PVI Boiler

Hi all

Currently we have 2 PVI boilers (400 gall tanks, 2.400.000 BTU each) and they supply hot water for 600 rooms. Can you suggest replacement. They are gas powered.

We have bad experience with PVI and will try to go away if we can. Building is 11 years old and we replaced boilers once 4

Assembly Problem "1"

Hoping CR4 famous think tank will come up with a solution or constructive ideas. Problem is as follows.. A thin-wall seamless steel sleeve, 92 mm long, outside dia 42.5 mm, wall thickness 1.75 mm, is to be slipped onto a aluminum tube with a wall thickness of 4 mm. The steel tube must be heated t

Cutting of API Threads

my company is in the business of cutting API threads and i want to order for some materials that we could use in cutting these threads, how can i place order to get the righr materials for manufacturing drill stem subs, cross overs, etc.

need some one to help me with some information on how t

PLC

hi friends,I want to do an industrial project on plc.can anyone gave me a critical program on plc.

I wil be greatful to u.

Reading in a Pressure Gauge of Superheater

hi,

I noticed there is a pressure difference in the gauges mounted on the boiler and a super heater coil.

why is this so? I know while super heating the steam inside S.H coil only the temp increases, no pressure is increased. But will the pressure gets decreased?? if yea, then what

Standpipe

Hi,

Can anybody provide details of standpipe which is installed on the vessels for instrument connection.

Regards,

kumar

Relay Range

i want to use 100/5 ratio ct coil as overload relay on 70 amp load.what amp range relay & setting required for this application ?

Lobes of Roots Blower

Can anybody suggest me vendors who can develop internals ( lobes ) of Twin lobe Roots Blower. We do not have drawings. There is no support for spares from OEM who is japanese. It is understood that company is bankrupt last year.

Is SETI a Waste of Time?

SETI is forever vigilant for intelligent signals from the cosmos, but I think they are on the wrong channel.Consider the time it takes light to travel across just one galaxy, and you will see the problem.It is too slow to communicate by electromagnetic waves.

I contend that ET's will use th

FLA and FLC

Halllooo to all...

Deer fallows, i want to know about the terms fla and flc...

what does these two terms stands for in electrical engineering and plz explain briefly.

Electric Cars for the Mainstream?

High energy, low cost batteries have reached a sufficient developmental point that the technology encouraged another big nameplate, Nissan, to join ranks of auto makers betting on the future of true electric cars — and sooner (2011) rather than later. But how long before power-pampered America