81 Bolt Thru Isolation Ring

NSF-61 Compliant

81 Bolt Thru Isolation Ring

The Ashcroft® 81 isolation ring or isolation device is mounted inline with process piping.
NSF-61 Compliant
The Ashcroft® 81 isolation ring is mounted inline with process piping. Used for process protection of measuring instruments, the ring-design eliminates process accumulation, assuring reliable and accurate pressure readings. Ideal when continuous pressure measurement is needed.

Key Features

360° sensing flexible inner-liner; no process deadleg

Safe Quick Release™ (optional) enables instrument removal without loss of fill or process shutdown

Needle valve (optional) dampens pulsation effects

Retrofit end plates (optional) allows easy replacement of other manufacturer models

Markets & Applications

Pulp and Paper

Water and Wastewater

Mining

  • Specifications
  • Downloads

Process Connection Style

Flange according to ASME B16.5

Process Connection Size

1" ... 30"

Accuracy

Added Tolerance ±0.5% typical

Instrument Connection Style

Threaded

Pressure Rating

150, 300 lbs.

Wetted Parts Material

Flexible Liner: Buna, PTFE, EPDM, Natural rubber, and Viton®

End Plate: Carbon steel, 316L Stainless Steel, PVDF, Acetal

Case or Body Material

Steel, powder coated

Stainless steel 316L (1.4404)

Data Sheets
Installation + Maintenance
Declaration of Conformity
Industry Brochures
Product + Technical Information
Safety Data Sheets

Download-Center

Lösungen

Tools

FAQ

Search all products
We’re glad to be there for you personally.
Siamo personalmente a vostra disposizione!
Nous sommes personnellement là pour vous.
Şahsen yanınızda olmaktan mutluluk duyuyoruz.
We zijn blij dat we er persoonlijk voor u kunnen zijn.
Wir sind persönlich für Sie da!
Siamo personalmente a vostra disposizione!
Nous sommes personnellement là pour vous!
Select your Region!
USA & Canada
Asia
Europe
China
Mexico & Central America
South America
Brazil