Type 312 Midi-Diaphragm Seal, All Welded

Product Overview

Pressure Gauges

Digital Pressure Gauges

Pressure Transducers & Transmitters

Thermometers & Thermowells

Pressure Switches

Temperature Switches

Differential Pressure Switches

Panel Meters & Pneumatic Transmitters

Diaphragm Seals / Instrument Isolators

Test Instruments

Accessories


Ashcroft Home > Products > Diaphragm Seals & Instrument Isolators > Diaphragm Seals and Instrument Isolators > Type 312 Midi-Diaphragm Seal, All Welded	Print Page \| Email Page

Type 312 Midi-Diaphragm Seal, All Welded

All welded metal construction, prevents leakage of process media
No gaskets or bolts
For use on pressure gauges up to 3.5" from 60 to 1,000 psi and 4.5" gauges 100 psi to 1,000 psi
Top housing material 316L Stainless Steel standard
Diaphragm materials in 316L Stainless Steel, Hastelloy C and Tantalum
Bottom housing materials in 316L Stainless steel and Hastelloy C
0.25 NPT or 0.50 NPT instrument connections
Type 312 furnished with .125 flushing connection
Type 312 not available in male process connections

Data Sheet

Join the Ashcroft Mailing List to Receive Announcements and Product Updates

For Email communication you can trust

Have a question? Call our experts for assistance at 800-328-8258.

JOIN THE ASHCROFT TEAM! Visit our Career page to view open positions with Ashcroft.

Need some help selecting a pressure gauge?

We can help you with some basic gauge selection criteria. Just read our guide "Seven Steps to Select a Pressure Gauge" (pdf).

When it's all about the highest possible accuracy...

Heise® precision pressure gauges, digital indicators and transducers offer state-of-the-art features with accuracies from +/- 0.1% to 0.02% FS. Check out the Heise® instrument line at www.heise.com.