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Optical Fibre Closure (Dome-Type)

This optical cable splice closure is a passive device that guarantees cables’ continuity. It consists of a splice closure cap, fixtures, sealing components, and a tray for gathering excess fibre.

Characteristics

Suits straight-through, branching, and splicing functions of cables.
Applicable to overhead, pole, and wall-mounted installation in ducts and manholes.
Built-in stacked and removable splice trays, for easy opening, installation, and maintenance.
Splice trays can be added or removed as required, suited to ribbon or bundle optical fibre.
Proper fibre routing; optical fibre or cable bending radius exceeds 30 mm at all points.

The order information

Item	Type	Specifications	Full Capacity		Sealing Method	Cable Ports	Applicable Cable Diameter	Installation Method
Item	Type	H × W× D (mm)	Bundle	Ribbon	Sealing Method	Cable Ports	Applicable Cable Diameter	Installation Method
Optical Fibre Closure (Dome-type)	GJS-7001	435 × 190	96	--	Heat-shrink seal	1 straight-through, 3 branches	Branch hole: φ8-16 mm, straight hole: φ8-25 mm	Overhead, wall and pole-mounted
	GJS-2022	598 × 285	960	--	Mechanical seal	1 straight-through, 8 branches	Branch hole: φ8-22 mm, straight hole: φ8-23 mm
	GPJ09-5601	450 × 230	144	432	Mechanical seal	1 straight-through, 4 branches	Branch hole: φ8-18 mm, straight hole: φ8-18 mm
	GPJ09-5607	520 × 245	96	--	Mechanical seal	1 straight-through, 4 branches	Branch hole: φ5-17.5 mm, straight hole: φ8-17.5 mm
	GTJA9001	460 × 230	144	432	Heat-shrink seal	1 straight-through, 4 branches	Branch hole: φ7-22 mm, straight hole: φ7-22 mm

Specifications

Product Series	GJS series, GPJ09 series, GTJA series
Protection Level	IP68
Operating Temperature	–40°C to +60°C
Storage Temperature	–40°C to +70°C
Atmospheric Pressure	70 kPa to 106 kPa
Leak Tightness at Ambient Temperature	100 kPa internal pressure maintained for 24 h
Temperature Cycle	Appearance and leak tightness maintained after 20 temperature cycles (–40°C to +65°C) under 60 kPa ±5 kPa
Pressure Resistance	Able to bear 2,000 N/100 mm pressure
Tensile Strength	Able to bear axial tension ≥ 800 N
Bend Resistance	Able to bear bending force of 150 N for ten ±45° bending cycles
Service Life	Over 20 years
Standards Compliance	Compliant with Chinese national standards, including YD/T814.1-2004 and YD/T814.2-2005, and international standards, including ITU L.13-2003 and UL 94

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Optical Fibre Closure (Dome-Type)

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