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Heat exchangers, coils and condensers used in refrigeration applications come in a large variety of sizes and configurations. Leak rate specifications (normally in the range of 1 x 10^-5 atmcc/sec) typically require the use of a tracer gas with either sniffing or vacuum chamber test methods. High pressure nitrogen proof tests to meet UL or other requirements are often performed as part othe leak test.
Select a product category below for more info.
Helium Sniffing (HS): A manual method of sniffing a pressurized part to detect helium escaping a leak.
Helium Accumulation (HA): An automated method of capturing and accumulating helium in an enclosure surrounding a part pressurized with helium.
Helium HATSTM (HH): A patented (U.S. Pat. No. 7,905,132) automated method of capturing and accumulating helium in an enclosure (evacuated to partial vacuum) surrounding a part pressurized with helium.
Helium Vacuum (HV): An automated method where the test part or test fixture is evacuated to full vacuum while helium is introduced to the opposite barrier of the part.
Custom options and systems are available. Request a Quote to meet your needs.