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GRHALTTLV - Underwater Loose tube
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GRHALTTLV - Underwater Loose tube
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GRHALTTLV - Underwater Loose tube Type GRHALTTLV is a loose tube fibre optical cable. The cable type is intended for use in regional and urban networks in river and lake installations.
Lifemark
Standards
International  IEC 60793; IEC 60794; ITU-T Rec. G.650; ITU-T Rec. G.652
Description

The cable type is intended for river and lake or direct burial installation. The design can incorporate 12 to 96 fibres in loose tubes. The individually coloured fibres are tubed in groups of 12, and stranded onto a central dielectric fibre reinforced strength member (FRP). The cable type is longitudinal water-blocked through the use of polymeric filling compound and double sheathed with halogen-free black polyethylene including two layers of galvanized steel wires.

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Characteristics
Construction characteristics
Construction type Loose Tube  
Fiber optic type SM (G.652D)  
Type of secondary protection Loose tube  
Reinforcement members material type Fiber glass  
Moisture barrier Polymer coated aluminium tape  
Inner sheath Polyethylene  
Armour type Galvanised round steel wires  
Outer sheath HDPE  
Sheath colour Black  
Material used for length water tightness Jelly  
Halogen free Yes  
Metal free No  
Usage characteristics
Installation type Rivers and lakes  
Operating temperature, range -30 .. 60°C  
Ambient installation temperature, range -15 .. 50°C  
Storage temperature, range -40 .. 70°C  

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Number of optical fibres  
Nominal outer diameter  mm
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Results   4/4
Select all Items Nexans ref. Country ref. Name Nb optical fibres Nom. outer diam. (mm)
29019898 4969617 GRHALTTLV 12SM G652D 12 24.9
29021898 4969627 GRHALTTLV 24SM G652D 24 24.9
29030198 4969637 GRHALTTLV 48SM G652D 48 24.9
29030298 4969647 GRHALTTLV 96SM G652D 96 25.4
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Selling delivery information
The outer sheath of the cable is marked with cable type, manufacturer, identification number and meter marking.
The cable is delivered on wooden recyclable drums in lengths according to arrangement. The drum is marked with the cable type, length, rolling direction and installation information. Cable ends closed with end cap.

GRHALTTLV - Underwater Loose tube   Environmental information (17 kB)
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