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Top 10 Pressure Relief Valve Manufacturers in USA 2024

We've meticulously researched and compiled a list of the top 10 pressure relief valve manufacturers in the USA.
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    In the world of industrial safety and efficiency, pressure relief valves play a pivotal role. These critical components are not just mere pieces of hardware; they are guardians against the dangers of over-pressurization in systems ranging from household heating to large-scale chemical processing. The right pressure relief valve can mean the difference between smooth operation and catastrophic failure.

    In the United States, a hub for technological innovation and industrial prowess, numerous manufacturers specialize in producing these vital devices. But with so many players in the field, how do you discern which manufacturers stand out for their quality, reliability, and technological advancement?

    This is where our comprehensive guide comes in. We’ve meticulously researched and compiled a list of the top 10 pressure relief valve manufacturers in the USA. This list isn’t just a rundown of names; it’s a gateway to understanding the elite in this crucial industry. Whether you’re an engineer, a procurement specialist, or just someone fascinated by industrial safety, this guide aims to enlighten and assist in making informed decisions.

    As we delve into the details of each manufacturer, we’ll explore their histories, their specialties, and what makes each of them a key player in the pressure relief valve market. From longstanding industry giants to innovative up-and-comers, our list is diverse and thoughtfully curated.

    So, let’s embark on this journey to uncover the top manufacturers who help keep industries safe and efficient with their state-of-the-art pressure relief valves.

    Key Considerations for Choosing Pressure Relief Valve Suppliers

    When selecting a pressure relief valve supplier, several crucial factors must be considered to ensure optimal performance and safety.

    Reliability and Performance

    Reliability is paramount when dealing with excess pressure situations. Look for suppliers with a proven track record in providing safety valves that consistently perform under diverse conditions, especially in critical sectors like power generation.

    Customization Options

    Different industries may have unique requirements for pressure relief valves. A reputable supplier should offer customization options to tailor valves according to specific needs, whether it’s for power generation or pneumatic applications.

    Industry Compliance

    Ensure that the supplier adheres to industry standards and certifications. This is particularly important in sectors like power generation, where safety valves must meet stringent regulations to guarantee the protection of equipment and personnel.

    Response Time

    In situations involving excess pressure, response time is crucial. Choose suppliers known for the prompt delivery of products and responsive customer service, minimizing downtime and potential risks.

    Customer Reviews

    Consider the feedback from other industries, especially those in power generation or utilizing pneumatic valves. Reviews and testimonials can provide valuable insights into a supplier’s reputation for reliability and performance.

    Quality Standards and Certifications

    Pressure relief valves play a critical role in maintaining safety, especially in environments dealing with excess pressure. When evaluating suppliers, it’s essential to ensure they adhere to the highest quality standards and possess relevant certifications.

    Compliance with Industry Standards

    Look for suppliers whose pressure relief valves comply with industry standards such as those set for safety valves in power generation or pneumatic systems. Adherence to these standards is indicative of the product’s reliability.

    ISO Certification

    ISO certifications, particularly ISO 9001 for quality management systems, are crucial indicators of a supplier’s commitment to delivering high-quality products. This is vital when dealing with safety valves intended for power generation applications.

    ASME Certification

    For industries dealing with excess pressure, suppliers holding ASME certifications for their safety valves demonstrate compliance with rigorous standards, ensuring the valves’ effectiveness and reliability.

    Third-Party Testing

    A trustworthy supplier conducts third-party testing of their pressure relief valves. This ensures that the valves consistently meet or exceed safety requirements, providing peace of mind for applications in power generation and pneumatic systems.

    By considering these factors, industries can make informed decisions when choosing pressure relief valve suppliers, enhancing safety and efficiency in their operations.

    Top 10 Pressure Relief Valve Manufacturers/Suppliers in USA 2024

    NO 1. MAXPRO Technologies, Inc. (Fairview, PA)

    MAXPRO Technologies is a company that specializes in providing high-pressure systems and solutions. They offer a wide range of products and equipment designed for applications that require high-pressure systems.

    maxpro technologies, inc
    maxpro technologies, inc

    They offer a wide range of products and equipment designed for applications that require high-pressure systems. Here is some key information about MAXPRO Technologies:

    Product Range

    MAXPRO Technologies supplies various high-pressure products, including Maximator High Pressure Valves, Fittings, Tubing, Liquid Pumps, Air Amplifiers, and Gas Boosters[1]. These products are used in a variety of industries, such as gas and oil, food processing, and more[15].


