Flushing Rings

Flushing Rings are precision-engineered accessories designed to facilitate the cleaning and maintenance of diaphragm seals in pressure measurement systems. These rings allow for the easy introduction of cleaning or flushing fluids into the process, ensuring the integrity and accuracy of the measurement system. Our flushing rings are built from high-quality materials and designed to withstand harsh industrial environments, making them essential components in maintaining process reliability and safety.

The Flushing Ring from IPS Automation is an industrial instrumentation accessory used with
diaphragm seal systems to support cleaning, flushing, venting, draining, and calibration of
pressure measurement points. It is installed between the process flange and the diaphragm
seal, creating an accessible chamber with side flushing ports that allow deposits, sediments,
viscous media, or crystallized process material to be removed without dismantling the complete
measuring assembly. Flushing rings are especially useful in applications where process media
can clog the diaphragm seal or affect measurement accuracy. By allowing cleaning fluid, purge
media, or calibration pressure to be introduced through the flushing ports, the ring helps
maintain reliable pressure readings, reduce downtime, and improve the service life of pressure
transmitters, pressure gauges, and diaphragm seal assemblies. They can be supplied with one
or two flushing bores, threaded or flanged connections, plugs, and optional mounted valves
depending on the application requirement.

Body Material Options
Carbon Steel, Cast Iron, SS304, SS316, SS316L, Alloy Steel or customized material
Category
Manufacturing / Flow Measurement Solutions
Documentation
Material test certificates and inspection reports available on request
Flange Size
Customized as per diaphragm seal and process flange size
Flange Standards
ANSI / ASME, DIN, JIS, API, or project-specific standards
Function
Pressure reduction and flow rate restriction
Installation
Pipeline, Tank & Vessel Mounting
Port Configuration
Single or double flushing ports
Port Connection
1/4” NPT, 1/2” NPT, threaded, flanged, or customized connection
Pressure Rating
ANSI / ASME class rating as per application
Product Type
Pressure Gauge Snubber
Suitable Assembly
Flanged diaphragm seal, flush diaphragm seal, pancake seal, or cell type diaphragm seal
Suitable Media
Liquids, gases, and steam
Temperature Rating
As per material and process condition
Testing
100% Factory Pressure Tested
Valve Options
With plugs, needle valves, ball valves, shut-off valves, or without valves

Applications

SS316L manifolds are extensively used in industrial process control and instrumentation systems, including:

  • Oil & gas processing plants
  • Chemical and petrochemical industries
  • Refineries and process plants
  • Power generation plants
  • Boiler and steam systems
  • Water and wastewater treatment systems
  • Pharmaceutical manufacturing
  • Food and beverage processing
  • HVAC and utility systems
  • Heat exchangers, reactors, and vessels
  • Storage tanks and process pipelines
  • Laboratory and calibration systems
  • Process skids and automation panels
  • Temperature measurement with transmitters, indicators, PLCs, and DCS systems

Flushing-Ring-2.pdf

PDF, 2 MB

Easy Cleaning Without Dismantling

Flushing rings allow deposits and unwanted media accumulation to be flushed from the diaphragm seal area without removing the complete measuring system from the pipeline.

Enhances Instrument Service Life

By reducing clogging, corrosion exposure, and deposit buildup around the diaphragm seal, flushing rings help improve the reliability and operating life of pressure instruments and diaphragm seal assemblies.

Flexible Design Options

Flushing rings can be supplied with single or double ports, plugs, needle valves, ball valves, shut-off valves, and different flange standards to match specific project requirements.

Improved Measurement Accuracy

By keeping the diaphragm surface clean and free from deposits, flushing rings help maintain accurate and stable pressure measurement in difficult process conditions.

Prevents Clogging of Diaphragm Seals

The flushing ports help remove particles, sludge, crystallized material, or viscous deposits that may otherwise block the diaphragm seal and affect instrument performance.

Reduced Downtime

Cleaning, venting, draining, and maintenance can be carried out through the flushing ports, reducing the need for frequent disassembly and helping minimize process interruption.

Suitable for Harsh Process Media

Available in stainless steel, duplex, Monel, Hastelloy, and other corrosion-resistant materials, flushing rings can be used in aggressive chemical, slurry, wastewater, and high-temperature services.

Supports On-Site Calibration

When used with suitable valves and isolation arrangements, flushing rings can support calibration of the measuring point without removing the instrument from the process installation.

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