The HDI 2021 Pressure Transmitter System is an electronic device designed to measure pressure accurately and convert it into a standardized 4–20 mA electrical signal for monitoring and control. It consists of a strain gauge sensor embedded in a stainless-steel housing and a transmitter assembly that processes the sensor signal. This system is widely used in oil and gas operations to provide precise, real-time pressure data essential for safe and efficient wellhead monitoring, pump and compressor control, manifold pressure tracking, and other critical process points.

In typical oilfield applications, the transmitter measures pressure at locations such as wellheads, flowlines, separators, and pumps to ensure that equipment operates within safe pressure limits, preventing failures and optimizing production. The 4–20 mA output enables easy integration with control systems, remote displays, data loggers, and automated safety shutdowns, supporting operational decisions and regulatory compliance.

The 2021 system supports pressure ranges from 5,000 psi to 20,000 psi, with overpressure protection allowing up to 30% above rated pressure for lower ranges, and 10% for higher ranges. It offers multiple housing options including hammer unions and various flanged connections to fit existing infrastructure. The sensor uses a high-quality strain gauge design with a robust stainless-steel case to ensure durability in harsh field conditions. A shielded instrument cable (up to 200 feet recommended) connects the sensor to the transmitter, minimizing electrical noise for reliable data transmission. The system is field repairable and designed with no moving parts or fluids, reducing maintenance needs and enhancing reliability.

The 2021 Pressure Transmitter System delivers accurate, dependable pressure measurement critical for monitoring and controlling high-pressure equipment in oil and gas operations, helping to maintain safety, protect assets, and improve production efficiency.

Hex Reducing Couplings Female NPT are precision pipe fittings designed to connect two pipes of different sizes while maintaining a secure, leak-tight connection. The female NPT threads provide a tapered seal that ensures a tight fit when connected to a male NPT thread, making them suitable for high-pressure systems up to 10,000 PSI. The hex shape of the coupling allows for easy tightening with standard tools, providing both convenience and reliability during installation.

Reducing couplings are specifically used when there is a need to transition between different pipe sizes in a system, allowing for flexibility in design and modification of existing pipelines. They help maintain proper flow rates, pressure, and system integrity without the need for custom fittings. This makes them essential in oil and gas systems where varying pipe sizes are common.

These couplings are manufactured from high-quality materials and are compliant with recognized standards, including ASME B1.20.1, SAE AS71051, ISO 7-1, and ISO 228, ensuring consistency, traceability, and durability in demanding applications. Hex Reducing Couplings Female NPT are ideal for situations where space is limited and a reliable connection between different pipe sizes is required, supporting both operational safety and system efficiency.

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.

In oil and gas systems, controlling the direction of fluid flow is critical to protect pipelines, pumps, and equipment. The 1/4" poppet type check valve with female × female NPT connections provides reliable uni-directional flow, preventing backflow and maintaining system integrity. Its compact size makes it ideal for small diameter lines, instrumentation, sampling, and control applications, while the female × female connections allow secure inline installation without additional fittings.

The valve has a standard working pressure of 6000 PSI, with optional configurations rated up to 10000 PSI. Selectable cracking pressures from 1/3 to 25 PSI allow precise adaptation to system requirements. It is available in corrosion-resistant materials including SS 316, SS 316L, Duplex, Super Duplex, Hastelloy C276, Inconel 625, Monel 400, and Brass, ensuring durability in demanding oil and gas environments.

All valves are factory tested for cracking and reseal performance, with pneumatic testing at 1000 psig to verify seat integrity. Heat code traceability guarantees quality and material verification, and additional testing, including vibration, temperature, and helium, is available for applications requiring maximum reliability.

The Gauge Root Valve Male x Female is a high-pressure valve designed for precise isolation and control of gauge lines in oil and gas industry. It allows for secure attachment of pressure gauges or instruments while maintaining reliable sealing and flow control. The male x female connection simplifies installation by providing a compact and leak-resistant interface, suitable for both standard and custom piping setups.

This valve is built to withstand pressures up to 6000 psi, with optional higher ratings available upon request, and operates over a wide temperature range from -50°C to 230°C, with extended ratings up to 500°C when using graphite seals. The metal-to-metal body bonnet seal ensures consistent high-pressure performance without relying on O-rings.

The valve’s stem incorporates a backseat design for added safety, rolled threads for smooth operation, and a self-centering, non-rotating tip that provides consistent, leakage-free shutoff. Packing is positioned below the stem threads to prevent media contact, and an adjustable gland retainer enhances stability and long-term performance. A removable T-handle enables low-torque operation, while the stem dust cap prevents contamination and protects the actuating threads.

Manufactured to ISO 9001, PED, ATEX, ASME B16.34, and MSS-SP-99 standards, each valve undergoes rigorous factory testing, including pneumatic leak checks at 1000 psi, to ensure reliability and compliance. Optional vibration, temperature, and helium testing can be performed to meet specific process requirements. Heat code traceability and NACE-compliant material options provide confidence in both performance and quality.

This combination of features makes the Gauge Root Valve Male x Female an ideal choice for safe, accurate, and durable gauge isolation in critical industrial systems.

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 H Type 3 Valve Manifold – Flange to Flange is designed for connecting impulse lines and differential pressure transmitters in oil and gas and industrial process applications. It consists of two block valves, one equalizer valve, and two ¼” Female NPT vent/test connections, providing accurate isolation, calibration, and maintenance of instrumentation.

