Tender For corrigendum : supply of portable infant warmer-infant warmer (v2), portable fire extinguishers (v2) as peris 15683:2018, rice warmer (v2), blood and fluid warmer(v2), portable single operated rectifier type dc arcwelding set suitable for manual arc welding process as peris 4559, infant feeding tube (v2), infant bed / bassinet(v2), portable suction machine (v2), portable toilet,portable ot light (v2)
Tender For corrigendum : supply of portable single operated rectifier type dc arc welding set suitable for manual arc welding process as per is 4559 (q2)
Tender For supply of portable single operated rectifier type conventional dc arc welding set-600 ampere capacity suitable for manual arc welding process with warranty/guarantee and test certificate. technical specificatio n as given below: 1. maximum hand welding current @ 60% duty cycle ; 600a and minimum hand welding current @60% duty cycle: 120 a 2. open circuit voltage : 70v (max) and operating arc voltage: 25-44 volt. 3. 3-phase 50 hz, rated input voltage: 3 tapings- 380/415/440 volts. 4. type of cooling : forced air cooled - heavy duty exhaust fan with copper windings, metal body and fan blades. 5. class of insulation and windin g materials : class h insulation with both primary and secondary copper windings. 6. specification to which it conform : is 4559- latest version. 7. type of rectifier- silicon diode. full wave 3-phase bridge rectifier: ty pe with current regulator, safety norms: earth fault facility & vrd facility. make:- essab, berco, ador or equivalent. [ warranty period: 30 months after the date of delivery ]