




The SAMSON Group of companies develop and manufacture the highest quality control valves which increase your plants efficiency and hence reduce maintenance costs. The SAMSON Group manufacture and distribute quality engineered globe, rotary plug, ball, and butterfly control valves along with actuation and control equipment that utilise the latest in digital communication technology.

Solutions for Industry 4.0
Imagine your system could talk. SAMSON makes it possible. With the TROVIS 3797, the world's first and only Ethernet-APL-capable positioner, Samson are revolutionizing the process industry. This intelligent positioner is your gateway to networked production and your pioneer into the future of automation.

REDUCING PLANT INVESTMENT AND OPERATIONAL COSTS WITH SCHROEDAHL AUTOMATIC RECIRCULATION VALVES
For offshore platforms, FPSO or FSO ships as well as in refineries, chemical plants, nuclear, biomass and EfW power plants.

SCHROEDAHL is one of the leading international suppliers of high class specialty valves for industrial plants and processing systems, as well as conventional power plants.
Developing solutions beyond normal standards is among the challenges SCHROEDAHL successfully manages every day.
| 1981 - 2026 | Serving industry for 45 Years |
As an independent business, Control Valve Systems is proud to be the main distributor of Samson, Schroedahl and Valveseal valves in Scotland. Our commitment to precision engineering and exceptional reliability ensures we provide only the highest quality valves to meet the diverse needs of our clients across a wide range of industries. We supply innovative control valve packages which are designed to enhance system efficiency and reduce maintenance costs, making them the ideal choice for demanding applications.
At Control Valve Systems, we offer expert guidance, authentic products, and comprehensive after-sales support. Our experienced team is dedicated to helping you select the perfect control valve for your requirements, ensuring optimal performance and longevity. Trust us to deliver the solutions you need to keep your operations running smoothly and efficiently.
For more information or to discuss your specific needs, please contact us today. We look forward to serving you with the same dedication and excellence that has defined our business for the past 45 years.
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Control Valve Systems (CVS) has long been a trusted supplier of high-performance valves for the chemical industry, supporting process automation with a robust and versatile product portfolio. Our close collaboration with leading valve manufacturers ensures that we supply valve solutions that meet or exceed industry standards in a wide range of chemical process applications.
We offer valves in modular configurations for both light and heavy-duty use, manufactured from standard and exotic alloys to meet DIN, ANSI, and JIS specifications. Our product lineup includes high-pressure valves, forged bodies, live-loaded packings, metal bellows, pressure-balanced plugs, and specialized trims designed for corrosion resistance, low noise, and minimal wear. CVS also supplies advanced accessories such as positioners, boosters, solenoids, and communication-ready devices to support modern automation, asset management, and predictive maintenance strategies.

Control Valve Systems (CVS) supports the power and energy sector with reliable control valve solutions essential for safe and efficient plant operation. From standard control valves to specialized feedwater and recirculation valves, steam pressure reducing stations, and desuperheaters, CVS delivers high-performance equipment tailored to meet the demanding needs of power generation.
Our product range includes globe, angle, and Z-type valves available in cast or forged bodies, with flanged or welded end connections. CVS supplies these valves with pneumatic, electric, or hydraulic actuators, all compatible with conventional or bus-based control systems, including HART®, FOUNDATION™ fieldbus, and PROFIBUS. We also offer single- or multi-stage trims and perforated plug designs for precise control across high pressure drops, ensuring durability and efficiency in all operating conditions.

Efficient control is at the heart of every successful district energy and building automation system. At CVS, we provide the technologies that make it possible to balance energy performance with occupant comfort—whether in residential blocks, commercial offices, or large-scale industrial complexes.
Our product offering includes self-acting regulators, electric control valves with built-in safety functions, and user-friendly smart controllers. Designed for use in district heating, cooling, and local energy networks, these solutions ensure stable operation, reduced energy consumption, and simplified system integration. With a strong focus on reliability and adaptability, CVS helps engineers and facility managers build smarter, more sustainable infrastructure.

