Distinguished Globe Valve Manufacturer and Supplier

Kinvalve: Your Professional Globe Valve Manufacturer

Kinvalve globe valve is used to stop, start, or regulate the fluid flow by a linear movement. The globe valves provide fully open and good shutoff capacity.

The opening and closing of our globe valve are realized with the vertical movement of the valve plate relative to the valve seat. This relative vertical movement creates an annular space between the seat and the disc.

During the slow opening and closing process of the stop valve, the annular space gradually becomes larger or smaller, which helps you realize the regulation and control of the flow rate.

However, the Kinvalve globe valve is not suitable for a throttling valve when fine adjustment is required in your applications because the sealing surface is a relatively large area.

In a typical globe valve, the key role of flow regulation is the valve disc fixed on the valve stem. When you operate the valve stem, the valve stem drives the valve disc into the valve seat to close the globe valve.

At Kinvalve, our accurately machined disc and seat with good alignment provide you with a tight seal.

At Kinvalve, globe valves are usually designed to be with the metal sealing surface, they are made of two-disc types including conical disc, and plug disc for your specific application.

Our conical disc globe valve is equipped with a conical disc. Such a valve disc has a short taper and is closely combined with the flat-surfaced seat to achieve reliable sealing.

This kind of globe valve is relatively simple, cheap and popular. You can use these globe valves to regulate the flow, but they are mostly recommended for isolating valves.

Kinvalve plug type globe valve is the best choice for your throttling applications. In the case of the plug type globe valve, the long tapered plug disc seat provides a wide sealing surface when it seats into the cone valve seat.

You can use the vertical movement between the long conical valve disc and the cone seat to achieve relatively accurate flow regulation.

As one of the best globe valve manufacturers, Kinvalve owns the full capacity to provide a full range of globe valves serving every industrial field.

At Kinvalve, you can customize your globe valve in the metal seat or soft seat for your specifications.

Metal seats are our default configuration in the globe valves. Generally, these globe valves have the same material seat and disc as the body.

Special alloys including bronze or stellite overlay are optional upon your request. These specific metal seats feature corrosion and wear resistance with long service life.

In the case of a soft seated globe valve, the disc is equipped with an elastomeric seal to provide a reliable bubble-tight for your specific requirement.

Kinvalve can supply the globe valves with two types of body arrangements including t pattern globe valve and y pattern globe valve. T pattern globe valves are very common in our product line.

Our Y type globe valve is also known as angle seat valve as its construction implies.

Kinvalve Y type globe valve is a kind of angle globe valve, with the seat and stem angled at approximately 45 degrees to the pipe axis. Kinvalve Y globe valve is a solution for the high pressure drop problem in a T pattern globe valve.

At Kinvalve, there are three standards of globe valves designed in t pattern. They are DIN globe valve, JIS globe valve as well as ANSI globe valve.

The same as the gate valve, Kinvalve’s globe valves also have a bonnet to house the stem, the packing and the backseat. The bonnet provides a leak-proof closure for the globe valve body.

At Kinvalve, we design two types of bonnet glove valves including a screwed bonnet globe valve and a flanged bonnet globe valve. A screwed bonnet globe valve is the simplest in structure, offering a durable, pressure-tight seal.

And this kind of globe valve is used for low-pressure applications. A bolted bonnet globe valve is designed for larger or higher pressure applications.

Kinvalve globe valve is always designed with a rising stem construction. The rising stem globe valve sometimes is equipped with a holder, which is easy for you to drive the globe valve by a pneumatic or electric actuator. This kind of rising stem globe valve is also known as the OS&Y globe valve.

As an international quality system certified glove valve manufacturer and supplier, we can offer globe valves that meet different standards in the world and meet the requirements of different customers.

When we receive your inquiry, our engineers will provide product drawings according to your requirements for the first time.

After you confirm the drawings, our sales team will provide an accurate quotation according to the confirmed drawings. The quotation includes payment terms, delivery time, order acceptance and other important terms.

Or else, we can follow your drawing directly. Our sales team and engineer team will respond to your inquiry within 24 hours.

Kinvalve, as an industry reliable and reputable manufacturer of all kinds of valves, provide each globe valve, with the standards that meet your satisfaction with speed, accuracy, and reliability.

Welcome to contact us to get our newest globe valve prices or the globe valve specification sheet in detail.

Globe Valve: The Ultimate FAQ Guide

Today, you’re going to learn everything you need to know about globe valves.

More specifically, you will learn about features, specification, parts, working principle, design configuration, and connection type, among others.

