Double Tension Bolted hardware with both side rod type arcing horn

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Double Tension Bolted hardware with both side rod type arcing horn

MMPT have created a peculiar position in the market by manufacturing and supplying superior quality Tension Hardware.
Double Tension Hardware Fittings are installed where double strings of insulators are being used.

Arcing horns are projecting conductors used to protect insulators or switch hardware on high voltage electric power transmission systems from damage during lightning strikes and other overvoltage phenomena.

The Arcing horns(Rod Type)comprise a pair of rods having V-shaped outer ends criss crossing one another along one lateral side of the insulator and arranged to form multiple self-extinguishing wiring gaps emanating from the common gap between the spaced apart apexes thereof. The assembly is eminently suited for installation vertically, horizontally or in an inclined position. The hardware components are identical and integral except for fasteners.

Double bolted tension hardware are used for completing the tensional connection on conductor/cables.It provide the mechanical support/strength to insulators & conductors.

BOQ

SL. NO DESCRIPTION MATERIAL SURFACE TREATMENT QTY./SET
1
U-SHACKLE
F.S. (CL-IV)
H.D.G.
2
2
CHAIN LINK.
F.S. (CL-IV)
H.D.G.
1
3
YOKE PLATE (T.S.)
MILD STEEL
H.D.G.
1
4
BALL CLEVIS
F.S. (CL-IV)
H.D.G.
2
5
ARCING HORN (L.S.)
MILD STEEL
H.D.G.
1
6
ARCING HORN (T.S.)
MILD STEEL
H.D.G.
1
7
SOCKET CLEVIS
F.S. (CL-IV)
H.D.G.
2
8
YOKE PLATE (L.S.)
MILD STEEL
H.D.G.
1
9
CLEVS EYE
F.S. (CL-IV)
H.D.G.
1
10
TENSION CLAMP
AL. ALLOY
1

TECHNICAL DATA

  1. . U.T.S. OF HARDWARE FITTING (WITHOUT TENSION CLAMP: 120 KN.x2
  1. SLIP/MECHANICAL STRENGTH OF TENSION CLAMP : 95% OF UTS OF THE CONDUCTOR
  1. BALL & SOCKET DESIGNATION : 16MM. AS PER I.S.: 2486, PART-II.
  1. SPECN. TO WHICH H/W FITTING CONFORM – I.S.: 2486, PART-I.
  1. ALL FERROUS PARTS (EXCEPT SPRING WASHER) SHALL BE HOT DIP GALVANISED CONFORMING TO IS : 2633 AND SPRING WASHER ELECTRO GALVANISED .
  1. GENERAL TOLERANCE: ±3% UNLESS OTHERWISE SPECIFIED.  .

AVAILABLE FOR THE FOLLOWING CONDUCTORS

For ACSR

SL. NO ACSR CODE CONDUCTOR DIA.
1
RACCOON
12.27
2
DOG
14.15
3
LEOPARD
15.84
4
COYOTE
15.86
5
TIGER
16.52
6
WOLF
18.13
7
ORIOLE
18.82
8
LYNX
19.53
9
LARK
20.47
10
PANTHER
21.00
11
LION
22.26
12
BEAR
23.45
13
GROSBEAK
25.16
14
TEAL
25.24
15
GOAT
25.97
16
ANTELOPE
26.73
17
KUNDAH
26.80
18
SHEEP
27.93
19
DRAKE
28.14
20
ZEBRA
28.62
21
DEER
29.89
22
CAMEL
30.15
23
ELK
31.50
24
MORKULLA
31.68
25
MOOSE
31.77
26
BERSIMIS
35.05

For AAAC

SL. NO AAAC CODE CONDUCTOR DIA.
1
RABBIT
9.30
2
DOG
12.78
3
PANTHER
19.70
4
PANTHER-UP
22.05
5
YEW
25.97
6
ZEBRA
28.00
7
ZEBRA-UP
29.79