Pneumatic Control Valves

Product Description: Wuzhong Instrument adopts the 6S management mode of lean production to strive for excellence in producing high-precision control valves. Our focus lies in utilizing equipment automation as the foundation, complemented by advanced multi-functional flow test benches and inspection and testing equipment for meticulous evaluations. Spanning over 2,000 square meters, our company houses 12 laboratories of various kinds. These facilities are equipped with over 2

Power-Genex SS2 Smart Valve Positioner Product Overview The Power-Genex SS2 Smart Valve Positioner is an advanced, intelligent solution for precise valve control in industrial automation. Designed for both linear and rotary valves, it utilizes innovative piezo technology and supports 4-20 mA input with optional HART, Profibus PA, or Fieldbus Foundation communication. With its compact design and easy auto-calibration, the SS2 ensures seamless integration and reliable

Neles ND7106HX8 Electro-Pneumatic Smart Valve Positioner Product Overview The Neles ND7106HX8 is a high-performance electro-pneumatic smart valve positioner designed for precise control of linear and rotary valves. As part of the Neles ND7000 Series, it combines robust construction with advanced digital diagnostics to optimize process efficiency. This Valmet-engineered controller supports HART communication and adapts to single/double-acting actuators, making it ideal for

Neles ND9000 Series Intelligent Pneumatic Valve Positioner with HART Communication Product Overview The Neles ND9000 Series is a cutting-edge OEM customized pneumatic diaphragm valve positioner designed for precise control of linear and rotary valves. As a HART-enabled smart valve controller, it integrates advanced diagnostics and adaptive control algorithms to optimize process performance across industries. This digital valve controller supports both single and double-acting

Spirax Sarco SP400: Smart Positioning for Precise Valve Control ​ Product Overview The Spirax Sarco SP400 is a loop - powered digital valve positioner for linear and quarter - turn pneumatic valves, ideal for users wanting smart features without complexity. ​ Features ​ Precision Control : Using 4 - 20 mA input and Hall - effect sensors, it automatically adjusts air pressure to counteract friction and flow forces, maintaining accurate valve position. A digital display shows

Foxboro SRD960, SRD991, SRD998 Smart Positioners Product Overview The Foxboro SRD960, SRD991, and SRD998 Smart Positioners are reliable digital solutions for valve automation, featuring advanced diagnostics and robust performance for rotary and linear actuators. The SRD960 provides essential control with basic diagnostics, the SRD991 adds HART communication and partial stroke testing for integrity checks, and the SRD998 offers comprehensive valve signature analysis for

Neles ND9000 Intelligent Valve Positioner Product Overview The Neles ND9000 Intelligent Valve Positioner is a state-of-the-art solution designed for precise and sustainable valve control across all industrial sectors. Equipped with advanced diagnostics, HART, FOUNDATION Fieldbus, and Profibus PA communication, the ND9000 ensures seamless integration with major DCS systems. Its robust, modular design and low energy consumption make it a future-proof choice for optimizing valve

Neles ND9000 Positioner with Pressure Balanced Single Seat Control Valve Product Overview The Neles ND9000 Intelligent Valve Positioner, paired with a China Pressure Balanced Single Seat Control Valve, delivers unmatched precision and reliability for flow control in demanding industrial environments. The ND9000, a top-tier smart positioner, features advanced diagnostics, HART, FOUNDATION Fieldbus, and Profibus PA communication, ensuring seamless integration and proactive

Flowserve Logix 520MD, 3200MD, 3800 Digital Positioners Product Overview The Flowserve Logix 520MD, 3200MD, and 3800 Digital Positioners represent the pinnacle of valve control technology, delivering precise positioning, advanced diagnostics, and robust performance for industrial applications. Engineered with state-of-the-art piezo technology and supporting HART and Foundation Fieldbus communication, these positioners ensure seamless integration and optimal control for both

Low-Temperature Single-Seat Control Valve with Azbil Positioner Product Overview The Chinese Low-Temperature Single-Seat Control Valve, paired with an Azbil Smart Valve Positioner, delivers unparalleled precision and reliability for flow control in cryogenic and low-temperature industrial applications. Engineered for environments as cold as -196°C, the valve features a robust single-seat design for tight shut-off and precise modulation, ideal for LNG, petrochemical, and

