The 30 best pressure relief valve brands in 2026
Watts, Rexroth and Vickers lead our ranking of 30 pressure relief valve brands. Compare what each brand makes, visit its official site, or shop it online.
Pressure Relief Valve brands, ranked
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1
Watts
Watts makes spring-loaded pressure relief valves for water heaters, boilers, and plumbing systems.
Website: watts.com |Brands like Watts
Popularity 10.0/10
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2
Rexroth
Bosch Rexroth makes hydraulic pressure relief valves, including direct-acting and pilot-operated designs for industrial circuits.
Website: boschrexroth.com |Brands like Rexroth
Popularity 7.7/10
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3
Vickers
Vickers, an Eaton brand, makes hydraulic pressure relief valves for mobile and industrial hydraulic systems.
Website: vickers-hydraulics.com |Brands like Vickers
Popularity 7.5/10
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4
SMC
SMC makes pneumatic pressure regulators and relief valves for compressed air systems in factory automation.
Website: smccandles.co.uk |Brands like SMC
Popularity 5.0/10
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5
Henry
Francis & Henry is a European apparel company that focuses on necessities for Maternity, Nursing, and the Hospital Bag. It was founded in 2016. Francis & Henry has a variety of pregnant, childbirth, and lactation goods. Their apparel line is extremely feminine yet functional, handcrafted in Poland from soft and delicate materials, allowing mothers to enjoy parenthood in both style and comfort. Their goods are beautifully packaged and make the ideal present for a cherished mom.
Website: francisandhenry.com |Brands like Henry
Popularity 4.1/10
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6
Sun Hydraulics
Sun Hydraulics makes cartridge-style hydraulic relief valves for manifold and cartridge valve systems.
Website: sunhydraulics.com |Brands like Sun Hydraulics
Popularity 3.0/10
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7
Norgren
Norgren makes pneumatic pressure relief valves and regulators for compressed air and industrial automation.
Website: norgren.com |Brands like Norgren
Popularity 2.4/10
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8
Swagelok
Swagelok makes high-pressure relief valves for fluid and gas systems, sold as stainless steel fittings and valves.
Website: swagelok.com |Brands like Swagelok
Popularity 2.4/10
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9
Bell & Gossett
Bell & Gossett is an industry-leading manufacturer of heat exchangers, valves, pumps, and accessories for wastewater, HVAC, and plumbing. They have served the market for multiple decades and are known for their first0rate products, innovative solutions, and vast expertise in...
Website: bellgossett.com |Brands like Bell & Gossett
Popularity 2.2/10
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10
Double A
Double A makes hydraulic pumps, valves, and pressure relief valves for industrial and mobile hydraulic equipment.
Website: doubleahydraulics.com |Brands like Double A
Popularity 1.9/10
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11
McDonnell & Miller
With the intention of offering exceptional quality water solutions for all its consumers, McDonnell & Miller, tied with Xylem, provide an entire selection of cutting-edge wastewater and water solutions and products for various industries, including public utilities, food production, and...
Website: mcdonnellmiller.com |Brands like McDonnell & Miller
Popularity 1.8/10
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12
Rego
Rego makes gas pressure regulators and relief valves for residential and commercial gas distribution systems.
Website: regoproducts.com |Brands like Rego
Popularity 1.8/10
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13
HydraForce
HydraForce makes cartridge hydraulic valves, including pressure relief valves for manifold-based hydraulic systems.
Website: hydraforce.com |Brands like HydraForce
Popularity 1.6/10
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14
Lunkenheimer
Lunkenheimer makes industrial valves, including safety and relief valves for steam, air, and process service.
Website: lunkenheimercvc.com |Brands like Lunkenheimer
Popularity 1.5/10
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15
Eaton
Eaton makes hydraulic pressure relief valves and cartridge valves for industrial and mobile hydraulic systems.
Website: eaton.com |Brands like Eaton
Popularity 1.3/10
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16
Ingersoll Rand
Ingersoll Rand makes air compressors and related safety relief valves for compressed air receivers and systems.
Website: ingersollrand.com |Brands like Ingersoll Rand
Popularity 1.3/10
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17
Danfoss
Danfoss makes hydraulic and refrigeration pressure relief valves alongside its drives, controls, and compressor components.
