Applications:
JSF series screw type lens suitable for refrigeration equipment,ship,pressure vessel and machinery industry,according to the level of observation Device and can be used for pressure for ≤3mpa,using temperature was minus 40~180 ℃ conditions for safe use.
Structure shown in below figure:
Applications:
JSF series screw type lens suitable for refrigeration equipment,ship,pressure vessel and machinery industry,according to the level of observation Device and can be used for pressure for ≤3mpa,using temperature was minus 40~180 ℃ conditions for safe use.
Structure shown in below figure: