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  Catalogue -> Optical accessories -> GPJ-F Fiber Optic Splice Closure (FOSC)

GPJ-F Fiber Optic Splice Closure (FOSC)


Dome GPJ-F is a vertical type. Hoop is used to fix and seal FOSC cover and base, and its installation is quite simple. GPJ-F is provided with 6 fiber cable inlet/outlet ports and sealing is achieved by tightening nut after inserting fiber cable. The FOSC is suitable for protecting fiber cable splices in straight-through and branching applications. It can be placed in aerial, underground, wall-mounting and wall-mounting in handhole and duct applications. Based on an advanced formula, the plastic parts are made of injection-molded, high-strength engineering plastic PC by numerical control equipment, therefore effectively prevent products from aging caused by coldness, heat, oxygen and ultraviolet radiation. The strong housing and main components provide fire resistant, waterproof, and quakeproof while protecting splices during pulling, torsioning and impacting. It ensures long-term reliability and usage under ambient temperature from -40C to +65C



The GPJ-F has the following outstanding features.

  • Advanced internal structure design
  • Easy and fast to fix fiber cable
  • Easy to re-enter,it never requires re-entry kits
  • The closure is spacious enough for winding and storing fibers
  • Fiber Optic Splice Tray (FOSTs) are designed in  SLIDE-IN-LOCK and its opening angle is above 90 o
  • The curved diameter meets with international standard.
  • Easy and fast to increase and reduce FOSTs.
  • Innovative elastic integrated seal fitting
    All of the above features make it more easy and convenient for installation, maintenance and reuse. If required, the earthing deriving device can be installed on the housing of FOSC for deriving metallic parts of fiber cable for earthing connection. Pressure testing valve can be installed as well for pressure testing and sealing testing after injecting air.


  • GPJ-F consists of one set of elastic integrated seal fitting, our company patent product, which, based on an advanced formula, is made of injection-molded, high quality elastic sealing material by numerical control equipment. It is installed between FOSC cover and the hoop and nut. Under ambient temperature from 40C to +65C it can be shrinking and dilating to ensure long-term sealing performance of FOSC. It also ensures good re-sealing performance after closing and re-entry for many times. Elastic integrated seal fitting is a new breed in China and advanced internationally.


    S Sealing is achieved by locking the hoop and tightening nut, therefore easy for installation The most strongpoint is that the hoop, nut and housing are made of injection-molded, high-strength engineering plastic PC by numerical control equipment; They, together with elastic integrated seal fitting, can be shrinking and dilating at the same rate under violent changes of ambient temperature, therefore the closure ensures long-term reliability and sealing performance.


    tray010(L*W:210mm*105mm)

    The capacity of bunchy FOST 010 is from 12 to 24 cores


    tray012(L*W:210mm*105mm)

    Ribbon FOST 012 can accommodate 6 pieces of ribbon heat shrinkable protective sleeves.
      Optical equipment
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         Connector Series
         GPJ-M Fiber Optic Splice Closure
         GPJ-8020 Fiber Optic Splice Closure
         GPJ-A Fiber Optic Splice Closure
         GPJ-B Fiber Optic Splice Closure
         GPJ-E Fiber Optic Splice Closure
         GPJ-8022 Fiber Optic Splice Closure
         GPJ-8023 Fiber Optic Splice Closure
         GPJ-F Fiber Optic Splice Closure
         GPJ-O Fiber Optic Splice Closure
         GPJ-N Fiber Optic Splice Closure
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