The HDI 2200 Choke Position Indicator System is a battery-powered, intrinsically safe solid-state electronic gauge designed to monitor choke valve positions in oil and gas operations with high accuracy. It displays choke position in 1% increments from fully closed to fully open (0% to 100%) using a three-digit numeric readout alongside an analog bar graph segmented into 101 divisions for both precise measurement and quick visual trend analysis.

The system interfaces with linear, rotary, or retractable potentiometers housed in stainless steel enclosures. This flexibility allows for straightforward adaptation across many choke configurations without the need for onsite customization. The sealed stainless steel housing and solid-state electronics enable the 2200 to operate reliably in harsh field conditions, including high vibration environments typical in land and offshore drilling.

Its compact display unit measures approximately 8 by 8 by 4 inches and weighs around 5 pounds. The system is powered by an intrinsically safe 3.6V DC battery pack, with a low battery indicator to ensure timely maintenance and uninterrupted operation. Field-repairable components minimize downtime and allow for easy servicing. The system supports dual sensors for integration with human-machine interfaces (HMI) or programmable logic controllers (PLC), enabling remote monitoring and automation. The 2200 system replaces traditional pneumatic indicators, eliminating the need for air lines and reducing maintenance complexity, while offering a simple calibration interface to facilitate setup and ongoing adjustments.

The 2 Valve Manifold T Type – Pipe to Flange 1/2” Female NPT is designed to provide a reliable and compact solution for connecting impulse lines to pressure transmitters and gauges. This manifold allows operators to safely isolate instruments from the process for maintenance, calibration, or testing, without the need to shut down the system. The T-type configuration features two valves that control flow to and from the instrument, enabling efficient block, bleed, and vent operations.

The pipe-to-pipe design ensures a direct connection to the piping system, which reduces potential leak points and simplifies installation. It is suitable for high-pressure applications, with a standard working pressure of 6000 PSI and options available for higher pressures. The manifold is built with a metal-to-metal body and bonnet seal for enhanced durability and temperature resistance, with materials that can comply with NACE MR 01 75 standards for corrosion resistance.

Additional features include a removable T-handle for low-torque operation, self-centering non-rotating stems for consistent shutoff, and a dust cap to prevent contamination. Packing is positioned below the stem threads to isolate the threads from the process media, and the stem’s rolled threads provide smooth operation and long life. The manifold is 100% factory tested for leakage and performance, ensuring reliable operation in critical oil and gas applications.

The Check Valve Poppet Type with 1/4" NPT tube ends is a compact, high-performance valve designed to provide reliable one-way flow control in hydraulic and pneumatic systems. Built for demanding applications, this valve is rated up to 6000 PSI working pressure, making it suitable for both high-pressure and industrial environments.

The poppet design ensures a tight seal when backflow occurs, preventing fluid from moving in the reverse direction while allowing free flow in the intended direction. This not only protects sensitive system components but also maintains system efficiency by eliminating leakage.

With a cracking pressure typically available from 1 to 25 psi, the valve can be selected to suit specific operational needs, ensuring smooth opening without unnecessary resistance. The female NPT tube end connection provides a secure, leak-free fit, compatible with a wide range of standard piping and tubing systems. Constructed from durable stainless steel or carbon steel depending on configuration, the valve offers excellent resistance to wear, corrosion, and high-pressure fatigue.

Commonly used in oil and gas, the poppet-type check valve provides consistent performance, low maintenance requirements, and long service life.

Its simple yet effective design ensures operators can trust it in critical applications where preventing reverse flow is essential for safety and operational reliability.

The HDI 1522 Choke Position Indicator System is an electronic instrument designed to accurately measure and display the position of choke valves used in oil and gas production. Choke valves regulate the flow of oil, gas, or water from wells by adjusting the degree of restriction in the pipeline, which directly affects pressure control and production rates. The 1522 system provides highly precise position readings in one percent increments, ranging from fully closed (0%) to fully open (100%), enabling better management of well performance and enhanced safety.

