HDI Gauge systems used in oil and gas operations are often exposed to harsh environments and continuous use. To maintain accuracy, reduce downtime, and extend the service life of these systems, it is critical to have access to replacement components that are both durable and compatible. A full range of spare parts is available to support maintenance needs, including displays, sensors, cables, processor boards, connectors, and housing elements.

These parts are designed to be interchangeable across compatible models, allowing operators to replace worn or damaged components without requiring full system replacement. This modularity improves cost efficiency and simplifies logistics, especially in remote field locations. Most components are field-replaceable, reducing the need for specialized service technicians and enabling faster return to operation.

Processor boards and display units typically share a common design across multiple gauge models, streamlining inventory requirements and providing flexibility during urgent repairs. Sensors are matched with gauge heads for calibration accuracy but can be easily re-paired and recalibrated in the field or through service support if needed.

Using certified or manufacturer-specified replacement components ensures continued compliance with safety standards, maintains the expected measurement accuracy, and supports the longevity of the equipment. These parts are often backed by service documentation or part tracking for maintenance records and equipment history management.

In short, a well-organized supply of compatible, high-quality parts is essential for effective pressure and temperature gauge system upkeep in demanding industrial settings.

The R Type 2 Valve Manifold Integral Mount 1/2” Female NPT is a compact and robust solution for connecting impulse lines directly to pressure transmitters or gauges. It features a simple two-valve arrangement that allows operators to block process pressure, safely bleed trapped pressure, and calibrate transmitters without the need for additional piping. This configuration ensures quick and efficient maintenance and reduces potential leak points.

Its integral mount design allows the manifold to be attached directly to the transmitter, eliminating the need for extra brackets or complex assemblies. This not only saves space but also provides a secure and stable connection, which is particularly useful in oil and gas applications where reliability under high-pressure conditions is critical.

The manifold is constructed with a metal-to-metal body and bonnet seal to handle pressures up to 6000 PSI, with higher pressure options available upon request. It is fully factory tested for seat and packing leakage, and materials can be supplied to meet NACE MR 01 75 standards. The R Type is suitable for a wide temperature range and is designed to provide smooth operation, long-term durability, and leak-free performance even in demanding field conditions.

The HDI 1000P Pressure Gauge System is a battery-powered, intrinsically safe electronic gauge used to monitor high-pressure systems in oil and gas operations. It measures pressure using a strain gauge sensor and provides real-time readings on a digital display with both numeric and bar graph formats. Common applications include choke manifolds, cementing units, coiled tubing, and high-pressure pumping systems.

With pressure ranges available from 5,000 psi up to 30,000 psi, the 1000P is suitable for demanding environments. It offers ±0.5% full-scale accuracy, and optional 4-20mA or 0–1 VDC outputs for integration with PLCs or remote monitoring systems. The unit is housed in a sealed stainless steel enclosure and built to perform reliably in harsh, high-vibration field conditions.

Designed for ease of use, the 1000P includes a field-replaceable battery pack and supports a range of connection types such as 2" 1502, 2002, 2202, or flanged. Its solid-state platform minimizes maintenance and ensures consistent performance over time, making it a dependable tool for critical pressure monitoring tasks.

The Ball Valve Lever Operated – 2-Way (Male × Female) is an isolation valve used to start, stop, or regulate fluid flow in oil and gas piping systems. Its 2-way design provides simple, reliable flow control, making it ideal for applications where full shut-off or bi-directional flow is required, such as upstream production lines, downstream processing, pipeline distribution, and injection systems.

The valve features a floating ball design for seat wear compensation and leak-proof performance under high-pressure conditions. It is manufactured and tested to ASME B16.34, meets ASME B31.3 pressure-temperature ratings, and is type-tested to MSS-SP-99. It supports bi-directional flow with a standard working pressure of 6000 psi (maximum 10000 psi on request) and a temperature range of –40 °F to 450 °F (–40 °C to 232 °C).

It operates via a quarter-turn lever with low torque. The stem is internally loaded with a shoulder to prevent blowout. Replaceable seats and packings extend service life, and the maximum orifice minimizes pressure drop. The valve is factory tested with nitrogen gas at 1000 psig (maximum leak rate 0.1 sec/min). Optional tests include vibration, temperature, and helium. It can also meet NACE MR0175 standards and fire-safe requirements, with heat code traceability for all components.

In conclusion, this 2-way ball valve provides reliable, leak-proof isolation for critical oil and gas operations, combining robust construction, high-pressure capability, and ease of operation to ensure safe and efficient flow control across the system.

The Double Block & Bleed Valve Flange x Flange 3/4” (DN 20) with Ball isolation and Needle drain provides dual isolation in oil and gas piping systems. The first ball isolates upstream flow while the second ball isolates downstream flow. The needle drain vents trapped pressure between the two isolation points, making it suitable for instrument or gauge isolation, chemical injection, or sampling in operations where maintenance or measurement is required without interrupting the main process.

This specific 3/4” (DN 20) valve is rated for Class 150 service. It has a flange diameter of 100 mm, a bore of 69.9 mm, a flange thickness of 15.9 mm, and uses four bolts of 1/2” size. The face-to-face length is 203 mm. It is manufactured from materials compatible with oil and gas environments and meets ASME B16.34, API 6D, and ISO 17292 standards for pressure-temperature performance and reliability.

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 Ball Valve Lever Operated – 2-Way Female × Female is a high-performance isolation valve designed for oil and gas piping systems where reliable flow control is essential.

Its female × female connections allow for secure inline installation directly onto male-threaded pipes or fittings, simplifying assembly, reducing the need for additional adapters, and minimizing potential leak points. This configuration is particularly useful in production lines, injection lines, sampling lines, and other pipelines with male-threaded ends.

The valve features a floating ball design that provides seat wear compensation, ensuring consistent, leak-proof shut-off under high-pressure conditions. Operation is simple and efficient with a quarter-turn lever, allowing fast opening and closing with low torque. The internally loaded stem with shoulder prevents blowout, enhancing operational safety, while replaceable seats and packings extend service life. The maximum orifice design also minimizes pressure drop across the valve.

This valve is suitable for a wide range of oil and gas applications, including upstream, midstream, and downstream pipelines. It is factory tested to ensure leak-proof performance and can be supplied to meet NACE MR0175 standards and fire-safe requirements. Heat code traceability ensures quality and material verification for all components, making this valve a dependable and durable solution for industrial environments.

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.

The Gauge Root Valve Male x Female 1/4” NPT is designed to provide reliable isolation and control for pressure measurement instruments in chemical, petrochemical, and oil and gas applications. It allows a secure connection between the process line and pressure gauges, ensuring accurate readings while preventing backflow and leakage. This size is commonly used where compact instrumentation connections are needed, offering precise control in tight piping configurations.

The valve is constructed and tested according to ASME B16.34 for pressure and temperature ratings and complies with ISO 9001, PED, and ATEX standards, confirming quality and suitability for use in hazardous or pressurized environments. It has a standard working pressure of 6000 PSI, with higher pressures available upon request. The metal-to-metal body and bonnet seal ensures high-pressure and temperature performance, and the self-centering, non-rotating stem tip provides consistent shutoff for leak-free operation.

Additional design features include a simple, adjustable gland retainer for stable packing, a back seat for added security, a removable T-handle for low torque operation, and a dust cap to protect the stem from contamination. All valves are 100% factory tested for seat and packing leakage using nitrogen gas at 1000 PSI, ensuring reliable performance. This valve is ideal for isolating and protecting pressure measurement instruments.