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15iiitaEqM ENGINEERS
41gen fafReg W INDIA LIMITED
(..1921751¢tef3ACIFE0 (A Govt. of Indio Undertaking)
EARTHING LUG
STANDARD No.
7-12-0026 Rev. 5
Page 1 of 1
VESSEL PART
10 THK. PLATE
tr.)
N
•
75 25
14 DIA. HOLE
(FOR M12 BOLT)
NOTES
ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED.
ALL EQUIPMENTS SHALL BE PROVIDED WITH TWO(2) EARTHING
LUGS, UNLESS OTHERWISE STATED.
3.(a) EARTHING LUGS SHALL BE LOCATED DIAMETRICALLY OPPOSITE ON
NORTH—SOUTH CENTER LINE ON SKIRT SUPPORTED EQUIPMENTS,
ON ANY TWO(2) LEGS OF THREE(3) LEG SUPPORTED VERTICAL VESSEL,
ON DIAMETRICALLY OPPOSITE LEGS OF FOUR(4) LEG SUPPORTED
VERTICAL VESSEL AND ON EACH SADDLE OF HORIZOTAL VESSEL.
TWO(2) EATHING LUGS ARE TO BE LOCATED ON EACH SADDLE OF
HORIZONTAL VESSEL OF LENGTH GREATER THAN 20 METERS.
FOR SPHERE, TOTAL 4 — NOS. OF EARTHING LUGS SHALL BE PROVIDED
PREFERABLY ON DIAMETRICALLY OPPOSITE AND EQUALLY SPACED LEGS.
(SPHERES ARE USUALLY PROVIDED WITH LEGS IN NUMBERS WHICH ARE
MULTIPLE OF 4 FOR THE SYMMETRY)
DO NOT WELD EARTHING LUG ON PRESSURE PART.
IN CASE OF CONFLICT ENGINEERING DRAWING SHALL GOVERN.
6. MATERIAL OF CONSTRUCTION SHALL BE CARBON STEEL.
5 31.08.2011 REAFFIRMED AND REISSUED AS STANDARD POREL • RKT AKM / SC DM
4 12.10.2006 REAFFIRMED AND REISSUED AS STANDARD POREL RKG AKM VC
Rev.
Prepared Checked Stds. Committee Stds. Bureau
Date
Purpose
Convenor Chairman
No.
by by
Approved by
Page 125 of 291
Format No. 8-00-0001-F4 Rev.0
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