Pneumatic Control Valves

Product Overview The AUMA SA Series valve assembly is supplied as a factory-matched package. A multi-turn electric actuator is mounted on a gate or globe valve and tested as a complete unit before shipment. This approach speeds up on-site installation and eliminates the risk of mismatched components. The actuator generates torque from 10 Nm to 32,000 Nm through a 3-phase AC, 1-phase AC, or DC motor. Limit and torque switches provide precise end-position feedback, and a

Product Overview The Tissin TS800 is a smart valve positioner that receives a 4-20mA DC input signal from a control room, DCS, or signal generator and proportionally adjusts the pneumatic pressure to the valve actuator, precisely controlling valve opening. The built-in microprocessor enables auto-setting, PID control, and HART communication. The unit features an LCD display and four pushbuttons for quick and easy local calibration. It includes a Partial Stroke Test (PST)

Product Overview The Samson 3725 is a compact, self-calibrating electropneumatic positioner for pneumatic globe and rotary valves. It is a single-acting device that compares the control signal from the system with the actual valve stem position or opening angle, then sends a proportional pneumatic output to the actuator. Non-contact magnetoresistive sensing eliminates mechanical wear in the feedback path. The unit resists environmental effects and steam hammering. Three

Tissin TS900 TS905 Smart Valve Positioner for Pneumatic Control Valves Product Overview The Tissin TS900 / TS905 is a smart valve positioner used to control pneumatic valve actuators from a 4–20 mA DC input signal. It is designed for both linear and rotary control valve applications. The positioner monitors the commanded valve position and regulates pneumatic pressure to the actuator accordingly. For users comparing the two models, the key difference is the body construction:

Flowserve Logix 520MD Plus Digital HART Valve Positioner Product Overview Adopts advanced piezoelectric technology with 4–20mA two-wire HART 5/6/7 communication for valve actuator control. Built-in over 130 valve diagnostic alarms, supporting ValveSight DTM software for real equipment health monitoring. Supports on-site quick auto-calibration and local jog operation without handheld communicator. Technical Specifications Category Official Standard Parameters Input Signal 4

Product Overview The Neles ND9000 is a microcontroller-based intelligent valve controller. It provides precise control of pneumatic actuators. The device operates on a 4-20mA loop or fieldbus power and continually compares the input signal with the actual valve position to adjust the actuator. It is compatible with virtually every control valve actuator across all industries. Contactless position measurement eliminates mechanical wear in the feedback path. The same unit

Product Overview The KOSO EP800 is an electro-pneumatic valve positioner for pneumatic actuator-operated control valves. It receives a DC 4-20mA signal from a controller and converts it into output air pressure to drive the actuator. Simultaneously, it detects and feeds back the actuator displacement to provide accurate positioning in response to the input signal. The EP800 series works with both single-acting and double-acting actuators. Three main types are available:

Tissin TS900 TS905 Smart Valve Positioner Product Overview The Tissin TS900 and TS905 Smart Valve Positioners are electro-pneumatic valve positioners designed to control the stroke of pneumatic control valves according to a 4–20 mA DC input signal. The positioner receives the control signal from a control system, DCS or signal source and adjusts the air pressure supplied to the valve actuator. This allows the actuator and valve to follow the required input position. The TS900

Product Overview The KOSO EP800 is an electro-pneumatic valve positioner designed for positioning pneumatic actuator-operated control valves. It receives a DC 4-20mA signal from a controller and converts it into output air pressure to control the actuator. Simultaneously, it detects and feeds back the actuator displacement to provide accurate positioning in response to the input signal. The EP800 series can be used with both single-acting and double-acting actuators. It is

Neles ND9103HX8T / ND9106HX8T Intelligent Valve Positioner Product Overview The Neles ND9103HX8T and ND9106HX8T are intelligent digital valve positioners from the ND9000 series. They are used to control pneumatic valve actuators by converting a 4–20 mA control signal into pneumatic output and continuously monitoring valve position. The two models are designed for different actuator configurations. ND9103HX8T is for single-acting actuators , while ND9106HX8T is for double