The manifold is rated for a standard working pressure of 6000 PSI, with maximum ratings up to 10000 PSI available on request. Temperature ratings range from -50°C to 230°C, with 500°C possible using graphite seals. The body features a metal-to-metal seal for high pressure and temperature applications, eliminating the need for O-ring seals, and materials can be supplied according to NACE MR 01 75 standards.

Each valve is 100% factory tested per international pressure standards, including pneumatic testing with nitrogen at 1000 PSI for seat and packing leakage, with a maximum allowable leak rate of 0.1 sec/min. Stems have back seats, rolled threads, and self-centering non-rotating tips for consistent, leak-free operation. The H Type design allows reliable, safe, and precise operation in high-pressure, high-temperature process environments.

The HDI 3200 MGS Differential Monitoring System is a battery-powered, stand-alone device designed to monitor critical pressures and temperature in Mud Gas Separator operations within oil and gas drilling environments. It measures and displays the differential pressure between the liquid seal and mud gas pressure, along with monitoring the mud temperature. These measurements are essential for maintaining safe and efficient separator function, ensuring proper gas-liquid separation, and preventing equipment damage or hazardous conditions.

The system uses accurate and reliable pressure and temperature gauges, with pressure readings displayed in 1 PSI increments. It supports alternate engineering units to meet user preferences or site requirements and provides a 4-20mA output for integration with local or remote monitoring and control systems.

The enclosure is made of a durable polycarbonate/PBT alloy that is impact-resistant and UV stabilized, suitable for harsh field conditions including exposure to sunlight, moisture, and rough handling. Its compact, modular design allows for easy installation and maintenance.

The 3200 MGS Differential Monitoring System is essential in drilling operations for continuously monitoring pressure differences and temperature within Mud Gas Separators. This helps ensure the separator is functioning correctly by preventing gas or liquid buildup that could lead to equipment damage or unsafe conditions. By providing real-time data, the system supports safer drilling processes, reduces downtime, and helps maintain optimal performance in challenging well conditions.

The 2 Valve Manifold H Type Flange to Flange is designed for use in the oil and gas industry to connect impulse lines and transmitters. Its simple two-valve configuration allows operators to perform essential tasks such as blocking, bleeding, and calibrating static pressure transmitters or gauges with ease. This design ensures accurate and reliable measurement while minimizing the risk of leaks or process interruptions.

The H Type manifold features a metal-to-metal body and bonnet seal, which provides a secure seal under high pressure and temperature conditions, eliminating the need for O-ring seals. The valves are designed with a self-centering, non-rotating tip to provide consistent positive shutoff and reduce wear on the packing. The stem includes a back seat for added safety, and a removable T-handle ensures smooth operation with low torque. A dust cap protects the stem from contamination, and rolled threads improve durability and ease of operation.

These manifolds are manufactured to meet ASME B16.34 standards for pressure-temperature ratings and are type tested to MSS-SP-99. They have a standard working pressure of 6000 PSI, with higher pressures available upon request. Materials can be supplied in accordance with NACE MR 01 75, and temperature ratings range from -50°C to 230°C, or up to 500°C with graphite. Every valve is factory tested for leakage and performance, and heat code traceability ensures quality and reliability. 

This 2-way panel-mounted ball valve with Tube OD connections is designed to control, start, or stop fluid flow in oil and gas tubing 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 bypass lines.

The Tube OD connections allow direct attachment to tubing without additional fittings, simplifying installation and reducing potential leak points. The panel-mounted design enables operation from a control panel, making it suitable for systems where multiple valves are centralized or where physical access to the tubing is limited.

The valve features a floating ball design that ensures leak-proof shut-off under high-pressure conditions. Standard working pressure is 6000 PSI. It is designed and tested to ASME B16.34 for pressure-temperature ratings, and valve ratings follow ASME Process Piping Code B31.3. The valve has been type tested to MSS-SP-99 and offers a temperature range from –40 °F to 450 °F (–40 °C to 232 °C).

Operation is simple with a quarter-turn handle, providing fast, low-torque control. The three-piece construction allows easy installation and maintenance, including replacement of internal components. Each valve is factory tested pneumatically with nitrogen gas at 1000 psig for seat and stem leakage, with a maximum allowable leak rate of 0.1 sec/min. Optional additional tests, such as vibration, temperature, and helium, are available.

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. Heat code traceability ensures material verification and quality assurance.

The Gauge Root Valve Male x Female with Lagging Extension is designed for controlling and isolating pressure instruments on pipelines where insulation is applied. The lagging extension allows the valve handle to extend above the insulation, ensuring operators can access and operate the valve safely without removing or damaging the insulation. This design maintains the integrity of the insulated pipeline while providing reliable valve operation.

The valve is manufactured to ASME B16.34 standards and meets ISO 9001, PED, and ATEX requirements, ensuring quality and compliance for industrial and oil and gas applications. It is rated for a standard working pressure of 6000 PSI and can be supplied for higher pressures upon request. The temperature range of the valve spans from -50°C to 230°C, with higher temperature options available with graphite sealing. A metal-to-metal body bonnet seal provides high-pressure and high-temperature sealing without the need for O-rings.

The valve features a back-seated stem for added security, a self-centering non-rotating tip for consistent shutoff, and a simple adjustable gland retainer for stable packing. The rolled stem threads and mirror-finished stem through the packing allow smooth operation, reduce packing wear, and provide long-lasting performance. The removable “T” handle and dust cap on the stem further enhance ease of use and protection.

This valve is particularly suitable for applications where pipelines are insulated, allowing for accurate gauge measurement, safe operation, and minimal disruption to insulation.