This standard specifies the main parameters, equipment composition, manufacturing and materials, technical requirements and test methods, inspection rules, marking, packaging, transportation and storage of the 6071 HY helium-oxygen heavy diving equipment (hereinafter referred to as the diving equipment). This standard applies to diving equipment with both regenerative and open cycles using artificially prepared helium-oxygen mixture as the breathing medium.
JT/T 208-2008 Referenced Document
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 196 General purpose metric screw threads--Basic dimensions
GB/T 197 General purpose metric screw threads—Tolerances*, 2018-03-15 Update
JT/T 208-2008 history
2008JT/T 208-2008 Helium-Oxygen diving equipment model 6071 HY
1995JT/T 208-1995 Helium-Oxygen diving equipment model 6071 HY