Reliable process control is essential across general industrial applications, where precision and efficiency directly impact productivity and operational costs. CVS supplies robust, maintenance-friendly valve solutions engineered to handle a wide range of process conditions—from flow and pressure control to temperature regulation.
Our modular valve systems offer exceptional flexibility with self-operated, pneumatic, or electric actuation options, and support for various pipeline connections including flanged and sandwich-style designs. Paired with proven valve accessories and smart components like integrated electric actuators and process controllers, CVS solutions help streamline operations, minimize downtime, and enhance overall plant efficiency.

Hygiene, precision, and reliability are critical in food and beverage processing—and CVS provides control solutions that meet the industry’s highest standards. Our aseptic valves are designed specifically for sterile applications, using FDA-compliant materials and hygienic designs to ensure clean and safe operation throughout the production cycle.
CVS offers valves compatible with a wide range of industry-standard connections, including Tri-Clamp®, hygienic couplings, flanges, and welding ends. Our control valves and instrumentation help manufacturers maintain strict quality control while optimizing efficiency and compliance.

From deep mining operations to metal extraction and slurry control, harsh environments demand rugged, dependable equipment. CVS delivers control valve solutions engineered to withstand the extreme conditions typical of mining and ore processing—where abrasion, corrosion, and vibration are the norm.
Our range includes self-operated regulators and robust control valves ideal for venting, cooling, and dewatering shafts, as well as handling aggressive slurries used in chemical leaching processes. Designed for durability and minimal maintenance, CVS valves also support critical water recovery and treatment tasks. With smart accessories like integrated positioners for predictive maintenance and data communication, we help mining operations stay efficient, safe, and environmentally responsible.
Operating in some of the world’s most demanding environments, the oil and gas industry requires control solutions built for reliability, resilience, and performance. CVS provides rugged, corrosion-resistant valves and automation equipment designed to handle the full spectrum of upstream and downstream applications—onshore, offshore, and everything in between.
Our modular valve systems are available in a wide range of materials, pressure classes, and configurations, including stainless steel options built to endure offshore and FPSO conditions. For LNG applications, we offer cryogenic-ready solutions that meet stringent safety standards. With smart valve accessories enabling real-time diagnostics and predictive maintenance, CVS helps oil and gas operators maintain safety, optimize performance, and reduce unplanned downtime—even in the harshest environments.

Precision and purity are non-negotiable in pharmaceutical and biotech processes, where even minimal contamination can compromise product integrity. CVS offers aseptic control valves specifically engineered to meet the industry’s rigorous standards for hygiene, safety, and control accuracy.
Manufactured from high-grade stainless steel with polished or electropolished finishes, our valve bodies ensure ultra-smooth, cavity-free surfaces that comply with FDA and EHEDG guidelines. Compatible with CIP and SIP protocols, and sealed using EPDM or PTFE diaphragms, these valves are ideal for sterile environments. With a focus on exact dosing and precise flow control, CVS solutions help safeguard process reliability and product purity in even the most sensitive pharmaceutical and biotech applications.

Maritime operations demand equipment that performs reliably under constant exposure to saltwater, vibration, and extreme weather. CVS supplies control valves built to meet the unique challenges of marine environments, ensuring dependable performance on cargo ships, cruise liners, and offshore vessels.
Our corrosion-resistant globe and three-way valves are engineered for durability and have been certified by major classification societies, including DNV, Class NK, CCS, and Bureau Veritas Marine. Designed for long service life, they feature compact, vibration-resistant assemblies with integral positioners for precise control—even in the harshest sea conditions. CVS solutions help keep marine systems running smoothly, safely, and efficiently across the world’s oceans.
Managing water resources responsibly requires reliable control systems that support both purity and efficiency. CVS offers durable valve solutions and automation equipment for water supply, treatment, and wastewater applications—ensuring safety, compliance, and long-term performance.
Our valves and self-operated regulators are designed to handle high flow velocities, elevated temperatures, and aggressive media, all while meeting strict hygiene and corrosion resistance standards. Ideal for drinking water systems, desalination plants, and combined solar-water installations, CVS components are built to maintain water quality and operational stability. With added instrumentation like sensors and controllers, we provide complete control solutions for the entire water cycle.