This system uses solid-state electronics to convert mechanical valve movement into electronic signals via various potentiometer types—including linear, rotary, and retractable options—making it adaptable to a wide variety of choke valve designs and configurations. The position data is presented on a four-inch liquid crystal display that combines a numeric readout with a linear bar graph, allowing clear and immediate visualization of the choke’s exact position. The display is engineered for visibility from distances up to fifteen feet, suitable for typical field environments.

Powered by an internal, field-replaceable battery with approximately one year of continuous operation, the 1522 system minimizes maintenance requirements and eliminates the need for complex wiring. It also offers optional analog output signals, such as 4-20 mA or 0-1 V, enabling seamless integration with plant control systems, programmable logic controllers, data acquisition systems, or remote display units for centralized monitoring and automation.

The enclosure is constructed from UV-stabilized, impact-resistant polycarbonate and PBT alloy materials to ensure durability in harsh outdoor conditions. It is rated to operate reliably within a wide temperature range from -40°F to 176°F (-40°C to 80°C). The internal electronics are protected by a gasket seal to prevent dust and moisture ingress, maintaining performance and longevity.

Installation flexibility is enhanced through support for cable lengths up to 1,500 feet, allowing the gauge to be mounted in the most accessible or secure locations. Multiple sensor housing options and connector orientations simplify field installation and reduce the need for onsite customization, helping to minimize downtime and installation costs.

The 1522 Choke Position Indicator System delivers accurate, real-time choke valve position information in a robust, easy-to-install package. Its reliable performance, flexible integration capabilities, and low maintenance design support improved flow control, safer operations, and optimized production.

Gauge adapters with a female ISO parallel thread to male NPT are small but essential components used to connect measurement instruments, such as pressure gauges or transmitters, to piping systems in industrial and oil and gas applications.

The female ISO thread screws directly onto the instrument, while the male NPT thread connects securely to the pipe or tube, creating a tight and leak-resistant connection.

These adapters are made from high-quality materials such as stainless steel or brass, which makes them durable and resistant to corrosion, even in harsh environments. They are designed to handle high pressures, up to 10,000 PSI, ensuring that instruments provide accurate readings without risk of failure.

They follow international thread standards including ASME B1.20.1, SAE AS71051, ISO 7-1, and ISO 228, which guarantees compatibility with other equipment and ensures reliable performance in critical systems. This makes them a practical and dependable choice for monitoring and controlling fluids.

The Tube Fittings Bulkhead Male Connector NPT Thread is a specialized fitting designed to pass tubing securely through panels, enclosures, or bulkheads while maintaining a reliable, leak-tight seal. It is suitable for high-pressure applications up to 6000 PSI and is manufactured according to ASME B16.34, MSS-SP-99, and ASME B31.3 standards, ensuring safety, reliability, and compatibility with industrial systems.

Its bulkhead design allows the tubing to be firmly supported at the barrier, reducing stress on the tubing, preventing vibration-induced leaks, and providing consistent sealing performance under pressure, vacuum, or dynamic conditions.

The NPT male thread enables direct connection to piping, valves, or other threaded components, making installation straightforward and versatile. Precision-machined components ensure that ferrules deform correctly for an optimal seal, while silver-plated threads reduce friction and minimize galling during assembly. Case-hardened ferrules and a robust body material provide durability under repeated assembly or exposure to high vibration, thermal cycling, or corrosive environments.

The design also allows for easy disconnection and retightening without compromising the seal, providing flexibility for maintenance or system changes. Tubing must be properly inserted to the shoulder of the fitting body to ensure maximum sealing efficiency, emphasizing that tubing selection and handling are integral to optimal performance.

Overall, this fitting provides a reliable, high-performance solution for routing tubing through barriers in demanding industrial environments, combining ease of installation, high-pressure capability, and long-term durability with precision engineering suitable for critical oil and gas or process applications.