Neles Valmet ND7000 ND9000 ND9103HX8T ND9206HE8T Pneumatic Smart Digital Valve Controller Positioner Product Overview Universal Compatibility: Designed for all control valve actuators (rotary/linear, single/double-acting) across industries Smart Diagnostics: ND9000 series features superior diagnostics for proactive maintenance; ND7000 offers basic self-diagnostics Future-Proof Design: SIL 2 approved, hot swap support, and low power consumption for long-term reliability

Flowserve Logix 520MD Digital Valve Positioner The Flowserve Logix 520MD is a two-wire digital valve positioner with HART communication, designed for precise control of single-acting pneumatic actuators on linear and rotary valves. It is powered by the 4-20 mA input signal and uses electronic control combined with a pneumatic output stage to position the valve accurately according to the command signal. Product Overview This positioner features simple local configuration and

Original In-Stock F-isher 3660/3661/3852/3582i Ball Gas OEM Electro-Pneumatic Valve Positioners Product Overview Classic F-isher valve control series including pneumatic positioners, electro-pneumatic positioner and position transmitter Universal mounting design compatible with both linear and rotary pneumatic actuators Rugged industrial construction for stable long-term service in harsh process conditions Technical Specifications Category Core Parameters Control Performance

Product Overview This AUMA SA Series valve assembly is supplied as a factory-matched package. The multi-turn electric actuator is mounted on a gate or globe valve and tested as a complete unit before leaving the plant. On-site installation is therefore quicker, and the risk of component mismatch disappears. The actuator generates torque between 10 Nm and 32,000 Nm using a 3-phase AC, 1-phase AC, or DC motor. Limit and torque switches provide precise end-position feedback, and

Product Overview When paired with gate, globe, or other multi-turn valves, the AUMA SA Series electric actuator delivers dependable torque transmission across a 10 Nm to 32,000 Nm range. It handles open-close and positioning duty with precision, using limit and torque switches for accurate end-position control. SA-type actuators for open-close duty carry Class A and B ratings or short-time duty S2 – 15 min. An optional S2 – 30 min version is available for longer running times

Product Overview The Flowserve Logix 520MD is an advanced digital valve positioner that communicates over HART. It receives a two-wire 4-20mA signal and generates a proportional pneumatic output to move a valve actuator. The unit draws all its power from the 4-20mA loop and works with single-acting actuators in both linear and rotary configurations. The positioner employs a multi-variable gain tuning algorithm. This lets it handle large step changes with minimal overshoot

Product Overview The Flowserve Logix 520MD is a high-performance digital valve positioner that communicates over HART. It accepts a two-wire 4-20mA control signal and delivers a proportional pneumatic output to a valve actuator. The unit is powered entirely by the 4-20mA input signal and controls single-acting actuators with linear and rotary mountings. The positioner uses a multi-variable gain tuning algorithm that allows large step changes with minimal overshoot while

Product Overview The Foxboro SRD991 is a microprocessor-based intelligent valve positioner designed to accurately control pneumatic valve actuators. It supports single-acting and double-acting actuators for both linear and rotary applications. The device offers local configuration via push-buttons and a multilingual graphical LCD, advanced self-diagnostics, and multiple communication options. The positioner features an easy-to-operate, menu-driven graphical LCD with

Product Overview The Rotork YTC YT-3300 smart valve positioner delivers accurate valve stroke control based on a 4-20mA command from the controller. It is built for pneumatic linear and rotary valve actuators and works in both ordinary and hazardous industrial environments. The Rotork YTC positioner family is a flagship line, known for dependable performance across many applications. The YT series includes auto calibration with a straightforward menu, an alphanumeric LCD for

Product Overview The Samson 3730-3 is an electropneumatic valve positioner with HART communication, designed for attachment to pneumatic control valves. It is a single-acting or double-acting positioner that compares the input control signal from the control system with the actual valve travel or rotation angle, then outputs a corresponding pneumatic signal to the actuator. The positioner is self-calibrating and automatically adapts to the control valve and pneumatic actuator