Handling fibrous media and high-volume flow with precision is key to efficient pulp and paper production. CVS provides control valves and automation solutions specifically designed for the demanding conditions of pulp processing and papermaking—where reliability, control accuracy, and durability are essential.
Our valves manage everything from raw fiber slurry to steam used in energy transfer, ensuring consistent performance throughout mechanical and chemical treatment stages. With fine-tuned control over fresh water usage, basis weight, and humidity profiles, CVS solutions help optimize drying processes and reduce environmental impact. Smart valve accessories ena
ble real-time monitoring, alarm handling, and predictive maintenance to keep operations running smoothly and efficiently.
Control Valve Systems (CVS) has long been a trusted supplier of high-performance valves for the chemical industry, supporting process automation with a robust and versatile product portfolio. Our close collaboration with leading valve manufacturers ensures that we supply valve solutions that meet or exceed industry standards in a wide range of chemical process applications.
We offer valves in modular configurations for both light and heavy-duty use, manufactured from standard and exotic alloys to meet DIN, ANSI, and JIS specifications. Our product lineup includes high-pressure valves, forged bodies, live-loaded packings, metal bellows, pressure-balanced plugs, and specialized trims designed for corrosion resistance, low noise, and minimal wear. CVS also supplies advanced accessories such as positioners, boosters, solenoids, and communication-ready devices to support modern automation, asset management, and predictive maintenance strategies.

Control Valve Systems (CVS) supports the power and energy sector with reliable control valve solutions essential for safe and efficient plant operation. From standard control valves to specialized feedwater and recirculation valves, steam pressure reducing stations, and desuperheaters, CVS delivers high-performance equipment tailored to meet the demanding needs of power generation.
Our product range includes globe, angle, and Z-type valves available in cast or forged bodies, with flanged or welded end connections. CVS supplies these valves with pneumatic, electric, or hydraulic actuators, all compatible with conventional or bus-based control systems, including HART®, FOUNDATION™ fieldbus, and PROFIBUS. We also offer single- or multi-stage trims and perforated plug designs for precise control across high pressure drops, ensuring durability and efficiency in all operating conditions.

Efficient control is at the heart of every successful district energy and building automation system. At CVS, we provide the technologies that make it possible to balance energy performance with occupant comfort—whether in residential blocks, commercial offices, or large-scale industrial complexes.
Our product offering includes self-acting regulators, electric control valves with built-in safety functions, and user-friendly smart controllers. Designed for use in district heating, cooling, and local energy networks, these solutions ensure stable operation, reduced energy consumption, and simplified system integration. With a strong focus on reliability and adaptability, CVS helps engineers and facility managers build smarter, more sustainable infrastructure.

Reliable process control is essential across general industrial applications, where precision and efficiency directly impact productivity and operational costs. CVS supplies robust, maintenance-friendly valve solutions engineered to handle a wide range of process conditions—from flow and pressure control to temperature regulation.
Our modular valve systems offer exceptional flexibility with self-operated, pneumatic, or electric actuation options, and support for various pipeline connections including flanged and sandwich-style designs. Paired with proven valve accessories and smart components like integrated electric actuators and process controllers, CVS solutions help streamline operations, minimize downtime, and enhance overall plant efficiency.

Hygiene, precision, and reliability are critical in food and beverage processing—and CVS provides control solutions that meet the industry’s highest standards. Our aseptic valves are designed specifically for sterile applications, using FDA-compliant materials and hygienic designs to ensure clean and safe operation throughout the production cycle.
CVS offers valves compatible with a wide range of industry-standard connections, including Tri-Clamp®, hygienic couplings, flanges, and welding ends. Our control valves and instrumentation help manufacturers maintain strict quality control while optimizing efficiency and compliance.

