81 Bolt Thru Isolation Ring
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
- NSF-61 Compliant
Applications:
Process Market:
- Water and Wastewater
- Mining
- Pulp and Paper
Product Information
Specifications
- Size
- 1 ̋ to 30 ̋
- Instrument Connection
- ¼, ½ NPT
- Pressure Rating
- Per customer flanges:ASME B16.5 150 or 300 class
- Flange Dimensions & Pressure Ratings
- ASME B16.5 specification
- Added Tolerance
- ±0.5% typical
- Wetted Components
- End Plate Material: Carbon steel, 316L SS, PVDF, Acetal
- Flexible Liner: Buna, PTFE, EPDM, Natural rubber, and Viton®
- Non-Wetted Components
- Body: Carbon Steel, 316 Stainless steel
- Instrument Fittings: Adapters: 316L SS, Needle Valve: 316l SS, SQR: Zinc-plated carbon steel