    Their products find applications in different sectors, including industrial, manufacturing, and testing equipment[4].

    Air-Driven Systems

    MAXPRO Technologies offers air-driven oxygen and nitrogen boosters, air-driven hydraulic pumps, and air-driven pumps for various applications[6].

    Coning and Threading

    They also provide coning and threading machines that offer precision for coning and threading stainless steel high-pressure components[5].


    MAXPRO Technologies Inc. serves as the exclusive North American distributor for Maximator GmbH high-pressure products[10][16].

    Complete Line of Products

    The company offers a complete line of Maximator High Pressure Valves, Fittings, Tubing, Liquid Pumps, Air Amplifiers, and Gas Boosters[8][14][17].

    Address: 7728 Klier Dr, Fairview, PA 16415
    Hours: Closed ⋅ Opens 8 AM
    Phone: (814) 474-9191

    NO. 2 SSP Fittings Corp. (Twinsburg, OH)


    SSP Fittings Corp. is a company based in Twinsburg, Ohio, that specializes in manufacturing various types of fittings, particularly stainless steel fittings, instrumentation valves, instrumentation tube fittings, and pipe fittings [3]. They offer a range of products, including tube fittings, pipe fittings, and weld fittings, with their headquarters located at 8250 Boyle Parkway in Twinsburg, OH 44087-2200, USA [2]. SSP Fittings Corp. has a long history, having been founded in 1926, and it has a reputation for quality in the industry [3][13].

    The company is known for its expertise in manufacturing components for alternative fuel technologies such as CNG, LNG, Renewable Natural Gas (RNG), and Hydrogen [5]. SSP Fittings Corp. is recognized for its vertically integrated manufacturing process, covering everything from tooling to forging to high-volume and precision machining [9]. They serve various industries, including industrial supplies, fabricated pipe and fittings, fluid power valves, and hose fittings [8].

    Address: 8250 Boyle Pkwy, Twinsburg, OH 44087
    Hours: Closed ⋅ Opens 8 AM
    Phone: (330) 425-4250

    NO 3. The Lee Company (Westbrook, CT)

    The Lee Company, headquartered in Westbrook, CT, is a world-renowned leader in miniature precision fluid control technology with over 75 years of industry experience [1]. They specialize in providing innovative solutions for various industries such as aerospace, automotive, power generation, and more [2].

    2020 960x643 1

    Some key points about The Lee Company:

    1. Expertise: The Lee Company is known for its expertise in designing and manufacturing miniature, precision fluid control products.
    2. Location: The company is based in Westbrook, CT, with additional offices in locations like Huntington Beach, CA [4].
    3. Employee-Focused: The Lee Company is described as a family-owned business that takes good care of its employees, with an understanding upper management team [5].
    4. Industry Presence: They are a significant supplier of fluid control products used in applications including spacecraft and power generation [9][14].
    5. Product Range: The Lee Company manufactures high-quality solenoid valves and other fluid control products for various industries [13].
    6. Innovation: The company has a long history of innovation and is considered a leader in its field [1].
    Address: 2 Pettipaug Rd, Westbrook, CT 06498
    Hours: Closed ⋅ Opens 7:30 AM
    Phone: (860) 399-6281

    NO. 4 Emerson Automation Solutions, Regulators, and Relief Valves (McKinney, TX)

    With a rich legacy dating back to 1890, Emerson Automation Solutions is a construction powerhouse for various relief valves, including direct spring, high-performance, and thermal relief valves. Known for their model-specific details, swappable components, and a wide range of nozzle configurations, Emerson’s valves find applications across pharmaceutical, chemical, and food industries, enhancing the efficiency of control systems.

    emerson relief valve
    Emerson relief valve

    Emerson Automation Solutions, Regulators, and Relief Valves are part of Emerson Process Management’s offerings and have a significant presence in McKinney, Texas. Here’s some relevant information:

