Oil & Gas

Expansion Joints and Check Valves for Oil & Gas Applications

Piping systems in the oil and gas industry operate under conditions that include high pressure, extreme temperatures, and exposure to corrosive and abrasive media. The reliability of these systems is critical for maintaining operational safety, preventing environmental incidents, and ensuring consistent production across upstream, midstream, and downstream sectors. Failures in piping components can lead to significant downtime, costly repairs, and safety hazards.

Operational Challenges in the Oil & Gas Industry

Piping systems in oil and gas operations are subject to a range of stressors that require specialized components for effective management. Understanding these challenges is key to proper component selection.

  • Chemical Exposure: Process media can range from crude oil and refined fuels to natural gas, saltwater, and a variety of treatment chemicals (e.g. hydrogen sulfide scavengers and corrosion inhibitors). Components made from elastomers with proven chemical resistance are used to prevent degradation.
  • High-Pressure Containment: Systems in upstream extraction and midstream transport often operate under high pressure. Components must be rated to contain these pressures and withstand potential surges from pump operations or valve actuation without failure.
  • Temperature Extremes: Operations can involve media at elevated temperatures, such as in refining processes, or in locations with significant ambient temperature fluctuations. Materials must maintain their integrity and flexibility across these temperature ranges.
  • Vibration and Pulsation: Equipment such as large-volume pumps, compressors, and drilling machinery generates significant vibration and pulsation. If equipment is not isolated, this energy can transmit through piping, causing fatigue damage to connections and supports.
  • System Stress and Movement: Thermal expansion and contraction of long pipe runs, vessel settlement, and minor misalignment of equipment can induce significant stress on rigid piping systems, requiring flexible solutions to absorb movement.

PROCO Products Rubber Expansion Joints for Oil & Gas

Rubber expansion joints are flexible connectors engineered to provide stress relief, absorb movement, and isolate vibration in oil and gas piping systems. Their construction allows them to handle conditions where metallic components may be less suitable.

Core Functions in Oil & Gas Applications

    • Vibration Isolation: The elastomeric body effectively dampens vibration and pulsation from pumps (e.g., transfer pumps, LACT units) and compressors, protecting downstream piping and sensitive instrumentation.
    • Chemical Resistance: PROCO Products offers a range of elastomers, such as Nitrile, which are selected for their resistance to hydrocarbons, chemicals, and drilling fluids. For highly corrosive media, PTFE-lined expansion joints provide a robust barrier.
    • Movement Absorption: They accommodate axial, lateral, and angular movements caused by thermal changes and vessel settlement, reducing stress on pipe flanges and equipment nozzles.

Overview of PROCO Products Rubber Expansion Joint Series for Oil & Gas

PROCO Products Series

Key Design Features & Strengths

Typical Oil & Gas Applications

Recommended Elastomers

Series 240 / 242

Wide flowing arch design. Rugged, lightweight and heavyweight construction 

General utility piping, saltwater disposal lines, cooling water systems, lube oil and jacket water systems, mud pump, frac tanks, pump and compressor connections.

Nitrile, Neoprene, EPDM

Series 231

Spool type, single/multiple wide arches for multi-directional movement absorption.

General utility piping, saltwater disposal lines, cooling water systems, lube oil and jacket water systems, mud pump, frac tanks, pump and compressor connections.

Nitrile, Neoprene, EPDM

Series 231/ET (PTFE Lined)

Combines the strength of a rubber expansion joint with a chemically inert PTFE liner.

Chemical injection lines, sour gas processing, refining applications with aggressive chemicals, any service requiring broad chemical resistance.

PTFE Liner with EPDM exterior

Series 271

Low profile wide-arch design suitable for applications where solids are present and more movement is needed than a filled arch 231 can provide.

Manifold piping, equipment connections in confined spaces, utility lines on offshore platforms or in processing skids.

Nitrile, Neoprene, EPDM

PROCO ProTek™ Safety Shields

Wraparound shields designed to contain high-pressure spray from a potential joint failure.

Placed around any expansion joint in high-pressure service or handling hazardous fluids to enhance personnel safety. Recommended for all critical applications.

N/A (Constructed thin gauge metal with angle clips)

Summary

The operational demands of the oil and gas industry require robust and reliable piping components. PROCO Products rubber expansion joints are engineered to address common industry challenges, including chemical compatibility, high pressure, vibration, and abrasion. The proper selection and installation of these components can lead to reduced maintenance, increased system safety, and lower operational costs.

Contact PROCO Products today to discuss your specific application requirements and identify the correct expansion joint and check valve solutions for your oil and gas operations. Our team can provide technical data, chemical resistance information, and product specifications to support your project. Download our brochure here or contact us.