Spirax Sarco Control Valves
ADCATrol two-way, three-way and self-acting temperature control valves — engineered for precise flow control in industrial steam and process applications.
Product Range
Pneumatic Control Valves
QLM and QLD Series
Spirax Sarco
The QLM and QLD Series are high-performance three-port control valves designed for accurate mixing and diverting control in steam, thermal oil, condensate, compressed air, and industrial process systems. Available in multiple body materials with pneumatic or electric actuation options, these valves provide reliable modulating control, high flow capacity, and stable operation in demanding industrial applications.
QLM & QLD Series
Type: Three-Port Control Valve • Body: Cast Iron / SG Iron / Carbon Steel / Stainless Steel • Sizes: DN15–DN200 • Max Pressure: up to PN40 • Max Temp: up to 400°C • Characteristic: Linear Control • Leakage Class: Class IV / Class VI Soft Seat • Connections: Flanged PN16 / PN25 / PN40
Best for: Mixing & diverting control applications for steam, thermal oil, condensate, compressed air & process fluids
✔ Pneumatic & Electric Actuation ✔ Linear Modulating Control ✔ High Temperature Service
Spira-trolTM Two-port Control Valves
Spirax Sarco
Spira-trol™ two-port control valves are high-performance globe control valves designed for accurate modulating and on/off control of steam, gases, water, oils, and industrial process fluids. Available in cast iron, carbon steel, and stainless steel constructions with pneumatic or electric actuation, these valves provide reliable flow control, high rangeability, and excellent shut-off performance for demanding industrial applications.
LE, LF & LL Series
Type: Two-Port Globe Control Valve • Body: Cast Iron / Carbon Steel / Stainless Steel • Sizes: DN15–DN100 • Max Pressure: up to PN16 / ASME 150 • Max Temp: up to 400°C (538°C for ASME SS) • Characteristic: Equal Percentage / Linear / Fast Opening • Leakage Class: Class IV / Class V / Class VI Soft Seat • Connections: Screwed BSP/NPT & Flanged PN16 / ASME 150
Best for: Modulating & on/off control of steam, gases, water, oils & industrial process fluids
✔ Pneumatic & Electric Actuation ✔ High Rangeability ✔ Low Noise & Anti-Cavitation Options
Steri-trol Aseptic Service 'S' series Two-port Pneumatic Control Valves
Spirax Sarco
Steri-trol ‘S’ series are two-port control valves manufactured using 316L stainless steel. They are designed for modulating control of
clean steam, pure steam and process fluids. The valve is operated by a pneumatic actuator and may be interfaced with a control system
using any of the Spirax Sarco range of positioners.
Steri-trol ‘S’ Series
Type: Aseptic Two-Port Pneumatic Control Valve • Body: 316L Stainless Steel • Sizes: DN15–DN100 • Max Pressure: up to PN16 • Max Temp: up to 200°C • Characteristic: Equal Percentage / Linear • Leakage Class: Class IV Metal Seat / Class VI Soft Seat • Connections: Butt Weld / Tube Weld / Sanitary Clamp / Threaded
Best for: Clean steam, pure steam, pharmaceutical, biotech, food & beverage and aseptic process applications
✔ ASME BPE Compliant ✔ FDA & USP Class VI Approved Seals ✔ Pneumatic Modulating Control
Other Control Valves
Spirax Sarco- Enquire with model number
• Balanced & Multi-stage Trim Control Valves
• ‘C’ Series Valve Options
• CE43 Carbon Steel Cage Type Control Valves
• DM Type Solenoid Valves
• PF51G Bronze Piston Actuated On/Off Valves
• PF6 Stainless Steel Piston Actuated On/Off Valves
• QLM & QLD Three-Port Control Valves
• Spira-trol Two-Port Control Valves
For enquiries regarding these products, please email us with the valve model number, operating conditions, and required specifications for proper selection and sizing.
Enquire About Spirax Sarco Control Valves
If you don’t find what you are looking for you can always mail us with your requirement as this catalogue for Spirax Control Valves is not complete and we can check with Spirax Sarco for any product not mentioned here.
