supply and fitting of different spares for gaseous chlorination plant of different ohr sites at aa-i under ntk project.-2 standard vaccum regulator ( 0-4 kg / hr. ) [ make : evoqua / equivalent approved make ] 3 scale controller ( 0-1 kg / hr. ) [ make : evoqua / equivalent approved make ] 4 ¾ injector suitable for 40 psi back pressure. [ make : evoqua / equivalent approved make ] 5 liquid trap with isolation valve [ part no.-c5910 ] 6 flexible copper connecting coil ( 1.5 mtr. long ) [ part no.-1002 ] 7 0-16 pressure indicator ( gas-line ) [ make : h. guru / atco ] 8 isolation valve with yolk clamp ( header line ) 9 dismantling of defective items from the existing system, thorough checking, washing, cleaning of whole chlorination arrangement and fitting fixing of the supplied items mentioned in sl. no. 1.00 by engaging experienced technician / chlorination system maintenance personnel all complete as per direction of eic.