Relief Valves - Watts
网页Relief valves are designed to open at a preset pressure (or temperature) level and relieve the system when it has exceeded the desired level. The valve's relief of elevated liquid, gas, or steam pressures prevents damage to the system. We offer a wide selection of relief valves for any application.
174A - Watts
网页174A. Boiler Pressure Relief Valves and Flood Sensor. Series 174A Boiler Pressure Relief Valves now come packaged with SentryPlus Alert® discharge line flood sensors for monitoring unwanted valve discharges once activated.
Air Relief Valves - McMaster-Carr
网页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.
网页Watts Safety Relief Valves feature a two-ring design that ensures sharp opening action and short blowdown, providing over-pressure protection with minimal loss of steam, gas, or vapor. Our valves have a top guided, full nozzle, high capacity design to minimize valve wear and provide longer service life.
网页Watts Series 53 Pressure Relief Valves are spring operated bronze relief valves designed to be used only as protection from the build up of excessive pressure in systems containing water, oil or air. These valves are not ASME approved safety relief valves and should not be used in system applications with this requirement.
Watts Relief Valves - Ferguson
网页Shop for Watts Relief Valves at Ferguson. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products.
Watts 1/2 in. Brass MPT Vacuum-Relief Valve 1/2 LFN36M1 - The Home Depot
网页This lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment.
What is an Air Relief Valve, Air Release Valve, or Air Valve?
网页Air Relief Valves work as a safety device by releasing the air pockets that may be generated at each high point of a fully pressured pipeline. If not released, this trapped air may cause various problems like flow issues, pump failures, corrosion, faulty instrumentation readings, and pressure surges.
3/4 in. Lead Free Brass Vacuum Relief Valve - The Home Depot
网页This 3/4 inch lead free vacuum relief valve is suitable for low pressure steam and water service, and is ideal for use in domestic water heaters and supply tanks. This valve automatically allows air to enter into the piping system to prevent vacuum conditions that could siphon water from the system and damage water equipment.
网页Watts Safety Relief Valves feature a two-ring design that ensures sharp opening action and short blowdown, providing over-pressure protection with minimal loss of steam, gas, or vapor. Our valves have a top guided, full nozzle, high capacity design to minimize valve wear and provide longer service life.