    1. Global Headquarters in McKinney, Texas: Emerson Process Management established its global headquarters for regulator technologies in McKinney, Texas, as of November 2013. This facility is dedicated to the design, testing, and manufacture of regulator technologies, including pressure regulators and relief valves [1][7].
    2. Emerson Automation Solutions: Emerson Automation Solutions is a division of Emerson that provides a wide range of automation technologies, including control systems, regulators, valves, and pneumatic solutions. These solutions aim to enhance process efficiency, reliability, and safety in various industries [2].
    3. Location: The specific address for Emerson Automation Solutions, Regulators, and Relief Valves in McKinney, Texas, is 3200 Emerson Way, McKinney, Texas 75070, United States of America [6].
    4. Product Offerings: Emerson offers a range of products related to regulators and relief valves, which are designed for applications in gas, liquid, and steam systems. These products are used in various industries, including oil and gas, chemical, refining, and power generation [9][16].
    Address: 3200 Emerson Way, McKinney, TX 75070
    Hours: Closed ⋅ Opens 8 AM
    Phone: (800) 558-5853

    NO. 5 Parker / Autoclave Engineers (Erie, PA)

    parkerae manufacturingblding

    Parker Autoclave Engineers is a company that specializes in high-pressure and high-temperature technology and equipment. Here’s some key information about Parker Autoclave Engineers:

    1. History: Parker Autoclave Engineers was founded by Fred Gasche in 1945 with the aim of addressing the needs of high-pressure and high-temperature technology. It has since become a prominent player in the industry [2].
    2. Product Range: They offer a wide range of products, including high-pressure valves, fittings, tubing, and instrumentation products. These are designed for various applications that require extreme pressure and temperature conditions [4].
    3. Certifications: Some of their products, such as needle valves and fittings, have received EC-79 certification for use in hydrogen-powered vehicles, showcasing their commitment to safety and quality [3].
    4. Applications: Their products find application in various industries and systems that require precise control and management of high-pressure environments. They cater to industries such as oil and gas, chemical processing, and more.
    5. Distribution: Parker Autoclave Engineers’ products are distributed through various channels, including authorized distributors and suppliers, making their products accessible for a wide range of customers [6].
    Address: Autoclave Engineers Operation Instrumentation Products Division, 8325 Hessinger Dr, Erie, PA 16509
    Hours: Closed ⋅ Opens 8 AM
    Phone: (814) 860-5700

    NO. 6 Aquatrol, Inc. (Elburn, IL)

    Aquatrol, Inc. is an American-based manufacturer specializing in safety and relief valve products with over 70 years of expertise in the field. These valves are used worldwide in various applications, including steam, air, and gas systems, to regulate pressure and ensure safety. Aquatrol manufactures valves that comply with ASME regulations and are National Board Certified, providing assurance of their quality and reliability.


    The company is known for its range of pressure safety and relief valves, which are essential components in industrial settings to prevent damage caused by excess pressure in pipelines and equipment. They offer valves made from different materials and with various set pressures to meet specific industry requirements.

    Aquatrol, Inc. has a website where you can find more information about their products and services [1]. They are also present on social media platforms like LinkedIn and have a physical presence in Elburn, Illinois. Additionally, they are associated with Momar, offering chemical solutions beyond water-related products.

    Address: 600 E North St, Elburn, IL 60119
    Hours: Closed ⋅ Opens 7 AM
    Phone: (630) 365-5400

    NO. 7 Parker Hannifin Instrumentation Products Div. (Huntsville, AL)

    Parker Hannifin Instrumentation Products Division is a segment of Parker Hannifin Corporation that specializes in providing highly engineered pressure and temperature process control instrumentation and systems. Here’s some key information about it:

    1. Products and Services: The division offers a wide range of products, including fittings, valves, accessories, and stream switching systems, designed for precision and efficiency in various industries[5]. They cater to industries such as oil and gas, chemical, aviation, and more[3].
    2. Contact and Support: For inquiries or assistance, you can contact the division directly through their website[4]. They are ready to help with your decision-making process.
    3. Global Presence: Parker’s Instrumentation Products Division has a global presence, with manufacturing facilities and product offerings across diversified industries worldwide[11].