Masoneilan SVI II AP Digital Valve Positioner Product Overview The Masoneilan SVI II AP Digital Valve Positioner is a state-of-the-art solution designed for safe and intelligent valve automation in critical industrial environments. Featuring a 32-bit microprocessor and HART communication, it delivers precise control of pneumatic actuators using a 4-20 mA signal. Its non-contact position sensing and advanced diagnostics reduce process variability and enhance safety, making it

Samson Type 3730-3 Electropneumatic Positioner – The Reliable HART Positioner for General Use Product Overview The Samson Type 3730-3 is a single-acting electropneumatic positioner with HART communication for mounting on pneumatic linear and rotary actuators. It's a straightforward, self-calibrating unit that automatically adapts to the valve and actuator. Many plants choose it for standard control loops because it's easy to operate, has a clear display, and works reliably in

Product Overview The Valworx 5299 series is a digital smart electro-pneumatic positioner that takes a 4-20mA input and gives precise control to quarter-turn air actuators. Many customers buy it packaged with a direct-mount SMC solenoid valve for fast on/off or fail-safe operation. It's popular for upgrading pneumatic valves to smart control with diagnostics, making it a common choice in process lines where accuracy and low air use matter. Features Clear multi-function digital

Product Overview The Valworx 5298 series is a digital smart valve positioner that converts a 4-20mA input signal into proportional pneumatic output for quarter-turn actuators. Many plants pair it with a direct-mount SMC solenoid valve for fast open/close control or fail-safe operation. It's the go-to choice for ball valves, butterfly valves, and other air-actuated valves where precise positioning and diagnostics are needed without high cost. Features Multi-function digital

Festo DFPD Quarter Turn Actuator with CMSH Digital Valve Positioner Product Overview The Festo DFPD quarter turn actuator with CMSH digital valve positioner is an integrated pneumatic valve automation solution designed for precise control of rotary valves. The DFPD actuator provides reliable quarter turn motion, while the CMSH digital positioner ensures accurate positioning and stable control performance. This combination is widely used for butterfly valves ball valves and

Product Overview The TS600 is a pneumatic positioner often used on rotary actuators. It converts the 3-15 psi signal to accurate valve movement. It's a basic model for plants that run pneumatic control loops on quarter-turn valves. Main Features Cam feedback for rotary Easy on-site adjustment Direct or reverse action Stable in vibration Compatible with NAMUR Technical Specifications Input 3-15 psi Supply 1.4-7 bar Angle Rotary up to 90° Protection IP66 Applications Butterfly

Flowserve Logix 3800 and 3800E Digital Valve Positioner Advanced Digital Control Valve Positioners for Industrial Automation Product Overview The Flowserve Logix 3800 and Logix 3800E Digital Valve Positioners are advanced electro-pneumatic positioners engineered to deliver precise, repeatable valve control in automated process systems. Both models combine fast response, digital control algorithms, and diagnostic functionality to improve process stability, reduce variability,

Masoneilan SVI II AP Digital Valve Positioner The positioner plants use when they need high accuracy and fast response on control valves Product Overview The SVI II AP is an advanced digital valve positioner from Masoneilan. It gives precise control for linear and rotary valves in process industries. Many sites use it because it responds quickly, has good diagnostics, and works with HART. It's the version for higher performance compared to the basic models. Key Features High

FLOWSERVE MARK ONE Linear Globe Angle Control Valve Product Overview The Flowserve Mark One Linear Globe Angle Control Valve is a versatile and high-performance control valve designed for precise regulation of flow, pressure, temperature, and level in industrial process systems.Built with a robust body and flexible trim options, the Mark One valve delivers dependable performance in a wide range of services including liquids, gases, and steam. The Mark One series features both

New OEM Pneumatic Intrinsically Safe Exia Display Foxboro SRD991 Intelligent Valve Control Valve Positioner Product Overview The Foxboro SRD991 Intelligent Valve Positioner is a digital smart positioner designed for precise pneumatic valve control in industrial automation applications. Features rugged housing with advanced microprocessor control and high positioning accuracy Reduces air consumption and extends control valve service life Boosts process efficiency through