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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.
These valves have a bronze body for durability and a long service life. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.
With a 316 stainless steel body for exceptional corrosion resistance, these valves are often used in wet conditions and harsh environments. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.
Commonly used with high-volume blowers, compressors, and air-powered conveyors, these valves quickly relieve a large amount of air in systems with a pipe size of 2 or greater.
Commonly used with high-volume blowers, compressors, and air-powered conveyors, these valves quickly relieve a large amount of air in systems with a pipe size of 2 or greater. 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.
These valves meet ASME Code Section I for use with steam power boilers requiring pressure relief above 15 psi.
For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV.
Choose these valves for small steam-heating boilers requiring pressure relief between 5 psi and 12 psi.
These valves meet ASME Code Section VIII for use with water pressure vessels.
Protect your water-heating system with these valves that meet ASME Code Section IV for hot water heaters and boilers.
Also known as T & P valves, these open when water temperature reaches 210° F or at the set pressure.
Our only valves that meet ASME Code Section VIII for use with cryogenic pressure vessels. They are for use with argon, carbon dioxide, helium, hydrogen, methane, nitrogen, and oxygen.
Use these valves with liquid argon, liquid nitrogen, and liquid oxygen.
These valves are commonly used with pumps in low-pressure water systems.
Alter the set pressure to suit your application.
Change set pressure without guesswork—the adjustment screw is marked in 25 psi increments for making pressure adjustments without a gauge.
Design a valve specifically for your process media and set pressure. Choose from a valve for air, inert gas, water, hydraulic oil, fuel oil, gasoline, or diesel fuel and a set pressure.
A finely threaded adjustment screw lets you make precise set pressure adjustments.
To gradually relieve pressure in lines for diesel fuel, fuel oil, gasoline, and kerosene, these valves begin opening at the set pressure and fully open at about 10% over the set pressure.
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.
These valves are often used in hydraulic and lubrication systems.
Cleaned and bagged for oxygen service and other high-purity applications, these valves are built to withstand the extreme cold of liquid carbon dioxide, liquid nitrogen, and liquid oxygen.
These valves are often used with catalysts, pH buffers, and electroplating solutions.
With a three-port design, these valves allow inline flow from the inlet to the outlet during normal conditions and divert flow through the relief port in overpressure conditions. They are often used with feed pumps for fertilizers and bleach.
For a longer service than cast iron valves, these have a durable bronze body and a 303 stainless steel seal.
These valves have a cast iron body.
Threads below the adjustment knob and an included panel-mount nut allow you to add these valves to your instrument panel.
Use these valves in pipelines.
Designed to meet 3-A sanitary standards, these valves regulate liquid, gas, and air pressure in hygienic zones of food and beverage plants.
These valves have a vented relief port to exhaust discharge directly.
Also known as fusible plugs, these discs have a metal core that melts at a set temperature to exhaust discharge directly.
Instead of exhausting discharge directly, these discs have a threaded relief port for attaching a drain line to direct discharge away from your work environment.
Install these discs within the bolt circle of ANSI Class 150 flanges.
A padlock locks the handle of these valves in the shut-off position so you can disconnect air tools safely.
These valves have a muffler to reduce exhaust noise. A padlock locks the handle in the shut-off position so you can disconnect air tools safely.
Also known as blocking valves, these valves allow airflow while an air signal is applied to the air pilot. When the signal stops, the valve closes, trapping air in the system.
Also known as air fuses, these valves close automatically to turn airflow off when air volume exceeds the shut-off flow rate.
To prevent accidental start-up, these valves can be locked in their off position with a padlock. They create one action, such as extending a cylinder.
Prevent accidental start-up when servicing equipment.
To set the pressure, unscrew the cap and turn the adjusting screw.
The pressure setting on these valves cannot be adjusted while they are installed.
An external nut lets you adjust the pressure without disassembling the valve.
Set a specific pressure and these valves will maintain it by diverting excess fluid to a tank.
Set a specific pressure and these valves will maintain it.
Often used in tubing systems with low-flow drinking water faucets and fixtures, this valve meets NSF/ANSI 61 and has compression fittings that bite down on hard metal and plastic tubing for a secure seal. It blends hot and cold water to automatically maintain a set outlet temperature.
Mix steam and cold water to reach your set outlet temperature more quickly than valves that only mix hot and cold water.
Commonly used in washdown applications, these systems include a temperature-regulating valve with an internal check valve and vacuum breaker to prevent backflow, two ball valves for manual control of the water supply, a dial thermometer that displays the outlet temperature, and a hose rack for storage.
For use in systems with flow rates up to 25 gpm.
Often used with large water heaters and other applications with flow rates greater than 25 gpm.
Compression fittings bite down on hard metal and plastic tubing for a secure seal.
Solder to copper tubing.
Body is bronze.
Nearly half the height of our other remote-reading temperature-regulating valves, these are often used in low-clearance areas.
Control flow in two directions from a single source—these valves have two handles for independent operation of each outlet. Use them with water, oil, and inert gas.
Ensure water flows at a comfortable temperature.