So, if you want to be an expert in globe valves, read this guide.

What Is Globe Valve?

A globe valve refers to a type of valve with sphere-shaped bodies and a baffle that separates two halves inside it.

Globe valve

The internal structure of the globe valve creates a different path of flow.

This is as compared to other ball valves and even valves of the rotary type.

They tend to actuate in a linear motion.

What Is A Globe Valve Used For?

Globe valves are mostly used by oil and gas producers to help in controlling the pressure and temperature of the fluid in the process. They are also used in these systems to control the flow of liquid which may either be water or gas.

Producers can control globe valves using mechanical, electric, or pneumatic power. Depending on the type that is used, globe valve can provide either throttle service or on/off service.

What Are The Components Of The Globe Valve?

Parts of globe valve

Globe valves have several components some of which include:

• Bonnet: it is the outer part of the valve that incorporates the other parts of the globe valve and closes the valve body using a closure that is leakproof.
  It also gives the body of the globe valve more strength as a bonnet fixed using bolts is used for applications of higher applications.
• Body: it is the main part that contains the pressure of the globe valve and is easily identified because it forms a mass of the valve.it contains all the internal parts of the globe valve which meets the fluid that is being controlled.
• Cage: it surrounds the stem within the globe valve. It is a great determinant of flow within the globe valve
• Stem: it connects the disk to the handwheel or valve actuator and assists in transmitting the force. They need to be very straight to ensure that you have a low run-out to ensure good closure of the globe valve.
• Disk or plug: it is the part of the globe valve which moves in a perpendicular direction to the seat. It is a physical barrier that is moveable and blocks the flow. Their main benefit is they are relatively affordable.
  When closed, it sits against the seat and plugs the flow while when open it sits above the seat making it possible for the liquid to pass.
• Seat ring: it provides a seal between the bonnet and the disk when the disk is pressed tightly against it. The seat is attached to the valve by either integration or screwing.

How Does A Globe Valve Work?

The functioning capability of a globe valve will depend on its type.

Globe valves that have back pressure regulators are designed to hold pressure on vessels of production like treaters, separators, and free water knockouts.

In back pressure regulator globe valves, when it reaches the set point that is predetermined, it will release that pressure upstream.

A high-pressure control globe valve refers to a type that can be used in several applications like a pressure regulator, dump valve, plunger lift, and suction controller applications.

In this type, the valve will always maintain an open or closed position until the pilot authorizes it to actuate.

For example, when in a liquid dump set up, a signal will be given to it from a liquid level controller that opens and dumps the liquid.

In an application that regulates pressure, the pressure pilot will work by monitoring either the downstream or upstream pressure.

Whenever the globe valve requires adjusting, it will send a pneumatic signal to the actuator of the valve so that it opens or closes.

Working principle of globe valve

What Is The Difference Between Angle Pattern Globe Valves And Wye Pattern Globe Valve Designs?

Angle pattern design refers to a modification of the globe valve’s pattern.

The angle pattern globe valves have a coefficient that is slightly lower to the flow as compared to globe valves of wye-pattern.

They are mostly used in applications that have pulsating flow periods.

Wye pattern designs are good for a drop in high pressure which is applicable in globe valves. The seat and stem in this valve are located at an angle of 45 degrees  providing a flow path that is straight and resistance that is low.

How Does The Gate Valve Compare To The Globe Valve?

Gate valve and globe valve compare in the following ways:

Gate Valve

It is used for starting and stopping flow although it cannot be used in regulation of the level of flow.

Gate valves are designed to connect or isolate fluids although a partial flow cannot be managed using this valve as it can be damaged and introduce vibrations.

The name of gate valves is derived from how they operate with a gate sliding between its seats at the right angle to the fluid flow. It is possible to shape them like a knife, wedge, or parallel.

In physical appearance, they are higher when fully opened although they possess smaller face-to-face length. It is easy to move the gate up and down thus making it easy to visually acknowledge the gate valve operation with either rising or non-rising stem.

When they are fully open, they possess minimum fluid flow resistance because the gate will get back fully in its bonnet.

Gate valves are more prone to the wear of the seat and disk as compared to globe valves.

Gate valves is that it is easy to install gate valves in several directions. While for a globe valve it is possible to only install it in one direction.

Globe Valve

It can be used in starting, stopping and regulation of flow and they derive their name from the shape of its valve body.

It operates by a cone-shaped plug moving in and out of the fluid’s flow and controls the flow depending on how far the plug is from the seat.

