The Ashcroft® 302 and 303 diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, they are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
Process Market:
Oil and Gas
Refineries
Chemical and Petrochemical
Water and Wastewater
Process Applications:
Oil and Gas Fracking
Biogas and Biodiesel
Process Connection Size
½, ¾, 1, 1½, 2 or 3 NPS
Instrument Connection
¼ or ½ NPT Female
Added Tolerance
±0.5% typical
Connection Style
302: Flange
303: Flanged with flushing port
Flange
150, 300, 600, 900 & 1,500 class
Flange Ratings (MAWP)
Per ASME B16.5
