Our Product

Straight Through

This series provides ball valves with a special inner valve which can be full opened or closed by...

Lock Valves

Used for shut off, switching, or locking of instrumental air circuit (air relay).

L Port 3-Way

Each of 331L series and 331T series is equipped with a spherical internal face.

Current Simulator

HCS400: CURRENT SIMULATOR HCS500: CURRENT/VOLTAGE SIMULATOR

301R: Acid Resistant

This series provides acid resistant ball valves that have teflon or polyvinyliden fluoride wetted...

Concentric PARA-SEAL

This PARA-SEAL valve is high performance butterfly valve of high durability

Eccentric PARA-SEAL

This PARA-SEAL valve is high performance butterfly valve of high durability, high seating ...

Disc Damper

600B: Casting Body type 600S: Fabricated Body type 610S: RING-SEAL type

Pneumatic Diaphragm Actuators

5200LA 526LLA 5200RA

Pneumatic Cylinder Actuators

6100LA 6200LA 6300LA

500M: VeCTor M Trim / 500D: VeCTor D Trim / 500J: VeCTor J Trim

In severe services of high temperature and high differential pres-sure, KOSO's multi-stage trim ...

Motorized Actuators

Here is a line-up of motor-operated actuators of basically ON/OFF control. 3100 series is ...

Cage Guided

501G series is our latest cage guide control valve of large Cv value, and of dynamic stability.

Solid State Electronic Actuators

Each product of this series drives and controls a control valve, with a motor driven by a ...

Top Guided Single Seat Globe Valves

KOSO top-guided control valves are compact and simple structured

Microprocessor Controlled Actuators

This Series represents intelligent digital actuators targeting the control method of the next ...

3-Way Diverting Globe Valves

Diverting type that divides the flow into two directions and mixing type that converges two flows...

Electro-Hydraulic Actuators

The M-MAC series is the electro-hydraulic actuator which combines the power of hydraulics, the ...