When the globe valve’ shaft is turned too far, it may cause damage to the seating.

Globe valves are more resistant to fluid flow as compared to gate valves and have a high drop in pressure even when the valve is fully open.

Globe valves tend to last longer and seal better as compared to gate valves.

However, they are more costly as compared to gate valves of similar size although they are worth extra expense where throttling is required.

How Do You Know If A Globe Valve Is Open Or Closed?

Open vs closed globe valve

Globe valves are designed with a sphere that is rotating which has a hole in it where water flows through.

When it is turned open, the hole in the sphere will be in line with the pipe and make it possible for fluid to pass.

When the globe valve is closed, the hole in the sphere will be in a perpendicular direction to the pipe thus preventing the passage of any water.

The handle which is on the globe valve is an indication to the user whether the valve is open or closed.

If the handle is in a direction perpendicular to the pipe, the globe valve is closed.

Globe valves tend to provide an excellent seal when in a closed position and turned off.

What Is A Globe Valve Symbol?

Comparing valve symbols

The symbol for the globe valve is two triangles that are sideways on the same linear line and have the points touching in the middle.

Besides, they have a black circle where these points touch.

The globe valves can also be made to work at angles. For example, there can be two triangles whose points touch in an “L” configuration.

These points will have a black circle where these points meet which indicates the angled globe valve.

Are Globe Valves Full Port?

Globe valves are mostly two-port valves, however three-port valves are also manufactured mostly in straight-flow configuration.

How Does The Globe Valve Compare To Ball Valve?

Globe valves are made with a stem that moves up and is done inside it to control flow.

They are mostly used on chill and hot water coils and larger models of globe valves are mostly used to regulate flow to chillers.

The main limitation of globe valves is that they have a close-off rating which is lower as compared to other valves in larger sizes.

Ball valves on the other hand are made with a ball in their inside which has a hole through the middle to enable flow when it is in line with both valves ends.

The hole of the ball valve is perpendicular to the ends of the valve when it is closed by turning it 90 degrees thus blocking the path of flow.

Even after years of use, ball valves are usually very durable and have an excellent shutoff. They are mostly preferred for use instead of globe valves in shutoff applications.

When Should You Replace Globe Valve?

You should replace the globe valve when its parts like seats have been subject to wear and tear. Globe valves need seats that are resilient and mated to stainless steel plugs to obtain a class VI shut-off.

Once you have acquired the new valves which are equipped with stainless steel seats and plugs, and class VI shutoff, you can do the replacement.

It is important to ensure that you replace class VI globe valves with similar class IV globe valves and install additional block valves into the piping.

Where Can You Install The Globe Valve?

You can install globe valves in several applications where the flow of fluid must be regulated and there is no need for controlled fluid flow.

Some of the common applications where you might install a globe valve include:

• Systems of fuel oil.
• Cooling water systems
• Systems of turbine lube oil.
• Main steam vents, drains, and boilers.
• Chemical feed or feedwater systems.

What Is The Pressure Rating Of The Globe Valve?

Globe valve

The pressure rating of the globe valve is 150 PSI. it is important to make sure that you do not exceed 100% of the maximum pressure of the globe vale at any point when operating it.

What Is The Working Temperature Of Globe Valve?

Globe valves can handle a working temperature between 425 degrees Fahrenheit to 1100 degrees Fahrenheit depending on their construction.

Does Globe Valve Reduce Pressure?

Yes, globe valves can be used in the regulation of pressures and flow. At times, the globe valve also tends to be used as a pressure relief valve or a check valve.

This is because it has a high-pressure loss when in a position that is fully open as the flow of fluid changes direction when it goes through it.

The globe valve’s design enables it to force the flow of given elements to alter direction. This alteration of direction most times results in a substantial drop in pressure.

Therefore, the globe valve is not suitable for conditions where pressure drop cannot be avoided.

Which Materials Do You Use To Make Globe Valve?

Globe valves are typically made from metallic alloys although there are also some synthetic materials available.

These materials which are used are selected based on the temperature, pressure, and controlled media properties.

For non-corrosive applications, it is recommended to use carbon steel alloys although there are other available alloys.

Examples of these other alloys include Monel, Hastelloy, and Inconel.

For corrosive or erosive process streams, you may need a compromise on exotic alloys, body coatings, or material selection.

This is to ensure you reduce the interaction of the material and to increase the lifespan of the globe valve.

It is also important to consider packing material during the selection of the globe valve.

This is because low friction packing conflicts with a durable material which will ensure low maintenance and increased service life.

