Easy maintenance | Globe valve | Reliable performance

Easy maintenance | Globe valve | Reliable performance

As one of the most important cut-off valves, the globe valve plays an important role in the aerospace field. As an important component of aerospace equipment, the shut-off valve realizes the functions of medium delivery, cut-off, and adjustment, and its sealing performance directly affects the safe and reliable operation of aerospace equipment.
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Exquisite craftsmanship

Exquisite craftsmanship

Stick to the spirit of ingenuity CNC precision machining 20 years of technical engineer guidance

Technological innovation

Technological innovation

High-tech foundation Insist on innovation and development Senior technical talent team

Special custom

Special custom

Torque up to 4678nm Senior technical guide selection Special customization according to customer needs

Consistent quality

Consistent quality

ISO9001 international certification Adhere to standardized production processes 1 million cycles durability test

How Globe Valves Work

COVNA Industrial Automation Co., Ltd. was established in 2000, an automated valve specialist. Headquartered in Dongguan China, with 3 production bases located in Ningbo, Wenzhou and Dongguan. 

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The working principle of the globe valve

The valve plays an important role in cutting off and throttling the medium in the pipeline where it is located. The valve clack exerts pressure to make the sealing surface of the valve clack closely fit the sealing surface of the valve seat, and prevent the medium from leaking along the gap between the sealing surfaces.

The working principle of the globe valve

Long service life of the globe valve

In terms of service life, the sealing surface of the globe valve is not easy to wear and scratch. During the opening and closing process of the valve, there is no relative sliding between the valve disc and the sealing surface of the valve seat, so the wear and abrasion of the sealing surface are small, so the sealing is improved. During the full closing process of the auxiliary service life cut-off valve, the disc stroke is small, and its height is smaller than that of the alarm valve.

Long service life of the globe valve

Direct current globe valve

In a direct-flow or Y-shaped stop valve, the flow passage of the valve body is in a diagonal line with the main flow passage, so that the damage to the flow state is smaller than that of the conventional stop valve, so the pressure loss through the valve is correspondingly small.

Direct current globe valve

Plunger globe valve

This type of shut-off valve is a modification of the conventional shut-off valve. In this valve, the disc and valve seat are usually designed based on the plunger principle. The valve clack is polished so that the plunger is connected to the valve stem, and the sealing is achieved by two elastic sealing rings sleeved on the plunger. The two elastic sealing rings are separated by a collar, and the sealing ring around the plunger is pressed firmly by the load exerted on the bonnet by the bonnet nut. The elastic sealing ring can be replaced and can be made of various materials. The valve is mainly used for "open" or "close", but it is equipped with a special form of plunger or a special collar, which can also be used to adjust the flow rate .

Plunger globe valve
User Reviews

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The workmanship is in place, and the quality is very good at a glance!

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Regular customers, the cooperation has been very happy!

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The workmanship is fine, the size is right, the design is in place, and the service is attentive and attentive!

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Frequently Asked Question

Do you have any question?

Globe valves have a very distinct globe shape. The disk, valve stem, and the hand wheel are the moving parts in the valve body. The body is available in three different designs depending on the application as well as three different types of disks.

The medium inlet and outlet flow path of the T Pattern Globe valve are 180° in the same direction. This design has low coefficient of flow and pressure drop. It relies on the valve stem to navigate the valve disc towards the sealing surface of the valve seat, fully shut off the flow.

The globe valve is a kind of throttle valve. The throttle valve is a general term for a large type of valve that can adjust the opening arbitrarily, and the butterfly valve is also a common throttle valve. On-off valve is a general term for valves that can only be opened and closed, represented by ball valves. It is another major type of valve corresponding to throttle valves.

All COVNA globe valves are 100% in-house produced, including mold opening, casting, production, testing and more. At the same time, all products are produced in strict accordance with ISO9001:2015 standards to ensure that the quality of the products is excellent.

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