Project 2 – Industrial vent silencer

Vent Silencer Type ERR

industrial vent silencer
industrial vent silencer
seaworthy wrapped vent silencer

Custom made Vent Silencers for a customer from Finland:

Process data

Fluid

: Steam (MW=18.01)

Flow rate

: 249957 kg/h

Inlet pressure at valve

: 4.7 bar(g)

Inlet temperature

: 157 °C

Outlet pressure

: 0 bar(g) (atmospheric)

inlet pressure at silencer

: 3.89 bar(g)

Design data - inlet

Design pressure inlet

: 5.5 bar(g)

Design temperature inlet

: 190 °C

Design standard

Corrosion allowance

: ASME VIII, div.1 + IBR Requirement

: 1.5 mm

Design data - shell

Design pressure shell

: 0.0 bar(g) (Atmospheric)

Design temperature shell

: 190 °C

Design standard

Corrosion allowance

: ASME VIII, div.1 + IBR Requirement

: 1.5 mm

Equipment

Model and size

: ERR 80

Shell diameter

: 2000 mm

Overall length

: 4175 mm

Inlet N1 size

: 28” 150 LBS ASME B16.47 Series B RFWN SF

Drain

: 1” 150 LBS ASME B16.5 RFWN SF

Total installed mass

: 1965 kg

Materials of construction 

Shell

: SA 516 Gr.60

Heads

: SA 516 Gr.60

Flanges

: SA 105 N

Nozzles

Diffuser

: SA 106 B

: SA 106 B

Acoustic absorption

: Stainless Steel Mesh

Supports/Lifting lugs

: SA 516 Gr.60

Protection           

External protection

External insulation

: Customer paint spec

: Yes (by others)

Silenced noise guarantee:

Lp(A) references 2 X 10E -5Pa

: 85 dB(A) at 3 meter/90º free field

Certificates

: 3.1 + WPS/PQR

N.D.T.

X-ray

: 10% (inlet and 1st diffuser only)

Pressure test

: No