The HDI 3300 Temperature Gauge System is an intrinsically safe, battery-powered electronic temperature measurement device commonly used in oil and gas operations requiring precise temperature monitoring. Typical applications include high-pressure nitrogen pumping, geothermal and mud-based drilling, well control manifolds, flare stacks, and bulk liquid storage.

The system consists of a digital gauge display, sensor assembly, and interconnecting cable. The sensor, usually a Resistance Temperature Detector (RTD), is housed in a durable stainless steel case with various mounting options like 2-inch Male NPT, hammer unions, or flanges, allowing flexible installation near the temperature source.

The display features an LCD with numeric and analog bar graph outputs, providing temperature readings with 0.1-degree resolution and ±0.5% full-scale accuracy over a range of -50 to 150°C (-50 to 300°F). Users can switch between Celsius and Fahrenheit. It includes 4-20mA and 0-1 VDC output options for integration with remote monitoring, data logging, or control systems, and supports external power inputs.

Designed for ease of maintenance, the system is field-repairable with a replaceable battery pack. The sensor and display are factory-matched and calibrated, requiring recalibration if components are replaced. The gauge fits standard 6-inch panel cutouts and supports multiple mounting patterns. Cable lengths are customizable up to 200 feet or more.

The system operates reliably in temperatures from -40°C to +70°C and is certified for hazardous environments, with a rugged stainless steel sensor housing to withstand harsh field conditions.

The 3300 is well-suited for environments requiring precise, continuous temperature monitoring, including high-pressure drilling, well control, and fluid storage applications. Its intrinsically safe design provides dependable operation in hazardous locations without compromising safety. The solid-state electronics and durable construction reduce maintenance and downtime, while versatile mounting options allow placement close to the measurement point for accurate readings. Featuring clear numeric and bar graph displays along with remote output capabilities, the system supports timely decision-making and integrates easily with larger monitoring setups, enhancing process control and operational safety in demanding conditions.

The Ball Valve Lever Operated 3-Way Tube OD Side Entry is a high-performance valve designed to control or divert fluid flow in oil and gas piping systems. Its 3-way configuration allows fluid to be routed between multiple tubing lines, making it useful for applications such as flow diversion, sampling, injection systems, or process line bypasses.

The side entry design provides easier access to the ball and internal components for maintenance or inspection, while also allowing compact installation in tight piping layouts. The tube OD connections enable direct attachment to tubing without additional fittings, simplifying assembly, reducing potential leak points, and providing secure, inline connections.

The valve uses a floating ball design to ensure consistent, leak-proof shut-off under high-pressure conditions. Operation is simple and reliable with a quarter-turn lever, providing fast control with low torque. The internally loaded stem with shoulder prevents blowout, and replaceable seats and packings allow maintenance without replacing the entire valve.

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 Double Block & Bleed Valve with Flange x Flange connections and Ball x Ball isolation with Needle drain is designed to provide reliable dual isolation in oil and gas applications. This valve allows two points of isolation in a single assembly, reducing leak paths and ensuring safe maintenance downstream of the first isolation point. The integrated needle drain safely vents any trapped pressure between the two isolation valves.

This valve is available in flange sizes from 1/2” (DN 15) and can be used in applications requiring Class 150 ratings. Reduced and full bore options are offered to accommodate varying flow requirements. The design is suitable for direct or remote mounting of instruments, chemical injection connections, gauge isolation, instrument drains, and piping/instrument interfaces.

Manufactured in materials such as SS 316, SS 316L, Duplex, Super Duplex, Hastelloy, Inconel, and Monel, the valve can also meet NACE MR-0-175 requirements where corrosion resistance is necessary. The assembly conforms to recognized standards including ASME B16.34, API 6D, and ISO 17292. Its compact design allows easier installation in space-constrained environments while minimizing stress from loading or vibration.

This configuration is particularly useful in oil and gas operations where dual isolation is needed for maintenance, sampling, or chemical injection, providing a safe and efficient solution in instrument and piping systems.

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.

This 2-way panel-mounted ball valve with male x female connections is designed to control, start, or stop fluid flow in oil and gas piping systems. Its 2-way configuration allows fluid to flow in either direction between two ports, providing reliable on/off operation for pipelines, sampling lines, injection systems, or process bypasses.

The male x female connections allow secure inline installation and easy integration into existing piping without requiring additional fittings. The panel-mounted design enables operation from a control panel, making it suitable for systems where multiple valves need centralized access or where physical access to the pipeline is limited.

The valve features a floating ball design for leak-proof shut-off under high-pressure conditions. Operation is simple with a quarter-turn handle that provides fast, low-torque control. The three-piece construction allows easy installation and maintenance, including replacement of internal components. Factory testing ensures seat and stem integrity, and the valve is available in a range of corrosion-resistant materials, including SS 316, SS 316L, Duplex, Super Duplex, Hastelloy, Inconel, and Monel. Optional compliance with NACE MR0175 and fire-safe designs makes it suitable for demanding industrial environments.