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Less than a quarter of the height of standard pressure-relief valves, these are often installed on tanks in low-clearance areas.
For a low-pressure seal around plastic and soft metal tubing, these valves have push-to-connect fittings.
Body is brass or nickel-plated brass. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.
The most basic option for air and inert gas applications.
For corrosion resistance in wet conditions and harsh environments, these valves have a 303 stainless steel body. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.
Change set pressure to suit your application—this valve includes four interchangeable color-coded springs with different set pressure ranges.
Choose these valves for small steam-heating boilers requiring pressure relief between 5 psi and 12 psi.
For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV.
Use these valves with liquid argon, liquid nitrogen, and liquid oxygen.
Body is brass.
These valves are made of corrosion-resistant materials for use in wet conditions and harsh environments.
For excellent corrosion resistance in wet conditions and harsh environments, these valves have no metal parts.
An internal wire brush traps air bubbles and discharges them through the top relief port while allowing inline flow from the inlet to the outlet.
Turn the key to manually vent radiators and heaters.
Use this valve with oil, diesel fuel, gasoline, and kerosene.
Eliminate air pockets in your drinking water system with these valves. They meet NSF/ANSI 61, which designates them as safe to use with drinking water.
Our only air-release valves for steam, these seal shut when steam enters the valve to prevent system contents from escaping through the relief port.
Also known as fusible plugs, these discs have a metal core that melts at a set temperature to exhaust discharge directly.
These valves have a vented relief port to exhaust discharge directly.
Protect against excess vacuum and pressure in cylinders, gear boxes, enclosures, manifolds, and tanks.
These breather vents withstand corrosion in damp environments.
These breather vents are rated NEMA 6 to withstand periodic submersion in water.
Shield outdoor pipe and tank openings from the environment. Also known as vent caps, these breather vents have screens to allow air flow while blocking debris.
Minimize moisture buildup in enclosures. Also known as drain plugs, these breather vents have a small outlet that allows condensation to drain.
Secure access to vented openings in pipe and tanks—the cap can be locked to prevent tampering.
Add a filling port to your hydraulic tank while protecting against excess pressure and vacuum.
Keep moisture, dirt, and debris from entering your oil reservoirs.
Safe for use around flammable and combustible gases, vapors, fibers, and dust, these vents allow air to flow through enclosures to maintain consistent pressure and reduce moisture buildup as temperatures change. They also stand up to washdowns.
Use these vents to maintain consistent pressure as temperatures fluctuate by allowing air to flow through sealed enclosures.
These vents have louvers with foam filters to keep out dust and falling liquids.
No threaded hole or tools needed—snap these vents into enclosures with a maximum 1/8” panel thickness to let airflow in and keep water out even when submerged.
Rated NEMA 4X, these vents provide protection from washdowns, corrosion, and power jets of water.
These vents maintain air pressure inside enclosures that may be exposed to indoor and outdoor temperature changes while keeping dust and water out.
Safe for use around hazardous gasses and dust, these vents maintain steady pressure and prevent moisture buildup from temperature changes inside enclosures.
Mount to the outside of your enclosure to prevent moisture from being trapped inside.
Attach these vents to the top or side of sealed enclosures, so air can flow through to equalize internal and external temperature and pressure.
These conductive aluminum screens block electromagnetic interference (EMI) and radio frequency interference (RFI) to prevent electrical problems such as radio static and faulty signals. Made of mesh, they let air flow through, so the pressure in your enclosure stays constant as temperatures fluctuate.
Safe for use around flammable and combustible gases, vapors, fibers, and dust, these drains let moisture buildup from temperature changes inside enclosures drip out to keep electronics dry.
Mount these drains at the bottom of your enclosure to let moisture drip out and keep electronics dry.
Prevent drum failure by using these vents to release pressure caused by sudden temperature changes and vacuum buildup caused by draining liquids.
A plastic body withstands pH neutralizing, cleaning, and plating solutions containing sodium hydroxide, methyl ethyl ketone, and other harsh chemicals.
Commonly used with irrigation systems and laboratory equipment, these valves have NPT connections.
Rated for 12 times the pressure of standard vacuum-breaking valves, these can handle up to 1,500 psi. Connections are NPT.
Prevent dirty, contaminated water from backing up into your garden hose line—install these valves between a faucet and a garden hose.
Stop backward flow in outdoor faucets with garden hose thread (GHT) outlets.