TianKang HongJi QFF3 Five Valve Manifold

TianKang HongJi Coplanar Five Valve Manifold is specifically designed for Rosemount 3051 pressure transmitters, ensuring precise differential pressure measurement and reliable instrument isolation. Featuring double block and double bleed functions, it allows safe venting, calibration, and pressure equalization in critical process systems. The coplanar design offers compact installation, reduced leak paths, and enhanced operational safety, making it ideal for applications in oil & gas, chemical, petrochemical, power generation, and other industrial processes. This manifold ensures stable performance, long service life, and efficient maintenance for high-accuracy instrumentation.

TianKang HongJi Instrumentation Coplanar Two Valve Manifold, manufactured by Hongji Instrument & Valve Manufacturing Co., Ltd., integrates multiple valves into a single compact body with versatile connections. This manifold is designed to support pressure instruments such as pressure gauges, pressure transmitters, and differential pressure transmitters, facilitating accurate measurement and safe operation. It enables direct and indirect measurement, calibration, and equalization of pressures, including differential, static, gauge, and variable pressures in process instrumentation lines. Equipped with reliable block (shut-off) and bleed (venting) functions, the manifold ensures safe isolation, controlled venting, and precise pressure equalization during system maintenance or calibration. Its robust design enhances operational safety, reduces leak paths, and improves efficiency for applications across oil & gas, chemical, petrochemical, and industrial automation processes.

TianKang HongJi Coplanar Three-Valve Manifold, engineered and manufactured by Hongji Instrument & Valve Manufacturing Co., Ltd., integrates multiple valve functions into a single, compact unit with versatile connection options. This robust and precision-crafted manifold plays a critical role in process instrumentation by enabling direct and indirect support for pressure measurement devices—including pressure gauges, pressure transmitters, and differential pressure transmitters. Through its efficient bleeding, blocking, and calibration capabilities, the manifold ensures accurate measurement and equalization of various pressure types—such as differential, static, gauge, and variable pressures—across industrial process lines. Designed for reliability and ease of operation, it enhances system safety, simplifies maintenance, and improves calibration workflows, making it an essential component in modern automation and control systems.

The Hongji Integral Five Valve Manifold is a precision-engineered assembly that consolidates five valve functions into a single, robust body, serving as a critical control hub for differential pressure measurement systems. It is specifically designed to interface directly with differential pressure transmitters, enabling safe and accurate measurement of differential, static, and line pressures. Through its integrated configuration, the manifold provides essential capabilities for pressure equalization—effectively protecting the sensitive diaphragm of the DP transmitter—as well as for instrument isolation, impulse line venting (bleeding), and in-line calibration. This all-in-one design not only streamlines complex operational procedures but also significantly enhances system safety by minimizing potential leak points, thereby ensuring reliable performance and extended service life for your critical process instrumentation.

The TianKang HongJi Differential Pressure Two-Valve Manifold, engineered by Hongji Instrument & Valve Manufacturing Co., Ltd., is a compact and integral valve assembly designed as a primary safeguard for differential pressure (DP) measurement systems. It seamlessly integrates two critical valve functions into a single, robust body, serving as a direct and reliable interface for pressure gauges, pressure transmitters, and particularly differential pressure transmitters. This manifold is essential for performing safe and efficient isolation and equalization of pressures. By allowing operators to block the process pressure and simultaneously equalize pressure across the DP cell, it effectively prevents sensor overrange and damage during system start-up, shutdown, or routine maintenance. Its streamlined design not only simplifies installation and reduces potential leak points but also ensures the long-term accuracy and operational integrity of your critical process instrumentation.

The TianKang HongJi Integral Three-Valve Manifold from Hongji Instrument & Valve Manufacturing Co., Ltd. is a precision-engineered valve assembly that integrates three critical functions—blocking, bleeding, and equalizing—into a single, compact body. Designed as a central control point for pressure instruments like gauges, transmitters, and differential pressure transmitters, it ensures system safety and operational efficiency. This manifold enables safe isolation, pressure equalization to protect sensitive DP cells, in-line calibration, and venting, all while minimizing leak points and simplifying maintenance in process instrumentation lines.

      TianKang HongJi Integral Three Valve Manifold with Plug, manufactured by Hongji Instrument & Valve Manufacturing Co., Ltd., is a compact and durable solution that integrates multiple valves into a single solid body for efficient pressure control. Designed for direct or indirect connection with pressure gauges, pressure transmitters, and differential pressure transmitters, this manifold enables precise measurement and equalization of static, gauge, and differential pressures within process instrumentation lines. Its engineered configuration supports reliable bleeding, blocking, and calibration functions, ensuring stable operation, enhanced system safety, and reduced maintenance in demanding industrial environments such as oil & gas, chemical processing, power generation, and general automation systems.

TianKang HongJi Coplanar Five Valve Manifold (for Gas) is designed for precise and safe natural gas transmission control, integrating two isolate valves, two equalize valves, and one vent valve in a compact sector-shaped body. Engineered with corrosion-resistant materials and optimized flow paths, it ensures reliable isolation, calibration, and pressure measurement for gas pipelines, metering stations, and instrumentation skids, providing long-term stability, low leakage, and dependable performance in demanding natural gas environments.