The Control Loop
The necessary components to provide basic,
single-loop process control
Temperature Regulators
Provide reliable temperature control without the need for an external power source.
Design & Operation
91000
Series
(91000, 91400, 91600)
Thermowells for 91000 Series
Thermal System Selection for 91000 Series
Valve Bodies for 91000 & 91400
Valve Bodies for 91600
91000XT
Series
Tank Thermostat
Thermowells for 91000XT
Pressure Regulators
Suitable for a variety of pressure regulating and pressure reducing applications.
Design & Operation
921
Series (High Capacity)
988
Series (Steam)
1002
Series (Water)
1100
Series (Pipeline Strainer)
Controllers
Electronic PID and Electric Contact controllers providing single-loop control.
Design & Operation
TR890
Series
Electronic PID Controller
L84000
Series
Electronic Contact Controller
Thermal System Selection for L84000
Thermowells for L84000
Controller Accessories
Products required for the design and installation of a complete control loop.
Solenoid Valve
(960 Series)
I/P Transducer
(TA901)
Air Filter / Regulator
(TA987)
Solid State Relay
(TA600)
Enclosure
(TA302)
Temperature Sensors
(RTD & Thermocouple)
Thermowells for Temperature Sensors
Control Valves
Pneumatic and Electric operated valves, available in a variety of body materials including Bronze, Cast Iron and Stainless Steel. Control valves are the final element of a control loop.
Design & Operation
910
Series
Compact Control Valve
910 Valve Body • Bronze (Single Seat)
910 Valve Body • Bronze (Double Seat)
910 Valve Body • Cast Iron (Double Seat)
910 Valve Body • Cast Steel (Single Seat)
910 Valve Body • Stainless Steel (Single Seat)
910T Valve Body • Bronze
910T 3-Way Valve • Bronze
910T 3-Way Valve • Cast Iron
910T 3-Way Valve • Stainless Steel
910EP Valve Body • Bronze (Equal Percentage)
940
Series •
Heavy-Duty Control Valve
940 Valve Body • Bronze (Single Seat)
940 Valve Body • Cast Iron (Single Seat)
940 Valve Body • Cast Iron (Double Seat)
940 Valve Body • Stainless Steel (Single Seat)
940 3-Way Valve • Bronze
940 3-Way Valve • Stainless Steel
940 3-Way Valve • Cast Iron
940E
Series •
Electric Motor Control Valve
940E Valve Body • Bronze (Single Seat)
940E Valve Body • Cast Iron (Single Seat)
940E Valve Body • Cast Iron (Double Seat)
940E Valve Body • Stainless Steel (Single Seat)
940E 3-Way Valve • Bronze
940E 3-Way Valve • Cast Iron
940E 3-Way Valve • Stainless Steel
Technical Information