What Are The Available Connection Options For Globe Valve?

Some of the available connection options for globe valve include:

• Bolted bonnet connection: it is a simple and least expensive design. However, it requires accommodation of itself to faces that are rotating and bonnet unscrewing may harm the joint faces.
  In addition, it needs torque to tighten the joint of the bonnet that is very large for larger globe valves. Because of this reason, this type of connection is not recommended for globe valve sizes that are so large.
• Welded bonnet connection: it is made of a material that is welded and the connection may entirely be welded. This type of connection is economical and very reliable despite the operating pressure, temperature, and size of the globe valve.
• Flanged bonnet connection: in this, the effort used to tighten the globe valve can be spread sufficiently thus can be made in any operating pressure increase and valve size. This type of globe valve connection becomes increasingly bulky and heavy and high temperatures may creep relaxation thus lowering the bolt load.
• Union ring bonnet connection: this type of connection can prevent movement among the faces which are joint during the tightening process. It is mostly suitable for use in large globe valves.
• Pressure seal bonnet connection: it can overcome weight problems through tightening the joint by use of pressure.
  This type of connection, therefore, becomes tighter when the pressure of the fluid increases.
  This globe valve connection type is mostly preferred for globe valves that operate in high pressures and temperatures.

How Do You Install Globe Valve?

Globe valves are unidirectional as they are only designed to take the flow in one direction, under the disc.

The process of installation of globe valve entails a series of steps which are highlighted below:

• You will first need to eliminate any debris from the valve.
• Make sure that the globe valve’s inside is free from moisture and water. This is because it can expand when subject to heat on startup.
• Ensure that the globe valve is well supported because it can be damaged when subjected to long runs of pipe clamping which is unsupported in the valve.
• Make sure that you have sufficient space for the operation of the globe valve.
• Carry out a complete dry cycle of the globe valve from closed to open and vice versa.
• Tighten the globe vale’s flange bolts gradually in a diagonal pattern.
• Raise gradually the internal pressure of the globe valve to make sure there was the correct installation of bolts and flanges.
• Raise the internal pressure of the globe valve to operating pressure and check again.

Where Should Pressure Enter Globe Valve?

Flanged globe valve

Pressure enters the globe valve under the disk for low-temperature applications to promote easy operation and help protect the packing.

For applications of high temperature, pressure enters above the disk to prevent leaks by lifting the disc off and reducing cooling of the stem.

The globe valve needs to be installed in the proper relation to the media flow as shown by the flow direction arrow indicated on the valve body.

Globe valve is considered unidirectional, and it should be installed with the pressure side or inlet under the seat.

Can You Use Globe Valve For Isolation?

This will depend on the way you would like to use your globe valve.

For example. If you ever use your globe valve for throttling, then it is quite hard to seal in on or off service.

In case you do not use your globe valve for throttling, then it should offer you a positive shut-off a couple of times.

If you would like to use the globe valve in chemical isolation, it will depend on whether it is soft-seated or not.

Globe valves are a perfect choice for low leakage regulation and shut-off.

This is because the pressure of operation increases as the hydraulic load on the stem becomes greater thus making it difficult to operate the valve manually.

What Are The Advantages Of Globe Valve?

Some of the advantages of globe valve include:

• It has a good shut-off capability.
• Possesses throttling capability that is between moderate to good.
• When compared to other valves like the gate valve, it has a shorter stem travel.
• It is easy to maintain globe valves because the seats and disks are readily replaced or refurbished.

What Are The Disadvantages Of Globe Valve?

Disadvantages of globe valve include:

• The flowing fluid can be turned off by a high drop in pressure.
• Globe valves of large sizes need sufficient operation power and may make some noise in applications which use pressure that is high.
• It has openings that are very large for the assembly of the disk.
• Globe valves are relatively heavier in weight as compared to other types of valves.

What Are The Available Globe Valve Body Patterns?

Globe valves are available in the following body patterns:

• Standard pattern: its seat is in a setting that is making it possible for it to move perpendicular to the flow direction.

  It offers a very high resistance and has the highest pressure drop and lowest coefficient.

  It is used in many throttling for example in bypass lines near the control valves and that is not affected by a drop in pressure.

• Angle pattern: it has its ends at an angle of ninety degrees and the flow of fluid happens within a turn of ninety degrees. They possess a coeffect that is relatively lower and are used in applications that have pulsating flow periods due to their ability to take care of the slugging effect.

  It is designed to enable a flow resistance that is greatly reduced and saves the pipe elbow by reducing the number of pipe joints.