    NO. 8 Aqua Environment Co., Inc. (San Rafael, CA)


    Aqua Environment Co., Inc. is a company that specializes in designing and manufacturing high-pressure valves and regulators for gas and fluid control systems. Here is some key information about Aqua Environment Co., Inc.:

    1. Product Range: Aqua Environment Co., Inc. offers a wide range of products, including reducing regulators, back pressure regulators, open/close valves, relief valves, and more. These products are designed for applications that require precise control of gas and fluid pressure[1][2].
    2. History: The company has been in operation since 1976 and has a long history of providing quality and reasonably priced high-pressure components[6].
    3. Industry Focus: Aqua Environment Co., Inc. primarily serves industries that require water and wastewater treatment equipment and solutions, with a focus on providing high-quality products[7].
    4. Additional Products: In addition to valves and regulators, Aqua Environment also manufactures fill adapters, tee filters, carbon monoxide indicators, switches, and other related products[9][10].
    5. Location: The company is based in San Rafael, California, and operates under the Cage Code 0PH81[11].
    Address: 4245 Kenyon Ave, Los Angeles, CA 90066
    Hours: Closed ⋅ Opens 8 AM Wed
    Phone: (424) 456-4591

    NO. 9 Plast-O-Matic Valves, Inc. (Cedar Grove, NJ)

    plast o matic valves
    plast o matic valves

    Plast-O-Matic Valves, Inc. is a prominent manufacturer and supplier of high-performance thermoplastic valves and actuators. Founded in 1967, the company is known for its dedication to providing customer satisfaction and advancing liquid technology. Here are some key points about Plast-O-Matic Valves, Inc.:

    1. Product Range: Plast-O-Matic offers a wide range of valves, including spring-controlled, air-controlled, differential-controlled, and ultra-pure designs, suitable for various applications and industries[1].
    2. Authorized Supplier: Plast-O-Matic is recognized as an authorized supplier, ensuring quality and authenticity[2].
    3. Expertise: The company specializes in producing plastic valves and controls for corrosive and ultra-pure liquids, making them a leader in this field[6].
    4. Locations: Plast-O-Matic Valves, Inc. is headquartered in Cedar Grove, New Jersey, USA[7][10].
    5. Social Media: The company maintains a presence on Instagram, Twitter, and LinkedIn to connect with its audience[5][11][4].
    Address: 4054 Brewster Way, Riverside, CA 92501
    Hours: Closed ⋅ Opens 8 AM Wed

    NO. 10 Certified Safety Valve Repair, Inc. (Linden, NJ)

    certified safety valve repair
    certified safety valve repair

    Certified Safety Valve Repair, Inc. is an Authorized Valve Repair Facility with over 45 years of experience, located in Linden, New Jersey[1]. They provide high-quality valve repair services, serving various industries such as power generation and chemicals[4]. Here’s what you need to know about them:

    1. Authorized Valve Repair Facility: Certified Safety Valve Repair, Inc. is authorized to repair and service safety valves, which are critical components in ensuring the safety of industrial processes[1].
    2. Experience: With over four decades of experience, they have a strong track record in delivering reliable valve repair solutions[1].
    3. Service Areas: They serve the tri-state area and provide services to industries like power generation and chemicals[4].
    4. Contact Information: You can reach Certified Safety Valve Repair, Inc. at (908) 486-3590[5].
    Certified Safety Valve Repair Inc.
    617 Pennsylvania Avenue Linden. NJ 07036
    Phone: 908.486.3590
    Fax: 908.486.7862
    Email: [email protected]


    This guide serves not just as a list, but as a resource for professionals, enthusiasts, and anyone interested in the field of industrial safety and technology. By providing a detailed overview of these top manufacturers, we aim to assist in making informed decisions and fostering a deeper understanding of the pressure relief valve industry in the USA. If you require a cost-effective pressure relief valve, our THINKTANK valve definitely is your first choice. Please do not hesitate to contact us if you have any questions. Meanwhile, the following articles you may also interesting.

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    Will Don

    Will Don

    After earning my bachelor's degree in mechanical engineering from Zhejiang Normal University in 2008, l was fortunate enough to begin my career with Siemens, Fisher, and YTC, focusing on control valve accessories. Over the past dozen years, l've poured my heart and energy into understanding technology and fluid solutions for control valves.
    Now, as the marketing director for THINKTANK, a trusted branch of the Taiwan STONE valve group, I can't help butf eel proud of how far we've come. Our knowledge isn't just reaching professionals like engineer and valve distributors; it's also inspiring the next generation of automation college students.
    l genuinely hope you're enjoying our articles and finding them helpful.Your thoughts, questions, and feedback mean the world to me, so please don't hesitate to reach out to marketing[at] Whether you're a seasoned expert or just curious about the field, I'm here to connect, share, and learn together.

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    I am the author of this article, and also the CEO and marketing director of THINKTANK, with 15 years of experience in the industrial valve industry. If you have any questions, you can contact me at any time.

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