Best Stainless Steel Relief Valves of 2025

Tom Law Avatar
Tom Law
Last Updated: 29 Jan 2025

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Stainless Steel Relief Valves are essential safety devices used to prevent overpressure and potential damage in various industrial applications. These valves are made of durable stainless steel material and come in different sizes and pressure ratings to suit different systems' requirements. They are designed to automatically release excess pressure in a system, thus avoiding potential accidents and damage. These valves are widely used in industries such as oil and gas, chemical processing, and pharmaceuticals, among others. Their reliability and durability make them an excellent choice for any system that requires pressure control.

At a Glance: Our Top Picks

IP68 Waterproof Stainless Steel Hydraulic Breather Vent Plug Cover #TOP 1
IP68 Waterproof Stainless Steel Hydraulic Breather Vent Plug
ftb score rating icon 9.8
DERNORD Adjustable Pressure Vacuum Relief Valve Cover #TOP 2
DERNORD Adjustable Pressure Vacuum Relief Valve
ftb score rating icon 9.7
uxcell Safety Valve for Air Compressors Cover #TOP 3
uxcell Safety Valve for Air Compressors
ftb score rating icon 9.5

Top 9 Stainless Steel Relief Valves

#TOP 1

IP68 Waterproof Stainless Steel Hydraulic Breather Vent Plug

myezfit
1-4NPT
Silvery
IP68 Waterproof Stainless Steel Hydraulic Breather Vent Plug Cover
New IP68 Waterproof Stainless Steel 1/4" Male NPT Hydraulic Breather Vent Plug LED Respirator Balance Valve

The myezfit Hydraulic Breather Plug is crafted from durable stainless steel, ensuring long-lasting performance. It features a 1/4" Male NPT thread type, making it easy to install in various applications. The grease-proof and oil-proof design helps keep contaminants out, providing you with reliable operation. Additionally, the dustproof NPT vent plug enhances protection against dirt and debris, which is essential for maintaining the efficiency of your hydraulic systems. This product is perfect for anyone looking to enhance the longevity of their equipment.

What We Like
Durable stainless steel construction
Easy to install
Grease and oil proof
Dustproof design
#TOP 2

DERNORD Adjustable Pressure Vacuum Relief Valve

DERNORD-1297
DERNORD Adjustable Pressure Vacuum Relief Valve Cover
DERNORD Sanitary Adjustable Pressure Vacuum Relief Valve Safety Valve SS304 1.5” Tri-Clamp

The DERNORD Relief Valve is designed for efficiency and safety in various applications. With an adjustable pressure range of 1 to 2.5 bar, you can tailor it to your specific needs, ensuring optimal performance. The 1.5" tri-clamp connection makes installation straightforward, allowing for quick and easy setup. Made from stainless steel 304, it offers excellent durability and resistance to corrosion, ideal for a range of environments. Additionally, it operates effectively within a temperature range of -30℃ to 150℃, giving you flexibility for different conditions.

What We Like
Adjustable pressure control
Easy installation
Durable stainless steel material
Wide operating temperature range
#TOP 3

uxcell Safety Valve for Air Compressors

a19032500ux0157
1/4"
uxcell Safety Valve for Air Compressors Cover
uxcell Safety Valve Air Compressor Pressure Relief Valve, G1/4 Male, 115PSI Set Pressure, Red Hat, 1Pack

The uxcell Pressure Relief Valve is an essential safety component designed for small air compressor systems. With a G1/4 male threaded inlet, it makes installation straightforward and secure. The relief pressure is preset to 115PSI, ensuring that your compressor is protected from back pressure. Constructed from brass and featuring a stainless steel spring, this valve offers impressive corrosion resistance, enhancing its durability. By threading this valve into the manifold, you can easily maintain the safety of your equipment.

What We Like
Easy installation
Protects against back pressure
Corrosion-resistant materials
Presets pressure for convenience
#TOP 4

Merrill MFG No Lead Brass Pressure Relief Valve 75 PSI

Merrill
PRVNL75
Merrill MFG No Lead Brass Pressure Relief Valve 75 PSI Cover
Merrill MFG PRVNL75 No Lead Brass Pressure Relief Valve 75 PSI, 3/4"

The Merrill Pressure Relief Valve is designed to protect your cold water systems from excessive pressure. With a 3/4 inch male NPT to 1/2 inch female FPT connection, it ensures compatibility with various installations. Made from lead-free brass and featuring stainless steel control springs, this valve is IAMPO Certified for safety. Operating at a pressure of 75 PSI, it provides peace of mind knowing that your system is safeguarded against pressure surges.