• Oblique pattern: it is a great alternative for a high drop in pressure and reduces the resistance of flow to very low rates. It is possible to crack them open for a long time.

What Are The Available Globe Valve Disc Design?

Some of the available disc designs include:

Globe valve disc

Conventional Disc

It is composed of a metal disc that is ball-shaped which has a shorter taper that fits against the seat.

This design is cheap and popular for use in applications of low pressure that do not require throttling although it is mainly used to start and stop the flow.

It is preferable to be used in wide open or fully closed with less flow regulation because the disc subject to severe erosion and wire drawing.

In case the disc and seat surfaces are not badly damaged, they can be easily reground.

Composition Disc

It is not very good for purposes of throttling although it is quickly and easily repairable.

Besides, it also uses less power to seat tightly and cannot be damaged by foreign matter or small particles.

Plug Type Disc

It is a metal plug that is long and tapered with its seating fixed into a cone which produces a surface of seating.

This surface cannot be affected easily with foreign matter or wire drawing and when fully open it gives full flow.

The construction of plug type disc permits quick and easy replacement of the disc and seat whenever required.

What Is A Globe Control Valve?

This is a valve that will regulate the flow of fluid by varying the flow passage size through a controller or actuator.

Globe control valves will maintain the flow variable to be close to the desired parameters.

The installation of a globe control valve consists of:

• Actuator
• Valve body
• Positioner
• Other accessories

What Is Actuated Globe Valve?

This is a valve that you can fit with pneumatic or electric valve actuators and not manual handles to turn the valve off or on.

Also, they contain a direct connection to the stem and can rotate in quarter turns.

There are three ways you can actuate a globe valve:

Handles/ Levers/ Lever Handles

These handles act as wrenches to close or open the globe and will need an operator to turn them.

The handles contain teeth that enable you to open the disc in increments, and have dials indicating if the disc is opened or closed.

Also, you will use the handles on smaller configurations since you will need more force manually to open large-sized configurations.

Gear Operations

The gears will minimize the force that is necessary to open or close the globe valve in quarter turns.

Also, gears can have chain wheels and you can manually rotate the handwheel or pull the chain to rotate the wheel.

Power Operated Actuators

This type of actuator allows you to open or close the globe valve automatically or with the touch of a button.

These actuators are common in applications that require frequent actuations, easy actuations, or better control.

The three types of power operated actuators include:

1. Pneumatic actuators that need ait to provide power and turn the stem.
2. Hydraulic actuators use fluid to operate the stem.
3. Electric actuators that need electric power to operate

How Does Outside And Inside Stem Screw In Globe Valves Compare?

Here is how these two compare:

Inside Stem Screw

The threaded area of the stem is within the globe valve while the stem packing is outside.

This design allows the thread of the stem to be in contact with the fluid in the globe valve.

The inside screw makes it economical to manufacture but you cannot maintain it from the outside.

This design is suitable for fluids with good lubricity.

Outside Stem Screw

Here, the external area of the stem has threads and the internal area has no threads.

The packing helps in isolating the thread of the stem from the fluid.

This design is suitable in areas where you need to minimize damage through corrosives, high temperatures, and inline solids.

Also, you can service this design from the outside thereby suitable for severe tasks.

Besides, this design has a limitation in the packing since it experiences wear and tear due to the movement of the stem.

How Do You Determine The Direction Of Flow In Globe Control Valve?

Globe control valves have flow directions the applications determine if the flow of fluid will come from above or below the disc.

Also, you can arrange the disc so that it closes in a similar direction or against the flow direction.

For instance, kinetic energy stops the flow of fluid but assists in opening it when the flow of fluid is against how the disc closes.

When the disc shuts off in a similar direction to the flow of fluid, the kinetic energy will enable closing but stop it from opening.

What Is A Double-beat Globe Valve?

This is a traditional design suitable for special applications such as isolating valves for water turbines and steam turbines.

A double-beat globe valve will minimize hydraulic load as it balances the forces on discs when the operating pressure and size of the valve increases.

How Do You Maintain Globe Valve?

Regularly maintaining the valve ensures it operates optimally for a long time.

Conduct regular inspections to ensure they are in good working condition.

Cycle the valve so that discs do not bed in the seat if you do not operate the valve regularly.

Lubricate the crossbar and spindle to minimize friction.

Adjust the packing by slightly tightening the gland bolts as overtightening will damage the gland.

In case you have any questions or inquiry about globe valves, contact Kinvalve now.