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ABOUT US

KOSAPLUS provides it for you
One-stop control valve solution
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Product Family

 

Pneumatic actuator
AD/AS series (Scotch Yoke), RD/RS series (Rack & Pinion)

Electric actuator
KE series (Quarter turn), KP Series (Explosion-proof)

Quality Control

We conduct % internal testing and inspection on all products, To ensure quality.

Wide Variety

Create valve control products with ingenuity, Provide one-stop solution for valve automation.

Customer Service

Fast and accurate network mechanism, Respond immediately to global customer needs.

Fast Delivery

Mature delivery process, good logistics partners, Ensure that customers receive the products they need in the shortest possible time.

Our Products

KOSAPLUS (Qingdao) Automation Co., Ltd. is the China regional office of KOSA+Company in South Korea, responsible for the sales of original imported pneumatic actuators, electric actuators, solenoid valves, limit switches, and valve accessories from KOSAPLUS Company in South Korea.

Pneumatic actuator

KOSAPLUS pneumatic actuator is an automatic valve control device driven by compressed air, featuring high precision and durability. It is widely used in various industrial automation sites around the world.

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Ball Valve

Electric actuator

KOSAPLUS electric actuator is an automated control device that uses an electric motor as a power source to drive valve opening and closing. The product is suitable for controlling rotary valves such as ball valves, butterfly valves, and dampers in various industrial fields, and has advantages such as high stability, long service life, and convenient installation and maintenance.

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Ball Valve

Limit switch

-Quick installation cam
-Subdivision sawtooth (resolution 2.25 °)
-Fixed cover bolt
-Compact size (height 86.5mm)
-Easy installation bracket (IS05211)

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Ball Valve

Solenoid valve

Working principle: 5port 3/2 way, 5/2 way
Working medium: Compressed air that has been dehumidified and filtered
Work pressure: 1~10Bar
Flow coefficient value (Cv value): 1.0
Explosion proof grade: Ex d C T6

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Ball Valve

Positioner

- Simple zero and span adjustment.
- Easy maintenance due to built-in module type.
- Strong to vibrations and No resonance between 5-200Hz.
- By-pass valve(A/M switch) installed.
- Air connection part is designed for detachability and it can be changed PF/NPT tapping threads in the field easily.

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Ball Valve

Other valve accessories

The product range mainly includes:
KU100 explosion-proof straight stroke switch feedback device
Electric linear actuator
Three way control valve, etc

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Ball Valve
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With KOSAPLUS Beyond Your Competitiveness.

The products are widely applied in fields such as petroleum, chemical engineering, natural gas, power, water treatment, shipping, semiconductors, and industrial automation

Power Plants
Power Plants
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Semiconductor
Semiconductor
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Water Treatment
Water Treatment
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Chemical Pharmaceuticals
Chemical Pharmaceuticals
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Oil & Gas
Oil & Gas
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Marine & Shipbuilding
Marine & Shipbuilding
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Air conditioning
Air conditioning
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Factory Automation
Factory Automation
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Media

#kosaplus.automation
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Pneumatic actuator in preparation for shipment!

2025-07-30

Pneumatic actuator in preparation for shipment!

We strictly control the quality of every product, just to ensure that customers can use it with peace of mind! Professional manufacturing, trustworthy. Welcome global partners to discuss cooperation!

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KOSAPLUS Exhibition Preview! ——MICONEX 2025

2025-07-16

KOSAPLUS Exhibition Preview! ——MICONEX 2025

The 33rd China International Measurement Control and Instrumentation Exhibition, Date: August 13-15, 2025, Booth Number: B1181

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KOSAPLUS——1-second electric actuator

2025-06-27

KOSAPLUS——1-second electric actuator

Ultra high speed drive only takes 1 second to achieve instant valve control, which is very suitable for emergency situations or situations where process time needs to be shortened to improve production efficiency. It can quickly respond to sudden pressure or flow changes, making it very suitable for application scenarios that require precise timing control.

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KOSAPLUS appears at the 2025 Shanghai International Energy Conservation and Emission Reduction Technology Exhibition

2025-06-10

KOSAPLUS appears at the 2025 Shanghai International Energy Conservation and Emission Reduction Technology Exhibition

From June 4th to 6th, we participated in the 2025 Shanghai International Energy Conservation and Emission Reduction Technology Exhibition held in Shanghai. This is one of the leading environmental protection exhibitions in Asia, attracting over 1,200 enterprises to participate!

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KOSAPLUS made its debut at the 2025 Valve World Expo in the United States!

2025-06-06

KOSAPLUS made its debut at the 2025 Valve World Expo in the United States!

From June 4th to 5th, KOSAPLUS successfully participated in the Valve World Exhibition in the United States, showcasing our leading technology and innovative strength in the field of actuators and control systems to the world.

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The KOSAPLUS rack and pinion pneumatic actuator has been widely applied on many ships in South Korea and overseas

2025-05-26

The KOSAPLUS rack and pinion pneumatic actuator has been widely applied on many ships in South Korea and overseas

From controlling the flow of liquefied natural gas at low temperatures to supporting global shipbuilding projects, we are proud to be able to provide precise support for ship automation!

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No leverage required, easy and convenient, innovative and upgraded.

2025-05-15

No leverage required, easy and convenient, innovative and upgraded.

The KE080 and KE120 electric actuators are now available. They feature a fork-type design, powerful torque, and a compact design, making them suitable for narrow Spaces. They are equipped with a clutchless manual handwheel - just turn the handwheel without a lever!

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Get to know the AS300 fork actuator - the only non-heavy-duty model in the same torque class!

2025-05-01

Get to know the AS300 fork actuator - the only non-heavy-duty model in the same torque class!

With the same torque, it is smaller in size and lighter in weight. It features a spring return function and a torque range of 5000-6000 Nm (3,690-4,430 lbf·ft). The AD300 type with a double-acting actuator can be selected, with a torque as high as 10,000 Nm (7,380 lbf·ft).

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Timeless performance, durable and long-lasting!

2025-04-11

Timeless performance, durable and long-lasting!

It has been in service for 14 years and is still strong! The KOSAPLUS actuator installed in 2011 is still operating stably on the steel production line to this day! As time goes by, our quality remains consistent and we are trustworthy.

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Understand the operation status of the electric push KE120 installed in the Egyptian water treatment project

2025-01-03

Understand the operation status of the electric push KE120 installed in the Egyptian water treatment project

We are honored to let you know about the operation of the electric push rod KE120 installed for the Egyptian water treatment project. This amazing project relies on our trusted partner, Al Hashimiyah, which is renowned for its professionalism and dedication to import and export expertise.

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