The Monoflange DBB Double Block & Bleed Valve Flange x Thread with OS&Y and Needle Isolation is designed to provide reliable dual isolation with a controlled bleed in a single assembly. This configuration replaces the need for multiple individual valves, reducing the number of potential leak points and simplifying installation in oil and gas applications. The first isolation is achieved using an OS&Y valve, while the second isolation and the drain function use a needle valve, providing precise control over fluid venting and depressurization.

This valve is suitable for instrument and gauge isolation, chemical injection points, sampling connections, and direct or remote mounting of instruments. It supports high-pressure systems with a range from Class 150 to Class 2500, and accommodates both reduced and full bore options. Constructed from durable materials including SS 316, SS 316L, Duplex, Super Duplex, Hastelloy, Inconel, and Monel, the valve can also be supplied with NACE-compliant materials on request.

Manufactured in accordance with recognized standards such as ASME B16.34, API 6D, and ISO 17292, the Monoflange DBB provides a compact, robust solution for dual isolation with reliable venting. Its integrated design reduces stress on piping systems, minimizes maintenance needs, and ensures consistent performance in critical oil and gas applications.

The 1/2" poppet check valve with female × female NPT connections is designed to allow fluid to flow in only one direction while preventing any backflow. This is important in oil and gas systems because backflow can damage pumps, pipelines, and other equipment. The valve is commonly used in medium-sized lines, instrumentation, sampling, and control applications where reliable flow control is required.

The valve operates at a standard pressure of 6000 psi, with optional configurations available for pressures up to 10000 psi. Cracking pressures, the minimum pressure needed to open the valve, can be selected from 1/3 to 25 psi, giving flexibility to match the needs of specific systems. Its poppet mechanism responds quickly to flow changes and provides a tight seal, ensuring consistent performance and preventing leaks.

Made from corrosion-resistant materials such as SS 316, SS 316L, Duplex, Super Duplex, Hastelloy C276, Inconel 625, Monel 400, and Brass, the valve is suitable for harsh oil and gas environments. Female × female NPT connections allow for secure inline installation without extra fittings, reducing the risk of leaks and simplifying integration into existing piping.

Each valve is factory tested for cracking and reseal performance, ensuring it opens and closes reliably. Heat code traceability is provided to verify material quality. Additional testing, such as vibration, temperature, and helium testing, can be requested for applications requiring high reliability.

This valve is compact, durable, and designed for long-term operation with minimal maintenance. It helps maintain system pressure, protects critical equipment, and ensures that oil and gas systems operate safely and efficiently.

The Gauge Root Bleed Valve with vent tube and handle is a high-pressure valve designed to provide safe venting and pressure release in industrial and oil and gas systems. It is typically installed in high-pressure piping where pressure gauges or instruments are connected, allowing operators to isolate and safely bleed off pressure for maintenance, calibration, or inspection. The vent tube directs released media away from the operator, reducing the risk of injury or contamination, while the handle provides easy and precise manual operation.

This valve is rated for 6000 PSI standard working pressure, with higher pressures available on request, and is constructed with a metal-to-metal body and bonnet seal for reliable sealing at high temperatures and pressures. It features a backseat stem for added security, a self-centering, non-rotating tip to ensure leak-free performance, and a simple adjustable gland retainer to maintain packing stability over time.

Factory testing includes pneumatic tests with nitrogen at 1000 PSI to verify seat and packing integrity, with a maximum allowable leak rate of 0.1 sec/min. The valve materials can be supplied in stainless steel or other corrosion-resistant alloys and are compatible with NACE MR 01-75 standards. Heat code traceability ensures quality control and material verification for critical applications.

This valve is essential for safely isolating and venting pressure from instruments, gauges, or process line.

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 HDI 2522 Choke Position Indicator System is a 4-inch solid-state electronic device used to precisely monitor the position of chokes in oil and gas operations. It provides position readings in 1% increments from fully closed (0%) to fully open (100%). The system supports a variety of choke types by interfacing with linear, rotary, or retractable potentiometers, making it adaptable to different choke designs commonly used in the industry.

This indicator eliminates the need for pneumatic air lines traditionally used for position sensing, improving reliability and reducing maintenance requirements. The gauge features a liquid crystal display (LCD) with both a numeric readout and an analog bar graph for quick visual interpretation of choke position. It includes a low battery indicator to ensure continuous operation.

The system is battery powered with a field-replaceable 3.6 Vdc power pack rated for one year of continuous operation. The internal battery powers the gauge electronics but not optional 4-20mA output loops. The 2522 supports up to two additional slave gauges for remote position displays, allowing flexible monitoring setups across control rooms.

Its robust, impact-modified polycarbonate/PBT alloy case is UV stabilized and sealed with gaskets to protect the electronics. The device operates within a temperature range of -40°F to 176°F (-40°C to 80°C) and is suitable for harsh oilfield environments.

Installation is straightforward, with recommended cable lengths up to 1,500 feet between the gauge and potentiometer, and customizable cable options available to fit specific site needs. Each system is factory matched and serialized, supplied with a signed calibration certificate, ensuring accuracy to within ±1% full scale.

Overall, the 2522 system provides a reliable, accurate, and low-maintenance solution for real-time choke position monitoring, enhancing operational control and safety in oil and gas production.

The L type 2 valve manifold is a compact and reliable solution designed for connecting impulse lines to pressure transmitters or gauges in industrial systems. Its primary purpose is to allow safe and efficient measurement of process pressures while providing the ability to isolate, vent, or calibrate instruments without disrupting the process.

The L type configuration refers to the layout of the two valves, arranged in an L shape, which allows for simple and intuitive operation. This design enables the user to block the process pressure, bleed off trapped pressure, and perform calibration on static pressure transmitters or gauges. The arrangement minimizes installation space while ensuring clear and accessible operation.

Pipe to pipe manifolds are designed to connect directly to process lines using standard piping connections. This allows for straightforward integration with impulse lines and reduces the need for additional fittings. The manifold provides a secure and leak-free connection while maintaining easy access for maintenance, calibration, and testing of instruments. Overall, the L type 2 valve manifold combines compact design, operational simplicity, and high reliability for critical measurement 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.