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Fixed Nozzle Desuperheater (FND)

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Update Terakhir
21 Sep 2021
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Desuperheater

Spesifikasi Fixed Nozzle Desuperheater (FND)


Fixed Nozzle Desuperheater (FND)

Features

Single nozzle Kv as low as 0.0162 m3/hr and as high as 1.6 m3/hr

Number of nozzles limited only by pipeline diameter

For use on all pipe sizes 6" and above

Ideal for use in conjunction with water control valve and control system

Turndown ratio up to 4 : 1 (Depending on water quantity)



Notes

Minimum pipe size required for installation of FND is 150mm

Water pressure should be minimum 7 bar more than the steam pressure

maximum recommended pressure difference between steam and water is 45 bar. if it exceeds 45 bar then install pressure control valve in waterline to reduce water pressure within limits

Spray water should be very clean (equivalent to boiler feedwater)

IBR approval shall be provided for individual components

Turndown ratio up to 1 : 4



Typical Sizes

Steam side flange : 4" and water side flange 1" / 1 1/2" OR Steam side flange : 6" and water side flange 2"

Pressure rating :upto ANSI #2500



Advantages

Custom made for any size, standard or range

Simple installation

Can be used for higher pipe size and low steam pressure

No moving parts  


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