Acoustic Silencers

Acoustic Silencers
Regulators
Noise
Attenuators
Acoustic Silencers
inlet
ç
ç
LCV SERIES
outlet
¾" NPT drain connection with plug
Description
The Spirax Sarco acoustic silencer is designed to attenuate noise generated by control valves and/or pilot operated regulators. The
silencers are particularly effective in limiting the propagation of valve generated noise into the downstream piping. Upon flow and piping
configuration, noise attenuation of up to 35 dBa can be expected.
Construction Materials
Limiting Operating Conditions
Max. Operating Pressure
300 psig (20 barg)
Max. Operating Temperature 650˚F (343˚C)
Standard Range
1/2" to 24" LCV Acoustic Silencers.
Connections: Standard connections ANSI 300 lb. raised face flange.
3/4" - 3000 lb. drain with plug.
Options of ANSI 150 lb. raised face flange available.
Dimensions
Model
LCV-2
LCV-3
LCV-4
LCV-5
LCV-6
LCV-8
LCV-10
LCV-12
LCV-14
LCV-16
LCV-18
LCV-20
LCV-22
LCV-24
LCV-26
LCV-28
LCV-30
B
5"
6-1/2"
10"
12"
12"
14"
16"
18"
20"
22"
24"
26"
30"
30"
32"
36"
36"
C
35"
46"
52"
60"
66"
72"
78"
90"
104"
116"
132"
146"
158"
174"
186"
202"
216"
Material
All welded steel.
ASME Section VIII Div I
Fiberglass
Installation
(nominal) in inches
A
1/2" to 2"
1/2" to 3"
1/2" to 4"
3/4" to 4"
2" to 6"
2" to 6"
1-1/4" to 6"
2" to 6"
2-1/2" to 6"
2-1/2" to 6"
3" to 6"
4" to 6"
6"
6"
6"
6"
6"
Part Silencer
Insulation Mat
D
2"
3"
4"
5"
6"
8"
10"
12"
14"
16"
18"
20"
22"
24"
26"
28"
30"
Weight (lb.)
120
150
200
250
400
550
650
800
1200
1500
1750
2200
2800
3100
3500
4850
5000
Connect the inlet of the silencer directly to the outlet connection of the valve. The required pipeline expansion takes place
within the silencer. This expanded outlet feature eliminates the
expense associated with separate expansion fittings. A suitable
float and thermostatic steam trap is recommended for removing
condensate from the silencer. The drain connection must always
point vertically down.
A
B
Inlet
C
Local regulation may restrict the use of this product below the conditions quoted. Limiting conditions refer to standard connections only.
In the interests of development and improvement of the product, we reserve the right to change the specification.
1: 106
D
TI-3-036-US
5.13
Spirax Sarco, Inc., 1150 Northpoint Blvd, Blythewood, SC 29016
© Spirax Sarco, Inc. 2013
Noise
Attenuators
Regulators
Select correct silencer by known flow rates (lb/hr), inlet, outlet pressue (psig) and size of regulator or control valve. Example: Inlet pressure to IN
25P regulator is 100 psig, outlet pressure is 60 psig @ 2400 lb/hr. Move horizontal accross the 100 psig inlet line to 60 psig outlet to vertically intersect with a 1" regulator to meet or exceed capacity of 2400 lb/hr. Selection 1" LCV-2.
Sizing Acoustic Silencers
Acoustic Silencers
TI-3-036-US
5.13
Telephone: (803) 714-2000 FAX (803) 714-2222
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