Dome Fiber Optical Closure:Dome Structure + Mechanical Sealing Reasonable structure design and easy installing 4 fiber cable inlet/outlet ports Outside Dimension(H*D): 288MM*178MM Sealing is achieved by tightening nut     Heat shrinkable seal Standard Accessories: 2pcs of special wrench, earthing wire, nylon tie, labeling paper, desiccant, 4 pieces of elastic ring, 4 pieces of plastic gaskets.  Technical Parameters:   1. Temperature: -40 °C ~ +60 °C  2. Optical performance: no significant ,additional degradation  3. leakproofness in room temperature: Internal pressure 70Kpa, and do not drop in 72 hours. 4. Temperature cycles: inflate (60 ± 5) Kpa in the box, temperature cycling is not less than     10 times, pressure drop is less than 5Kpa, immersed in room temperature water to observe    steadily for 15 minutes without bubbles escaping. 5. Sealing performance:inflate 100 Kpa in the box , soaked in room temperature water,     stable observation for 15min, no bubbles escaping; or steadily observe for 24 hours,     barometer pointer unchanged.                          6. Re-package performance:after repeat the package three times according to the stated     operation procedures , still can reach the index of the sealing performance. 7. Insulation resistance: ≥ 2 × 104MΩ. 8. Dielectric strength:No breakdown, no arc under 15KVDC/1min  ModelSize (mm) H×DCore capacityCable Port (max)Max diameter of cable (mm)Splice tray ModelCore capacity Per trayHTG-B001(I)288×178484Ø1603712HTG-B001(II)3×Ø12
1×Ø1324