The single-line VVH system demonstrated quiet operation in the vacuum interval from 20 to 24 in.
The condensing boiler design, geometry, and operation logistics might need to be reconsidered for a VVH system.
A comparison of the installation cost and expected efficiency of the single-pipe VVH versus hot-water systems was presented earlier (Zhadanovsky 2012).
For retrofitting of an obsolete steam-heating system, two-pipe VVH plumbing is significantly easier.
Besides the drastic simplification of plumbing, the existing steam boiler can also be reused if a retrofit into VVH is implemented.
, headed by Lee Kheng Nam, manages $1 billion in venture capital and has offices in the USA, UK, Israel, Denmark, Singapore, Taiwan, Hong Kong and China.
Noble House will lease and manage the resort in alliance with LaSalle Hotel Properties, which recently purchased the property for $73 million from VVH
Tenders are invited for Providing Data entry in Crew Management System (CMS) & collecting charging & issuing of VHF sets to Loco Pilots round the clock at crew booking lobbies of Mumbai Division at CSTM (M/L), VVH
lobby,PNVL goods, KYN up yard, IGP Ghat, LNL Ghat & LNL BVT lobby of BB division for (01) One year.