bids are invited for rubber tape tyre for coupling isolator pilot relay 6v, ac , pilot relay 6v,dc , c.t.s copper wire 7 20,1.1kv , cast steel non return valve with bypass,size 6inch, body pressure 900psi,seat pressure 750psi,thread fitted ph.bronze seat ,minimum weight 120kg,with mfg tc. , m.s.bend 6 inch,seamless,heavy duty,90 degree bend,length 1mtr,wall thickness 6mm plus minus 10 percent , vulcanising rubber tape,150mmx3mmx10mtr,3.3kv , pvc non adhesive tape 25mmx25meter , tyre for coupling f 120 , tyre for coipling f 110 , rev forward isolator 200amps,550v procurement pilot relay non return valve vulcanising total quantity : 1548