Instruction Manual
VCIMD-14957
SS600 Series
SS600 Series Noise Diffuser
Spence SS600 Series Noise Diffuser
WARNING
Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion, fire and/or chemical contamination causing property damage and personal injury or death.
SS600 Series noise diffuser must be installed, operated and maintained in accordance with federal, state and local codes, rules and regulations and Emerson instructions.
If the noise diffuser vents gas or a leak develops in the system, service to the unit may be required. Failure to correct trouble could result in a hazardous condition.
Installation, operation and maintenance procedures performed by unqualified personnel may result in improper adjustment and unsafe operation. Either condition may result in equipment damage or personal injury. Only a qualified person shall install or service the SS600 Series noise diffuser.
Introduction
Scope of the Manual
This manual provides instructions for the installation, maintenance and parts ordering for SS600 Series noise diffuser.
Figure 1. SS600 Series Noise Diffuser
Product Description
SS600 Series noise diffuser is a compact, repairable unit that spreads out high velocity discharge from steam traps while dampening the level of noise associated with steam trap cycles. SS600 Series are also used for blowdown valves, air cylinders and muffler for compressed air exhaust.
The all stainless steel construction of the SS600 Series provides excellent protection from corrosion while the porous stainless steel baffle allows condensate discharge without back pressure.
The snap ring design allows for easy in-line element replacement.
Specifications
This section lists the specifications for the SS600 Noise Diffuser.
| Body Sizes 3/8, 1/2 and 3/4 in. / 9.53, 12.7 and 19.1 mm End Connection Styles NPT Maximum Operating Temperature(1) 750°F / 400°C Maximum Operating Pressure (1) At 750°F / 400°C: 600 psig / 41.3 bar | Materials of Construction Body: 316 Stainless steel Retaining Ring: 302 Stainless stee Element: 304 Stainless steel Approximate Weight 0.85 lbs / 0.39 kg Noise See Figure 2 |
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
Principle of Operation
The SS600 Series noise diffuser is installed on the outlet side of steam traps, valves or other equipment that discharges high velocity steam, condensate or air to the atmosphere. The baffle is constructed of a fine stainless steel wire mesh, similar to steel wool. The porous mesh breaks down the high velocity discharge which dampens the sound significantly.
Installation
WARNING
Personal injury or system damage may result if this diffuser is installed where service conditions could exceed the limits given in the Specifications section.
Additionally, physical damage to the diffuser may result in personal injury or property damage due to escaping of accumulated gas. To avoid such injury and damage, install the diffuser in a safe location.
Do not install diffuser in such a manner that may cause accidental exposure of discharge.
- Before installing the SS600 Series, blow all dirt and scale from apparatus and piping.
- Install the SS600 Series on outlet side of steam or air trap.
- Orient the SS600 Series to discharge toward floor or other suitable enclosure.
Maintenance
- Before installing or removing the SS600 Series, isolate trap from pressure source.
- To replace the SS600 Series element, remove retaining ring and screen.
- Pry old element from body.
- Ensure to avoid damaging retaining ring groove.
- To reassemble, push new element into body. Press a new screen on top of element, compressing it into body.
- Install a new retaining ring.
Figure 2. Noise Three Feet from SS600 Series Trap Discharge
Parts Ordering
When corresponding with your local Sales Office about SS600 Series noise diffuser, always reference the assembly number. When ordering replacement parts, specify the complete character part number from the following parts list.
Parts List
Cast Iron Valve
| Key | Description | Part Number |
| 1 | Retaining Ring, Steel | WAL004010 |
| 2 | Screen, 304 Stainless steel | WAL0802059 |
| 3 | Element, Stainless steel | WAL0014157 |
| 4 | Body, 316L Stainless steel | |
| 3/8 in. / 9.53 mm 1/2 in. / 12.7 mm 3/4 in. / 19.1 mm | WAL423071 WAL422941 WAL422942 |
Figure 3. SS600 Series Assembly Drawing
Emerson Automation Solutions
Americas
McKinney, Texas 75070 USA
T +1 800 558 5853
+1 972 548 3574
Europe
Bologna 40013, Italy
T +39 051 419 0611
Americas
McKinney, Texas 75070 USA
T +1 800 558 5853
+1 972 548 3574
Europe
Bologna 40013, Italy
T +39 051 419 0611
SD7707A
VCIMD-14957 © 2021 Emerson Electric Co. All rights reserved. 11/21 Spence is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are property of their prospective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.
Emerson Electric Co. does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Emerson Electric Co. product remains solely with the purchaser.
