MOD SCAFF PVT. LTD. is a manufacturer of Formwork System based at Faridabad, Delhi/NCR. The great majority of penstocks at hydropower projects are steel.
Older steel penstocks tend to be riveted plate newer penstocks are typically spiral-wound welded plate. When penstocks are above ground as these are, they
are usually mounted on concrete or steel saddle supports. Steel penstocks. Wood stave penstocks are also used at hydropower projects to a lesser extent.
These are typically constructed of creosote treated wooden strips called staves ringed with steel bands. The bands are typically spaced at about 1 ft. or less.