Overhead Line Cover Silicone Rubber Coated for Protecting Conductor

• Certification: RoHS
• Color: Yellow
• IP Rating: Insulation Sleeve
• Usage: Insulation
• Material: Rubber
• Type: Insulation Tube
• Model NO.: RUBNS-OLC
• Rating Voltages: 10kv-220kv
• Customized: Customized
• Condition: Used
• Product: Overhead Line Insulation Cover
• Sample: Free for Existing Sample
• Thickness: 2.6mm
• Electrical Strength Test: 22kv/mm
• Transport Package: Export Standard Cartons
• Specification: CE, RoHS
• Trademark: Volsun
• Origin: Jiangsu
• HS Code: 85479090
• Production Capacity: 1000000meters/Week

Product Description

overhead line cover silicone rubber coated for protecting conductor

Description

RUBNS-OLC Overhead Line Insulation Split Rubber Tube The innovative product design, ease of installation. Use silicon rubber material, anti-aging, corrosion resistance, with good resistance to corona resistance, high temperature performance, especially suitable for the protection of the bare wire. Widely used in substation protection works and railway catenary system, a significant effect in the cross-lines.


Technical Performance
 

Serial No.	Properties	Unit	Standard Data	Test Results	Test Methods
1	Electrical Strength Test	kV/mm	≥20	22	GB/T 1408.1-2006
2	Volume Resistivity	Ω·cm	≥1×1014	2×1014	GB/T 1410-2006
3	Dielectric Constant		2~3	2.3	GB/T 1409-2006
4	Shore Hardness	A	70±5	71	GB/T 531
5	Mechanical Properties				GB/T 528
5.1	Before heat ageing
	Tensile Strength	MPa	≥4.0	5.5
	Elongation at break	%	≥200	243
5.2	After Heat ageing(180ºC, 7d)	%	±30	13
	Tensile Strength Change Elongation Change	%	±30	-22
6	Low Temperature Elongation(-15ºC, 2h)	%	≥20	190	GB/T 2951.4-1997
7	Low Temperature Flexibility(-50ºC, 4h)	-	No cracks	No cracks	UL224-2004
8	High Temperature Crack Resistance(155ºC, 2h)	-	No cracks	No cracks	GB/T2951.6-1997

Product dimensions 
 

LJ Stranded Wire  Cross-sectional Area(Nominal)	O.D. Of LJ Stranded Wire(mm)	Silicone Rubber Sleeving Covers Models(mm)
50	9.00	12
70	10.80	12
95	12.48	17
120	14.25	17
150	15.75	20
185	17.50	20
210	18.75	24.2
240	20.00	24.2
300	22.40	24.2
400	25.90	30
500	29.12	32
630	32.67	35
800	36.90	39.8

LGJ Stranded Wire& LGJF Stranded Wire Cross-sectional Area(Nominal)	O.D. Of LJ Stranded Wire(mm)	Silicone Rubber Sleeving Covers Models(mm)
35	--	12
50	--	15.6
70/10	11.4	17
70/40	13.6	17
95/15	13.61	17
95/20	13.87	17
95/55	16	17
120/7	14.5	20
120/20	15.07	20
120/25	15.74	20
120/70	18	20
150/8	16	20
150/20	16.67	20
150/25	17.1	20
150/35	17.5	20
LGJJ-120	15.5	20
LGJJ-150	17.5	20
LGJQ-150	16	20
185/10	18	24.2
185/25	18.9	24.2
185/30	18.88	24.2
185/45	19.6	24.2
210/10	19	24.2
210/25	19.98	24.2
210/35	20.38	24.2
210/50	20.86	24.2
240/30	21.6	24.2
240/40	21.66	24.2
240/55	22.4	24.2
LGJJ-185	19.6	24.2
LGJJ-240	22.4	24.2
LGJQ-185	18.4	24.2
LGJQ-240	21.6	24.2
400/20	26.91	32
400/25	26.64	32
400/35	26.82	32
400/50	27.63	32
400/65	28	32
400/95	29.14	32
500/35	30	32
500/45	30	32
500/65	30.96	32
800/55	38.4	39.8
800/70	38.58	39.8
800/100	38.58	39.8

Voltage Ratings/Wall Thickness

Voltage(KV)	≤10KV	≤35KV	≤110KV	≤220KV
Thickness	2.0±0.3mm	2.6±0.4mm	4.0±0.5mm	6.0±1.0mm

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