What We Like
Lead-free brass construction
IAMPO Certified for safety
Protects against excessive pressure
Compatible with various installations
#TOP 5

Control Devices VR25-100 Brass Vacuum Relief Valve

VR25-100
0.25 Inch
Control Devices VR25-100 Brass Vacuum Relief Valve Cover
Control Devices - VR25-100 VR Series Brass Vacuum Relief Valve, 0-30" Hg Vacuum Range, 1/4" Male NPT

The VR25-100 Relief Valve offers adjustable relief pressure from 0 to 30" Hg, allowing you to tailor it to your specific needs. Its 1/4" male NPT threaded inlet connection ensures a secure and straightforward installation. Made from brass with a stainless steel spring, this valve provides excellent corrosion resistance, increasing its durability. Additionally, its proportional relief feature allows for a variable opening rate, giving you better control over your system's performance.

What We Like
Adjustable relief pressure
Corrosion-resistant materials
Easy installation
Variable opening rate
#TOP 6

Cash Acme NCLX Temperature Pressure Relief Valve

Cash Acme
15836-0150
Bronze
3/4"
Cash Acme NCLX Temperature Pressure Relief Valve Cover
Cash Acme 15836-0150 Temp Pressure Relief Valve, Bronze, 3/4"

The Cash Acme NCLX Valve is designed to protect your water heaters and storage tanks. Its unique thermal element coating helps prevent mineral deposits and galvanic corrosion, ensuring longevity. The cast bronze body along with brass and stainless steel internal parts enhances durability. With standard settings of 150 PSI and 210 degrees F for pressure and temperature relief, you can enjoy peace of mind knowing your system is well-regulated and safe.

What We Like
Durable, quality materials
Effective corrosion protection
Standardised pressure relief settings
Compact design
#TOP 7

MOZTO 304 Stainless Steel Pressure Relief Valve

MOZTO
AYTOSH
1/4"
MOZTO 304 Stainless Steel Pressure Relief Valve Cover
MOZTO BSPT Male 304 Stainless Steel Sanitary Spring Pressure Air Relief Safety Valve, For Home Improvement Homebrew Valves (Color : 1/4", Size : 0.5-2 Bar Adjustable)

The MOZTO Pressure Relief Valve is constructed from high-quality 304 stainless steel, ensuring excellent mechanical properties and durability. This adjustable valve is suitable for use with air compressors and pressure cookers, providing flexibility in various applications. Featuring a quick connector, it offers a strong, secure connection that is resistant to high pressure. This makes installation and maintenance straightforward, giving you peace of mind with its reliable and safe operation.

What We Like
Durable stainless steel construction
Adjustable pressure settings
Easy installation and maintenance
Strong pressure resistance
#TOP 8

VAV 3/4-Inch Temperature Pressure Relief Valve

VAV
RXZER890
Yellow
VAV 3/4-Inch Temperature Pressure Relief Valve Cover
VAV Temperature Pressure Relief Valve with 3/4-Inch Pipe Thread, 150Psi, Designed to Protect Water Heater and Storage, Lead-free Copper, CSA LISTED, CSA 4.4-2015 Certification

The VAV Relief Valve is a high-quality solution designed to protect your water heater and storage. It features a lead-free copper body, ensuring it is both environmentally friendly and safe for your use. With a pressure tolerance of up to 150 psi, it provides reliable performance. The built-in temperature detection with a 4" probe helps prevent excessive heat, safeguarding your RV water heater. This valve is ideal for maintaining optimal conditions, giving you peace of mind during usage.

What We Like
Lead-free copper construction
High pressure tolerance
Temperature detection feature
Durable and corrosion resistant
#TOP 9

Oumefar Brass Right Angle Water Heater Valve

Oumefaryn73mkxdgs-01
Oumefar Brass Right Angle Water Heater Valve Cover
G1/2'' Relieve The Pressure Right Angle Knob Water Heater Relief Valve Brass Casting for Home Fireplaces for Solar Workstations(3bar Dn15)

The Oumefar Water Heater Valve is constructed from premium brass, ensuring it is both strong and durable. This valve meets all federal and state standards for lead levels in drinking water, providing peace of mind for users. Its leakproof design prevents any unwanted water escape, while the coloured handles allow you to easily identify hot and cold valves, making usage straightforward. Additionally, the valve is designed with a smooth, round shape that won’t hurt your hands, adding to its user-friendly features.

What We Like
Durable brass construction
Leakproof design
Easy identification of valves
Smooth and safe to handle
Buying Guide Image
Editor's Notes

During our stainless steel relief valve research, we found 23 stainless steel relief valve products and shortlisted 9 quality products. We collected and analyzed 5,873 customer reviews through our big data system to write the stainless steel relief valves list. We found that most customers choose stainless steel relief valves with an average price of £17.60.

The stainless steel relief valves are available for purchase. We have researched hundreds of brands and picked the top brands of stainless steel relief valves, including myezfit, DERNORD, Uxcell, Merrill, Control Devices.

Written by
Tom Law Avatar

Tom Law is an adventurer who has captured his love for nature into all of his works. A native of Newcastle, Tom has always wanted to share beautiful stories alongside the lovely sights of nature. Fortunately, he took into photography on one of his many journeys and gradually grew a passion for it. Tom Law is now an expert photographer who tours the world while creating and keeping memories of his adventures. He frequently puts his thoughts and experiences into writing.