Sealing Of Optical Cable Joint Box Body

1. Box packaging: Before packaging the box, tighten the valve and grounding screw together? Insert the sealing strip into the sealing groove around the box body? Insert sealing strips into the "U" grooves at both ends of the joint box. Attention: When using sealing strips, do not manually pull the strips to prevent leakage.
2. Gently close the cover of the joint box, screw in the fastening bolts, and tighten them in the order indicated on the cover. Use a torque wrench to tighten the bolts to a torque of 25N · m.
3. After 5 minutes, tighten in sequence with a torque wrench, and the torque still reaches 25N · m.