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Raychem RPG (P) Ltd., incorporated in 1989, is a 50:50 Joint Venture between TE Connectivity, U.S.A. and RPG Enterprises, India. It is the longest successful joint venture in India for over 30 years.

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Heat Shrink Medium Voltage Joints

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Medium Voltage Heat Shrink Joints-Conventional and next generation. Raychem developed highly specialized polymers for heat shrink joints suitable for plastic and paper cables upto 36 kV. For transition joints, a special oil barrier tubing is used to transform draining oil (MI) and non-draining oil (MIND) paper insulated cable into quasi-polymeric insulated cable with a radial field.

The conventional design developed in 1980 was based on multiple layer tubing concept providing insulation and stress functions. The latest developed heat shrink joint is a single tubing (triple layer co-extruded) of adequate thickness which provides insulation for a particular voltage range.

Conventional Joints - Multi-layered heat-shrinkable tubing incorporating precisely engineered impedance stress control. EPKJ universal joints are suitable for a wide range of connectors and cable sizes with no limitations on shelf life
Joints are suitable for all types of cables having different screening and armour designs
Immediate energization after completion of joints
Conforms to various national and international standards like CENELEC HD.629.1.S2:2006, IEC 60502-4, IEEE 48 and IS 13573-2
Next Gen Joints - Triple layer co-extruded single heat-shrinkable tubing incorporating precisely engineered impedance stress control. MXSU joints are supplied with mechanical phase and screen connectors for a wide range of conductor sizes with no limitat
Joints are suitable for all types of cables having different screening and armour designs
Immediate energization after completion of joints
Conforms to various national and international standards like CENELEC HD.629.1.S2:2006, IEC 60502-4, IEEE 48 and IS 13573-2
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Specifications

Parameter
Unlimited shelf life for heat shrink components
Suitable for wide range of connectors
Immediate energization
Pre-Engineered Kit
Tested as per National & International Standards

Technical Information

Sr. No.	Particulars	7.2 KV	12 KV	24 KV	36 KV
1.	Applicable Standards	IEC 60502-4, CENELEC HD 629.1, IS 13573-2
2.	Rated Voltage of cable accessories	3.8/6.6 (7.2)	6.35/11 (12)	12.7/22 (24)	19/33 (36)
3.	Brand	Raychem-RPG	Raychem-RPG	Raychem-RPG	Raychem- RPG
4.	Accessories	Heat Shrink type
5.	AC Voltage test Dry for 5 minutes Wet for 1 minute	17.1 kV 15.2 kV	28.5 kV 25.4 kV	57.1 kV 50.8 kV	85.5 kV 76 kV
6.	DC Voltage test for 15 min	15.2 kV	25.4 kV	50.8 kV	76 kV
7.	Partial Discharge at 1.73U0	Less than 10 pC
8.	Impulse Voltage at ambient & elevated temp	60 kVp	75 kVp	125 kVp	170 kVp
9.	Load Cycle test	60 cycles in air & water
a.	Each cycle heating duration	5 hours
b.	Temperature	95 - 100° C
c.	Cooling Duration	3 hours
d.	Voltage withstand	9.5 kV	15.8 kV	31.7 kV	47.5 kV
10.	Humidity Test for 300 hrs.	4.7 kV	7.93 kV	15.8 kV	23.7 kV
11.	Salt fog test for 1000 hrs.	4.7 kV	7.93 kV	15.8 kV	23.7 kV
12.	Method of Stress Control	Resistive based (ZnO based available in termination on req.)
13.	Tubing & Molded parts	Heat Shrinkable type
14.	Non-tracking material	As per ASTM D-2303
15.	Di-electric strength of insulating material	10 kV/mm minimum