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.

Square Body Needle Valves Male x Female are engineered for precise flow control and isolation in high-pressure piping systems. The square body design provides a rigid, compact structure that allows for stable mounting, easy wrench access, and alignment during installation. The male and female threaded ends enable secure connections to instrumentation, piping, or process equipment, ensuring leak-tight operation.

These valves are used in oil and gas applications such as connecting impulse lines, controlling flow to pressure transmitters, and isolating instrumentation for maintenance or calibration. The square body allows for easy integration into compact manifolds or tight piping layouts where space and alignment are critical.

Constructed to meet ASME B16.34 and MSS-SP-99 standards, the valves are rated for standard working pressures of 6000 psi, with optional higher-pressure ratings available. They operate effectively over a wide temperature range and are factory-tested for seat and packing leakage, ensuring reliable, consistent performance in demanding field conditions.

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 HDI 2000P Pressure Gauge System is a solid-state electronic gauge designed to provide accurate and reliable pressure measurement in demanding industrial and oilfield environments. It is suitable for monitoring pressures up to 20,000 psi and is built to operate safely in hazardous locations.

The system includes a gauge display, inline cable, and a matched pressure sensor. The gauge features a 6-inch diameter LCD with a numeric display and a 101-segment analog bar graph for trend indication. The display is visible from up to 35 feet and is designed for use in varying lighting conditions.

Powered by a field-replaceable 3.6 V battery pack, the system supports continuous operation with minimal power consumption. Battery life is typically around 18 months, with a one-year guarantee. Calibration data is retained when powered off.

The pressure sensor uses a 3.5K strain gauge and is available in multiple pressure ranges. Sensors can be interchanged within specified ranges to reduce spare parts inventory. Connection types include 1” NPT, 2” line thread, ANSI or API flanges, 9/16” Autoclave, and 2” WECO.

Optional outputs include 4-20 mA and 0-1 Vdc signals for integration with chart recorders, PLCs, and remote displays. A remote display (slave gauge) option allows duplication of the pressure reading at another location.

The gauge and sensor are factory calibrated as a matched pair to ±0.50% full-scale accuracy. Calibration and configuration settings are stored in non-volatile memory and can be updated or reset by the user.

The 2000P Pressure Gauge System provides reliable pressure measurement with low maintenance requirements for industrial and oilfield applications.

The Bore Through Male Connector NPT fittings are engineered to create robust, leak-free connections in high-pressure systems. These fittings feature a bore-through design, allowing fluid or gas to flow freely without obstruction, which minimizes pressure drop and ensures consistent system performance. Made from high-quality materials, they are suitable for pressures up to 6000 PSI and are manufactured to meet ASME B16.34, MSS-SP-99, and ASME B31.3 standards.

The NPT (National Pipe Thread) male connection ensures a tight seal when connected to compatible threaded components, providing reliable performance in oil and gas, chemical, and process industries. The fittings are precision-machined for proper ferrule deformation, which ensures leak-free connections under vibration, impulse, or vacuum conditions. Silver-plated threads reduce friction and prevent galling, while the bore-through design supports high flow rates without obstruction.

Bore Through Male Connector NPT fittings are easy to install and maintain. They are finger-tight for initial assembly and then wrench-tightened to achieve a secure seal, reducing installation errors and downtime. Their design allows disconnection and reconnection without compromising sealing integrity, making them suitable for applications requiring frequent maintenance or system modifications.

These fittings are unique in combining full-flow capability, high-pressure performance, and reliable sealing in a compact, easy-to-install form, making them ideal for demanding oil and gas systems, process lines, and high-pressure instrumentation setups.

Integral Bonnet Tube OD needle valves feature a one-piece construction where the bonnet is integrated with the valve body, eliminating welded joints and providing enhanced strength and safety. This design ensures durability and reliable performance in high-pressure applications, minimizing the risk of leaks or failures.

The Tube OD connections allow secure attachment to tubing while providing precise flow control, making these valves ideal for instrumentation lines, pressure measurement, and process control systems. The design supports consistent, repeatable shut-off and smooth operation, even under demanding conditions.

These valves are particularly suitable for oil and gas applications where high-pressure resistance, leak-free performance, and ease of maintenance are critical. Additional features such as rolled stem threads and mirror-finished stems reduce wear, lower operating torque, and extend service life, ensuring dependable operation in both standard and critical environments.

The 1/4" poppet type check valve with male × female NPT connections is designed to allow fluid flow in one direction while preventing backflow in oil and gas systems. Its poppet design provides fast response and reliable sealing under pressure, ensuring protection of pipelines, pumps, and other critical equipment from damage caused by reverse flow or pressure fluctuations.

The 1/4" size is ideal for small diameter lines, instrumentation, sampling, or control applications where space is limited and precise flow control is required. Male × female connections allow secure inline installation and integration into existing piping without the need for additional fittings, reducing potential leak points and simplifying system layout.

Factory tested for cracking and reseal performance, the valve has a standard working pressure of 6000 psi, with optional ratings up to 10000 PSI. It offers selectable cracking pressures from 1/3 to 25 psi, making it adaptable to various flow requirements. The valve is available in corrosion resistant materials such as SS 316, SS 316L, Duplex, Super Duplex, Hastelloy C276, Inconel 625, Monel 400, and Brass, suitable for demanding oil and gas environments. Heat code traceability ensures quality and material verification, and additional testing options including vibration, temperature, and helium testing are available for critical applications.

Hex Body Needle Valves Female x Female are precision valves designed for accurate flow control and isolation in piping systems. The hexagonal body allows for easy installation and secure tightening using a standard wrench. Both ends have female threads, enabling direct connection to male-threaded pipes or fittings without additional adapters.

These valves are suitable for high-pressure and high-temperature applications, with a standard working pressure of 6000 psi and temperature ratings from -50°C to 230°C, extendable up to 500°C with graphite. They are commonly used in oil and gas, instrumentation, and process control systems to regulate fluid or gas flow, perform system bleed operations, or isolate sections of a pipeline.

The valves feature a metal-to-metal body and bonnet seal for durability, a self-centering non-rotating stem tip for consistent shutoff, and packing located below the threads to prevent process media from reaching the threads. Factory-tested for seat and packing leakage, these valves provide reliable, leak-free performance in demanding environments.