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330 All-Welded Flush Mini Diaphragm Seal
Brand: Ashcroft IncThe Ashcroft® 330 all-welded flush mini-diaphragm seal or isolation device protect pressure measuring instruments.
Used to ensure process compatibility, they are also applied when process media exhibits high temperature, pulsation, and a potential for plugging or freeze-up.
An ideal choice for limited space applications.
Features- All-welded metal construction, prevents leakage of process media
- Flush design eliminates pockets that could cause clogging or build-up of process media
- Diaphragm area easy to clean up
- Provided with a 1" Male NPT process connection
- Compact size to fit space-restricted areas
- No gaskets or bolts
- For use on pressure gauges up to 3-1/2" from 60 to 3,000 psi
- Top housing and diaphragm material 316L stainless steel
- 1⁄4" & 1⁄2" NPT instrument connection
Specifications
Brand
Temperature Range
- -21° to 398.9° C (-70° to 750° F)
Fill Material
- Glycerin
- Halocarbon
- Silicone
- Syltherm
Diaphragm Material
- 316L Stainless Steel
NACE & NIST
- NACE
Approvals & Certifications
- CRN
- GOST
Enclosure, Body Material
- 316L Stainless Steel
Pressure Range
- psi: 60 to 3,000 (413.7 to 20,680, bar: 4.137 to 206.8)
NPT Connection
- 1” NPT Male
- 1/2” NPT Female
- 1/4” NPT Female
- Chemical & Petrochemical
- Food & Beverage
- Pharmaceutical
- Pulp & Paper
Documentation
Industry Brochures
Product Information
- Attaching 2 1/2" and 3 1/2" 1009 Gauges to Diaphragm Seals pdf 817 KB
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- Diaphragm Seal with Vacuum Gauge pdf 663 KB
- Failure and Corrective Steps for Diaphragm Seals pdf 668 KB
- High Temperature Fill Fluid pdf 668 KB
- Instruments Not Available with Diaphragm Seals pdf 668 KB
- Low Volume Tee Fitting for Instrument Assemblies pdf 443 KB
- Minimum, Maximum and Pressures Recommended Diaphragm Materials pdf 651 KB
- Temperature Error pdf 1.8 MB
- Volumetric Displacement pdf 2.4 MB