Monarch II Systems silencers/separators are HDPE components used with liquid ring vacuum pump systems where discharge silencing, air/water separation, and piping layout must be considered together.
This product family supports industrial vacuum applications that require a fabricated HDPE silencer/separator designed around system connection requirements, outlet placement, and available installation space.
These HDPE silencer/separators are constructed using CHEVRON CP Chem™ HDPE and may include 150 lb. carbon steel or 316 stainless-steel slip flanges for the air/water inlet and air outlet, along with a stainless NPT water outlet.

Available details may vary by model, so dimensional information, flange selection, outlet arrangement, and inlet transition orientation should be confirmed during product selection.
For facilities replacing or specifying a liquid ring vacuum pump separator, Process Controls Corporation (PCC) can assist with comparing existing equipment dimensions, connection points, orientation needs, and Monarch II Systems silencer/separator options.
This helps support proper selection without assuming unsupported vacuum performance, sound attenuation level, separator efficiency, material compatibility, or pump compatibility beyond the available documentation.
Key Characteristics
- HDPE silencer/separator construction: Used with liquid ring vacuum pump systems where separator and silencer functions are part of the discharge-side equipment layout
- Fabricated HDPE body: Constructed using CHEVRON CP Chem™ HDPE
- Flanged air connections: May include 150 lb. carbon steel or 316 stainless-steel slip flanges for the air/water inlet and air outlet
- Water outlet detail: Includes a stainless NPT water outlet where specified
- Orientation options: Inlet transition orientation may be ordered left or right, depending on the model and layout requirements
- Dimensional similarity: Supports replacement planning where existing separator/silencer dimensions must be compared against available Monarch II Systems configurations
- Custom fabrication consideration: Alternate orientations and custom fabrication options may be available when supported by the specific product requirements
Ideal Applications
- Liquid ring vacuum pump systems requiring an HDPE silencer/separator
- Industrial vacuum systems requiring air/water separation after pump discharge
- Replacement planning for existing separator/silencer installations
- Projects requiring confirmation of inlet, outlet, flange and water outlet details
- Installations where left- or right-hand inlet orientation must be considered
- Applications requiring PCC support to compare existing equipment with available Monarch II Systems options
Industries Served
- Water Treatment
- Steel
- Pulp & Paper
- Electronics
- Mining
- Power Generation
- General Industrial
- Food & Beverage
- Chemical & Petroleum
- Pharmaceutical





