supply of hose pipe , limit switch and level transmitter , delivery hose 63mm ( bis-636 type-b ) non percolating flexible fire fighting delivery hose, three layers synthetic jacketed with elastomeric cover / coated, resistant to liquid, chemical, acid , alkali, solvents, abrasion and heat, burst pressure=42 kg / cm2 , proof pressure-25 kg / cm2 , working pressure-18 kg / cm2 , is-636 type-b, mmd & tac approved, approved by loads register under british standard bs-6391 type-3 and also listed by ul ( usa ) under ul-19. in 30 meter length, 63mm ( 2.5” ) inside dia, copper wire bounded to fire hose couplings, instantaneous type ss 63 mm ( 2.5” ) size, pair of male and female part, bearing is:903 mark