

KOSO Severe Service Valves
Extreme pressure drops, high velocities, cavitation, flashing, noise, and demanding process conditions place significant stress on control valves. KOSO severe service technologies are engineered to manage these challenges while maintaining precise, stable process control.
KOSO brings advanced valve engineering and specialized trim technologies to critical applications across oil and gas, petrochemical, power, and other process industries. From severe service control valves to turbine bypass applications, KOSO solutions are designed around the operating conditions that make valve performance most difficult.
Tundra Process Solutions is the exclusive Western Canadian distributor of KOSO severe service valves, bringing KOSO technology together with local valve expertise, application support, and service capabilities.
Tundra is now the exclusive Western Canadian distributor of KOSO severe service valves. Read the Announcement →
Why KOSO? About the Brand
Advanced Valve Engineering for Severe Service
Backed by Nihon KOSO Co., Ltd. of Japan, KOSO brings decades of valve engineering and manufacturing experience to some of industry’s most challenging process conditions.
KOSO severe service valves and specialized trim technologies are engineered to address the effects of high pressure drops, excessive fluid velocity, cavitation, flashing, erosion, vibration, and noise.
Through advanced engineering, application-specific valve design, and precision manufacturing, KOSO provides severe service technologies built to perform where conventional valve designs may not be sufficient.
KOSO products are engineered and manufactured to meet stringent international requirements for quality, safety, traceability, and performance.
KOSO Severe Service Valves
KOSO’s severe service portfolio provides engineered approaches to controlling pressure, velocity, noise, and damaging process conditions.

Vector – Velocity Control Trims

Series 510D – Standard VECTOR Valve

Series 530D – Customized Severe Service Valve

Turbine Bypass Valve
Have a Severe Service Application?
High pressure drop, cavitation, flashing, excessive noise, or erosion can require a valve engineered specifically for the process conditions.
Tundra’s valve specialists can review operating conditions and process data to help identify the appropriate KOSO severe service valve and trim configuration.

Local Support for Severe Service Valves
Severe service valves operate under demanding process conditions where inspection, maintenance, and proper repair can have a significant impact on valve performance.
Tundra provides in-shop and field valve services across Western Canada, with capabilities for inspection, troubleshooting, repair, testing, actuation, commissioning, and maintenance.
For shutdowns, turnarounds, and on-site requirements, Tundra can also deploy field technicians and mobile valve service equipment directly to customer facilities.
Valve Service Capabilities
- In-shop valve inspection, repair, and testing
- Control valve service and repair
- Field troubleshooting and repair
- Commissioning and startup support
- Actuator repair and automation
- In-house machining and assembly
- Failure analysis
- Preventative maintenance and reliability programs
- Turnaround and outage support
- Mobile valve service capabilities
Your KOSO Severe Service Valve Partner in Western Canada
01
Severe Service Application Support
Our valve specialists work with process conditions, operating data, and performance challenges to help determine the KOSO valve and trim configuration suited to the service.
02
Valve & Actuation Experience
Tundra’s valve and automation capabilities provide additional support for KOSO severe service valves, including actuation, controls, commissioning, troubleshooting, and repair.
03
Shop, Field & Mobile Service
Tundra’s valve service facilities, field technicians, machining capabilities, and mobile service units provide multiple options for supporting KOSO valves across Western Canada.
Put KOSO to Work in Your Process
Talk to Tundra about your application and explore KOSO severe service valve technologies available across Western Canada.