Website: danfoss.com |Brands like Danfoss
Popularity 1.3/10
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18
Festo
Festo makes pneumatic pressure regulators and relief valves for factory automation and compressed air systems.
Website: labvolt.festo.com |Brands like Festo
Popularity 1.3/10
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19
MOOG
MOOG began way back in 1951. Founders Bill and Art Moog, and Lou Geyer started the company with limited resources. The company had grown a lot with time. Now, MOOG is focused on developing and manufacturing advanced motion control products....
Website: moog.com |Brands like MOOG
Popularity 1.3/10
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20
Parker Hannifin
Parker Hannifin makes hydraulic pressure relief valves and cartridge valves for industrial and mobile equipment.
Website: parkermotion.com |Brands like Parker Hannifin
Popularity 1.3/10
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21
Clippard
Clippard makes miniature pneumatic valves, including pressure relief and regulating valves for compact air systems.
Website: clippard.com |Brands like Clippard
Popularity 1.0/10
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22
Nachi
Nachi makes hydraulic pumps and valves, including pressure relief valves for industrial hydraulic circuits.
Website: nachiamerica.com |Brands like Nachi
Popularity 1.0/10
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23
Enerpac
Enerpac makes hydraulic tools, pumps, and valves, including pressure control valves for high-pressure hydraulic systems.
Website: enerpac.com |Brands like Enerpac
Popularity 1.0/10
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24
Spirax Sarco
Spirax Sarco makes steam safety and pressure relief valves along with steam traps and process control equipment.
Website: spiraxsarco.com |Brands like Spirax Sarco
Popularity 1.0/10
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25
HAWE
HAWE makes hydraulic valves, including pressure relief and pressure reducing valves for industrial hydraulics.
Website: hawe.com |Brands like HAWE
Popularity 1.0/10
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26
ITT
ITT makes pumps and industrial valves, including safety and relief valves for process and power applications.
Website: itt.com |Brands like ITT
Popularity 0.7/10
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27
Johnson Controls
Johnson Controls is the leading developer and producer of HVAC application solutions. Their company provides clients with integrated solutions to fulfill their demands in sectors like commercial buildings and industrial facilities. They provide various goods, including temperature control devices, sensors,...
Website: necc-controls.com |Brands like Johnson Controls
Popularity 0.7/10
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28
ASCO
ASCO is dedicated to maximizing customer efficiencies, optimizing applications, and improving safety. The industrial application is for refining that can handle harsh environments and demanding usage requirements. Medical services include drug-delivery systems, respirators, and face masks used for performance in...
Website: ascovalve.com |Brands like ASCO
Popularity 0.7/10
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29
ATOS
ATOS makes hydraulic valves, including pressure relief valves and cartridge valves for industrial hydraulic systems.
Website: atos.com |Brands like ATOS
Popularity 0.7/10
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30
Keckley
Keckley is a family-owned business that manufactures industry-leading valves and strainers. Functioning for more than 100 years, Keckley has a thorough understanding of the industry and constantly expands its line of products to exceed the expectations of its ever-expanding customer...
Website: keckley.com |Brands like Keckley
Popularity 0.7/10
Official websites and social accounts
| Brand | Website | X / Twitter | YouTube | ||
|---|---|---|---|---|---|
| Watts | watts.com | – | – | – | – |
| Rexroth | boschrexroth.com | /BoschRexroth | boschrexroth_global | @BoschRexroth | BoschRexrothGlobal |
| Vickers | vickers-hydraulics.com | – | – | – | – |
| SMC | smccandles.co.uk | /smccandles | – | – | – |
| Henry | francisandhenry.com | /francisandhenry | francisandhenry | – | – |
| Sun Hydraulics | sunhydraulics.com | – | – | – | – |
| Norgren | norgren.com | – | – | @NorgrenNews | – |
| Swagelok | swagelok.com | /swagelok | – | @swagelok | swagelok |
| Bell & Gossett | bellgossett.com | /bellandgossett | – | @BellGossett | – |
| Double A | doubleahydraulics.com | – | – | – | – |
Pressure Relief Valve Buying Guide
Pressure relief valves are critical components in any equipment or system that involves pressure or containment of fluids, gases or steam. These valves are designed to protect the equipment, piping or vessels from the damaging effects of overpressure and are essential for ensuring the safety and efficiency of the system.
