RequiredOEM Authorization Certificate Bid to RA enabled No Transformer Oil ( 10500 liter ) ( Under PAC ) Make servo Model indianoil Technical Specifications * As per GeM Category Specification Specification Specification Name Values Bid Requirement (Allowed Values) Test Report Details The Vendor are also required to furnish the following :- i) Details of instrument/appliances available with the manufacture for testing of transformer oil ii) Flow diagram clearly Yes * 1/5 indicating facilities available with manufacture for manufacturing of transformer oil along with capacity iii) (Self attested/Digitally signed) & Notary certified copy (ies) of test report certificate from CPRI or Govt test house or National Test house or ERDA as per relevant IS iv) (Self attested/Digitally signed) & Notary certified copy of valid BIS marking license/BIS schedule/BIS endorsement showing coverage of this item and indicating validity Availability of Test Report from Central Govt/State Govt/NABL/ILAC accredited lab(hint: Must be declared Yes * The vendor as to Provide involve and test report from the manufacture
Requiredif required by the Buyer or no minated Yes * Certification Conforming to IS : 335 ( Latest ) Yes * Whether IS Marked Yes * BIS Licence Number
Requiredif ISI Marked
Requiredelse write NA 7893407 * Characteristics of transformer oil Appearance "The oil shall be clear transparent & free from suspended matter or sediments " * Density Max (gm/cm2 at 29 point 50°C) 0.89 * Kinematic viscosity (Cst) at 27°C
RequiredMax 27 * Interfacial tension at 27°C Newtons/M
RequiredMin 0.04 * Flash point Pansky/marten(Closed)
Required140 * 2/5 Min(°C) Pour point
RequiredMax(°C) (-)6 * Neutralization value
RequiredTotal acidity mg
RequiredMax
Requiredmg KOH/gm 0.03 * Neutralization value
RequiredInorganic acidity Alkalinity Nil * Corrosive Sulphur (In terms of classification of copper strips) Non-corrosive * Electric strength (Break down voltage)
RequiredNew untreated oil
RequiredMin (RMS) (in KV) 30 * Electric strength (Break down voltage)
RequiredAfter treatment
RequiredMin (RMS) (in KV) 60 * Dielectric Dissipation vector (Ten delta) at 90°C
RequiredMax 0.002 * Specific resistance (Resistivity) at 90°C
RequiredMin
Required( in Ohm-cm ) 35x10^12 * Specific resistance (Resistivity) at 27°C
RequiredMin
Required( in Ohm-cm ) 1500x10^12 * Oxidation stability : Neutralization value after oxidation for 164 hrs at 100°C
RequiredMax
Requiredmg KOH/gm 0.4 * Oxidation stability : Total sludge after oxidation for 164 hrs at 100°C
RequiredMax
Required% by weight 0.1 * Presence of oxidation inhibitor The oil shall not contain antioxidant additives * Water content (PPM)
RequiredMax 50 * Ageing characteristics after accelerated ageing (open breaker method with copper catalyst : Specific resistance (Resistivity) at 27°C
RequiredMin
RequiredOhm-cm 2.5x10^12 * 3/5 Ageing characteristics after accelerated ageing (open breaker method with copper catalyst : Specific resistance (Resistivity) at 90°C
RequiredMin
RequiredOhm-cm 0.2x10^12 * "Ageing characteristics after accelerated ageing (open breaker method with copper catalyst : Dielectric Dissipation vector (Ten delta at 90°C
RequiredMax " 0.2 * "Ageing characteristics after accelerated ageing (open breaker method with copper catalyst : Total acidity
RequiredMax "
Requiredmg KOH/gm 0.05 * "Ageing characteristics after accelerated ageing (open breaker method with copper catalyst : Total sludge value
RequiredMax "% by weight 0.05 * Packing
RequiredMarking and Labelling The Transformer oil is required to be supplied in brand new steel barrel ISI marked and with suitable coating from inside and outside as per clause 6-1 of IS 335 : 1993 with latest amendment
Requiredif any Yes * "Oil may also be delivered in a suitable type of high density polyethylene ( HDPE ) barrel subject to agreement between the purchaser and the manufacturer " Yes * Oil may also be delivered in road or rail tank wagons specially cleaned and reserved for this purpose and shall be suitably sealed so as to avoid ingress of moisture Yes * Marking should be as per IS 335 :1993 Yes * 4/5 The container may also be marked with the IS1 Certification Mark Yes * * Bold specifications are the golden parameters. * Bidders may note that In respect of non-golden Parameters
Requiredthe specifications 'Values' chosen by Buyer will generally be preferred over 'Bid requirement ( allowed Values) by the Buyer.