From deep mining operations to metal extraction and slurry control, harsh environments demand rugged, dependable equipment. CVS delivers control valve solutions engineered to withstand the extreme conditions typical of mining and ore processing—where abrasion, corrosion, and vibration are the norm.
Our range includes self-operated regulators and robust control valves ideal for venting, cooling, and dewatering shafts, as well as handling aggressive slurries used in chemical leaching processes. Designed for durability and minimal maintenance, CVS valves also support critical water recovery and treatment tasks. With smart accessories like integrated positioners for predictive maintenance and data communication, we help mining operations stay efficient, safe, and environmentally responsible.
Operating in some of the world’s most demanding environments, the oil and gas industry requires control solutions built for reliability, resilience, and performance. CVS provides rugged, corrosion-resistant valves and automation equipment designed to handle the full spectrum of upstream and downstream applications—onshore, offshore, and everything in between.
Our modular valve systems are available in a wide range of materials, pressure classes, and configurations, including stainless steel options built to endure offshore and FPSO conditions. For LNG applications, we offer cryogenic-ready solutions that meet stringent safety standards. With smart valve accessories enabling real-time diagnostics and predictive maintenance, CVS helps oil and gas operators maintain safety, optimize performance, and reduce unplanned downtime—even in the harshest environments.

Precision and purity are non-negotiable in pharmaceutical and biotech processes, where even minimal contamination can compromise product integrity. CVS offers aseptic control valves specifically engineered to meet the industry’s rigorous standards for hygiene, safety, and control accuracy.
Manufactured from high-grade stainless steel with polished or electropolished finishes, our valve bodies ensure ultra-smooth, cavity-free surfaces that comply with FDA and EHEDG guidelines. Compatible with CIP and SIP protocols, and sealed using EPDM or PTFE diaphragms, these valves are ideal for sterile environments. With a focus on exact dosing and precise flow control, CVS solutions help safeguard process reliability and product purity in even the most sensitive pharmaceutical and biotech applications.

Maritime operations demand equipment that performs reliably under constant exposure to saltwater, vibration, and extreme weather. CVS supplies control valves built to meet the unique challenges of marine environments, ensuring dependable performance on cargo ships, cruise liners, and offshore vessels.
Our corrosion-resistant globe and three-way valves are engineered for durability and have been certified by major classification societies, including DNV, Class NK, CCS, and Bureau Veritas Marine. Designed for long service life, they feature compact, vibration-resistant assemblies with integral positioners for precise control—even in the harshest sea conditions. CVS solutions help keep marine systems running smoothly, safely, and efficiently across the world’s oceans.
Managing water resources responsibly requires reliable control systems that support both purity and efficiency. CVS offers durable valve solutions and automation equipment for water supply, treatment, and wastewater applications—ensuring safety, compliance, and long-term performance.
Our valves and self-operated regulators are designed to handle high flow velocities, elevated temperatures, and aggressive media, all while meeting strict hygiene and corrosion resistance standards. Ideal for drinking water systems, desalination plants, and combined solar-water installations, CVS components are built to maintain water quality and operational stability. With added instrumentation like sensors and controllers, we provide complete control solutions for the entire water cycle.

Handling fibrous media and high-volume flow with precision is key to efficient pulp and paper production. CVS provides control valves and automation solutions specifically designed for the demanding conditions of pulp processing and papermaking—where reliability, control accuracy, and durability are essential.
Our valves manage everything from raw fiber slurry to steam used in energy transfer, ensuring consistent performance throughout mechanical and chemical treatment stages. With fine-tuned control over fresh water usage, basis weight, and humidity profiles, CVS solutions help optimize drying processes and reduce environmental impact. Smart valve accessories ena
ble real-time monitoring, alarm handling, and predictive maintenance to keep operations running smoothly and efficiently.