Choosing the right pressure relief valve is crucial for the proper operation of the equipment and to avoid potential safety hazards. In this guide, we will discuss the key factors that you need to consider when buying a pressure relief valve.
Purpose and Application
The first thing you need to identify is the purpose and application of the pressure relief valve. Different applications require different types of valves and different pressure settings. You need to consider factors such as the fluid or gas medium, temperature, pressure range, flow rate, and whether the valve is used for liquid, gas or steam service.
If you are unsure about the specifications and requirements of your application, it is advisable to consult a technical expert or valve manufacturer to ensure that you select the right valve for your application.
Valve Type
There are different types of pressure relief valves available in the market. Some of the most common types of valves are:
- Spring loaded safety relief valves
- Pilot operated safety relief valves
- Pressure reducing valves
- Pressure vacuum relief valves
- Diaphragm valves
- Relief valves with bellows
The type of valve you choose depends on the application and the system requirements. For example, spring loaded safety relief valves are commonly used in low to medium pressure applications where the discharge capacity is low, while pilot operated safety relief valves are used in high pressure applications where the discharge capacity is high.
Capacity and Sizing
The capacity of the pressure relief valve should be capable of handling the maximum flow rate of the system or equipment. If the valve capacity is too low, it may not be able to handle the full flow rate, which can result in excessive pressure buildup and damage to the system.
When sizing a pressure relief valve, you need to consider the required capacity, the set pressure, back pressure, and discharge piping size. The valve capacity is typically expressed in terms of the maximum flow rate in cubic meters per hour or per minute.
You can use valve sizing software or consult the valve manufacturer for guidance on the correct sizing of the valve based on your system requirements.
Set Pressure
The set pressure is the pressure level at which the valve opens to relieve the excess pressure. This is a critical factor that needs to be carefully considered when selecting a pressure relief valve.
The set pressure should be set below the maximum allowed pressure of the system or equipment, and it should be high enough to prevent premature opening of the valve due to normal operating variations in system pressure or temperature. The set pressure is typically expressed in PSI, bar or kilopascals.
Material Selection
The material selection is an important consideration when selecting a pressure relief valve. The valve should be made from materials that are compatible with the fluid or gas medium and the operating conditions of the system.
Common materials used for pressure relief valves include stainless steel, brass, carbon steel, and bronze. Some applications may require the valve to be coated or lined with a specific material to resist corrosion and ensure long-term performance.
Seal and Seat Material
The seal and seat material of the pressure relief valve should be selected based on the compatibility with the fluid or gas medium and the operating conditions of the system.
Common seal and seat materials include Teflon, Viton, Nitrile, and EPDM. The selection of these materials can affect the reliability, durability, and the overall performance of the valve.
Certification and Standards
Pressure relief valves must meet certain standards and certification requirements to ensure that they are safe and reliable for use in the intended application.
The most common certifications and standards for pressure relief valves include ASME, API, ISO, and CRN. It is important to select valves that are certified and meet the relevant standards to ensure that they are reliable, safe, and perform as intended.
Manufacturer and Vendor Selection
Selecting a reputable manufacturer or vendor is crucial when buying a pressure relief valve. You need to ensure that the manufacturer has a proven track record of quality and reliability, and that they provide robust technical support and after-sales service.
The vendor selection is also important as it can affect the delivery time, pricing, and the level of support that you receive. You should choose a vendor who has a broad range of products and can provide you with the technical expertise and support that you need.
Conclusion
Selecting the right pressure relief valve is critical for ensuring the performance, safety, and reliability of your system or equipment. You need to consider factors such as the valve type, capacity, sizing, set pressure, material selection, seal and seat material, certification and standards, and manufacturer and vendor selection.
By following these guidelines and working with a reputable manufacturer, you can find the right pressure relief valve that meets your application requirements, and helps you to avoid potential safety hazards and equipment damage.
