600 wog ball valve for different needs.

Benefits

Durability

You want a valve that lasts for years. The 600 lb globe valve is very tough. It uses strong materials and a smart design. This helps the valve resist damage. If you take care of it, the valve lasts longer. You also save money on repairs. Here are some important facts about durability:

Good maintenance makes your valve last longer and saves money.
Valves in hot and high-pressure jobs can wear out faster, so check them often.
Using the valve at the right temperature keeps it safe.
Preventive maintenance is key, especially with steam or heat.

Leak-Tight Sealing

You need a valve that does not leak. The 600 lb globe valve has special features to stop leaks. These features help keep your system safe. Look at the table to see how each part helps with sealing:

Design Feature	Contribution to Sealing Performance
Bolted Bonnets	Holds parts tight and stops leaks
Rising Stems	Shows if the valve is open or closed, lowers wear
Low-emission Sealing Technology	Keeps leaks under 100 ppm of VOCs
Dual Leakage Protection	Works well with both threaded and welded joints
Double Packing	Adds extra protection against leaks
Rugged Bellows Seal Design	No leaks at the stem, needs no fixing

These features make the valve very reliable. They also help seal steam and harsh fluids.

Maintenance

You want a valve that is easy to care for. The 600 lb globe valve makes this simple. Check for leaks, rust, and damage often. Clean and oil the parts to keep them working well. If you see stem leaks or the valve does not close right, fix it fast. Regular checks and cleaning help stop bigger problems.

Performance Under Pressure

You need a valve that works well with high pressure and heat. The 600 lb globe valve gives you control and stability. It works with steam, oil, and chemicals easily. The table below shows how globe valves compare to other types:

Ventiltyp	High-Pressure Capability	High-Temperature Capability	Anwendungen
Kugelventile	Excellent	Up to 600℃	Power Generation, Oil and Gas, Chemical Processing, Pharmaceutical, Pulp and Paper
Gate Valves	Moderate	Limited	General flow control

You get good control, tight sealing, and high reliability. Every valve is tested before it leaves the factory. STV Valve Technology Group can make large or special orders. You always get the right valve for your job.

Comparison & Selection

600 LB vs Other Classes

You can find globe valves in many pressure classes, such as 150, 300, 600, 900, 1500, 2500, and 4500. The 600 LB globe valve stands out because it handles higher pressure than lower classes. This makes it a good choice for tough jobs with steam or hot fluids. As the pressure class goes up, the valve can work in more demanding places. The pressure class also tells you how much heat and pressure the valve can take before it weakens. If you need a valve for high-pressure or high-temperature work, the 600 LB class gives you strong performance and safety.

The 600 LB class works well for power plants, oil and gas, and chemical plants.
Lower classes, like 150 or 300, fit lighter jobs with less pressure.
Higher classes, such as 900 or 1500, suit extreme conditions but may cost more.

Globe vs Other Valve Types

You need to pick the right valve for your system. The table below shows how globe valves compare to gate valves:

Feature	Kugelventile	Gate Valves
Performance/Functionality	Start, stop, and control flow	Stop flow only
Struktur	More parts inside	Simple top part
Sealing Surfaces	Strong seal with valve core	Seals only on disc surface
Anwendung	Good for high pressure, steam, and thick fluids	Works for many fluids, like gas and water

Globe valves help you control flow. Gate valves work best when you just need to stop or start flow. If you need to handle steam or high pressure, a globe valve with a strong design is the better choice.

Selection Tips

When you choose a 600 LB globe valve, look at these factors:

Factor	Beschreibung
Flow Coefficient (Cv)	Shows how much fluid can move through the valve.
Druckrate	Tells you the highest pressure the valve can handle.
Temperature Range	Lists the safe working temperatures for the valve.
Ventilgröße	Must match your pipe size for a good fit.
End Connection Type	Pick from threaded, flanged, or welded ends for your system.
Material of Construction	Choose steel or alloy based on what fluid you use.
Valve Design	Pick rising stem, non-rising stem, or angle globe for your needs.

Tip: Always talk to a trusted manufacturer if you are not sure which valve fits your job. They can help you pick the best valve for your steam, water, or chemical system.

You get a valve that works in hard jobs. It is used in oil, gas, power, and steam systems. The table below shows why this valve is a good choice:

Feature	Benefit
Rugged construction	Handles high pressure and heat
Accurate throttling	Gives you precise flow control
Maintenance-friendly	Makes upkeep simple and fast

When you pick a valve, check the material. Think about the temperature and pressure. Make sure it resists corrosion. STV Valve Technology Group Co., Ltd gives you strong and dependable valves for your needs.

FAQ

What does “600 LB” mean for a globe valve?

“600 LB” shows the valve’s pressure class. You can use this valve in systems with high pressure. It means the valve can handle up to 600 pounds per square inch (psi) safely.

Can you use this valve for both hot and cold fluids?

Yes, you can. The 600 LB globe valve works from -29°C to +520°C. You can use it for steam, hot oil, or cold water without worry.

How do you choose the right end connection?

You should check your piping system first. RTJ works best for high pressure. You can also pick NPT, socket weld, or flanged ends. Ask your supplier for help if you are not sure.

How often should you maintain the valve?

You should check the valve every few months. Look for leaks, rust, or damage. Clean and oil moving parts. Regular care helps your valve last longer and work better.

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