KOSO is a globally leading manufacturer of industrial control valves and automation instrumentation, specializing in high-precision, high-reliability fluid control solutions. Headquartered in Tokyo, Japan, the company was founded in 1965 and has over 60 years of professional experience in process control.
Core products include:
- Control Valves: Single-seat globe valves, cage-guided globe valves, ball valves, butterfly valves, check valves, anti-cavitation and low-noise control valves.
- Actuators & Positioners: Pneumatic actuators, electric actuators, and smart valve positioners (KGP5000 series).
- Automation Accessories: Solenoid valves, limit switches, position transmitters, and various valve auxiliary components.
Products are widely used in the following fields:
- Petrochemicals: Process fluid control for reactors, pipelines, storage tanks, etc.
- Power & Energy: Boiler feedwater, steam, and steam turbine bypass control systems.
- Metallurgy & Mining: Control under severe conditions such as high temperature and high differential pressure.
- Water Treatment & Papermaking: Flow control for wastewater, raw water, pulp, etc.
740E High-Performance Low-Temperature Aluminum Butterfly Valve
This series is high performance cryogenic aluminum butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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732E Triple-Eccentric High-Performance Butterfly Valve
732E features a unique triple offset geometry sealing mechanism. Which can completely eliminate rubbing galling generated at the sealing surface throughout the valve's 90 degree rotation. And provide bi-directional. Hight shut-off performance by torque seating action.
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730E Triple-Eccentric High-Performance Butterfly Valve
730E features a unique triple offset geometry sealing mechanism. Which can completely eliminate rubbing galling generated at the sealing surface throughout the valve's 90 degree rotation. And provide bi-directional. Hight shut-off performance by torque seating action.
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720C High-Performance Butterfly Valve
This series is high performance butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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710C High-Performance Butterfly Valve
This series is high performance butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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721E Eccentric High-Performance Butterfly Valve
This series is high performance butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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710E High-Performance Butterfly Valve
This series is high performance butterfly valve of high durability, high seating performance. It has several different seal ring construction suitable to various service applications.
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600M Rubber-Lined Butterfly Valve
Wafer type rubber seated butterfly valves has been developed as a result of making great efforts to offer a fully function, easy handling, long life and cost effective performance. It features a simple and compact structure, and extremely light-weight body. It enable to make control, also enable to shut off. It can be used for gas, liquid, oar, powder, and granule fluids in chemical, food, pharmaceutical, paper and pulp, water processing industries and so on.
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