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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.
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