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Fire Resistant Instrumentation

150/250V HF-EPR Insulated, SW2/SW4 Sheathed, Collectively Screened Armoured Fire Resistant Instrumentation & Control Cables

Article source：http://www.trcables.com/ author：上海嗨润 Release time：2018-01-25 09:39 Browse times：second

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150/250V HF-EPR Insulated, SW2/SW4 Sheathed, Collectively Screened Armoured Fire Resistant Instrumentation & Control Cables

BS 6883&BS7917 STANDARD Offshore & Marine Cables

Application
These fire resistant elastomeric insulated cables are designed for fixed wiring in ships and on mobile offshore units, suitable for use in instrumentation, lighting and control circuits where fire integrity is essential.

Standards
 BS 7917
 IEC 60331-31 Fire resistant
 IEC 60332-3A Flame retardant
 IEC 60754-1; IEC 60754-2 Corrosivity
 IEC 61034-2 Smoke density
 Cold bend and impact (-40°C) (on request)
 CSA C22.2 No. 38-95 (on request)

Construction
 Conductor: Tinned copper wire stranded circular cl. 2 BS 6360/IEC 60228.
 Insulation: Mica tape + HF-EPR GP4 according to BS 7655 1.2.
 Lay-up: Pairs, triples.
 Collective Screen: Aluminium/polyester tape + drain wire tinned copper.
 Inner Sheath: Halogen free thermosetting compound SB1 according to BS 7917.
 Armour: Galvanized steel wire braid. Tinned bronze wire braid can be offered upon request.
 Outer Sheath: Halogen free thermosetting compound SW4 according to BS 7655 2.6 or reduced halogen thermosetting compound SW2 according to BS 7655 2.6.

Mechanical and Thermal Properties
Minimum Internal Bending Radius: 8×OD
Temperature Range: -40℃ ~ +90℃

Dimensions and Weight

Construction No. of cores×Cross section(mm²)	Nominal Insulation Thickness mm	Nominal Inner Sheath Thickness mm	Minimum Diameter Over Inner Sheath mm	Maximum Diameter Over Inner Sheath mm	Nominal Armour Wire Diameter mm	Nominal Outer Sheath Thickness mm	Minimum Overall Diameter mm	Maximum Overall Diameter mm	Approx. Weight kg/km
Multipair
3×2×0.75	0.8	1.2	14.0	16.0	0.3	1.4	18.1	20.5	450
7×2×0.75	0.8	1.4	18.6	20.7	0.3	1.5	22.9	25.8	720
12×2×0.75	0.8	1.6	24.4	27.0	0.3	1.7	29.1	32.7	1080
20×2×0.75	0.8	1.8	30.8	34.0	0.45	2.0	36.8	40.7	1480
27×2×0.75	0.8	1.9	35.0	38.4	0.45	2.2	41.4	45.9	2140
37×2×0.75	0.8	2.1	38.8	42.6	0.45	2.3	45.4	50.1	2710
3×2×1	0.8	1.2	14.8	16.8	0.3	1.4	18.9	21.3	460
7×2×1	0.8	1.4	19.6	22.0	0.3	1.6	24.1	27.1	780
12×2×1	0.8	1.6	25.8	28.5	0.3	1.8	30.7	34.4	1170
20×2×1	0.8	1.8	32.6	35.8	0.45	2.1	38.8	43.2	1860
27×2×1	0.8	2.0	37.3	40.8	0.45	2.2	43.7	48.3	2330
37×2×1	0.8	2.2	41.3	45.2	0.45	2.4	48.1	53.3	2980
Multitriple
3×3×0.75	0.8	1.3	15.0	17.0	0.3	1.4	19.1	21.5	510
7×3×0.75	0.8	1.4	20.5	23.0	0.3	1.6	25.1	28.1	810
12×3×0.75	0.8	1.7	25.6	28.3	0.45	1.9	31.4	35.1	1370
3×3×1	0.8	1.3	15.8	17.8	0.3	1.5	20.1	22.9	550
7×3×1	0.8	1.5	21.9	24.4	0.3	1.7	26.6	29.7	910
12×3×1	0.8	1.7	27.1	29.8	0.45	2.0	33.1	36.9	1510

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150/250V HF-EPR Insulated, SW2/SW4 Sheathed, Collectively Screened Armoured Fire Resistant Instrumentation & Control Cables