Ashcroft, Inc. - 302 and 303 Flanged Diaphragm Seals

Unit of Measure

Items	302 302 Flanged Diaphragm Seal	303 303 Flanged Diaphragm Seal with Flushing Port
Description	N/A The Ashcroft® 302 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.	N/A The Ashcroft® 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.
Brands	N/A Ashcroft®
Process Connection Size	N/A 1 in1/2 in1-1/2 in2 in3 in3/4 in
Process Connection Type	N/A National Pipe Straight (NPS)
Instrument Connection Size	N/A 1/2 in1/4 in
Instrument Connection Type	N/A National Pipe Thread (NPT) Female
Typical Added Tolerance (±)	N/A 0.5 %
Connection Style	N/A Flanged	N/A Flanged with Flushing Port
Flange Class	N/A 150 300 600 900 1,500
Flange Ratings (Maximum Allowable Working Pressure (MAWP))	N/A Per American Society of Mechanical Engineers (ASME) B16.5
Key Features	N/A 316L stainless steel top housing (standard) Wide selection of diaphragm and lower housing materials Diaphragm (elastomer) clamped between top and bottom housings	N/A 316L stainless steel top housing (standard) Wide selection of diaphragm and lower housing materials Diaphragm (elastomer) clamped between top and bottom housings Flush port provides easy cleaning/flushing due to process media prone to clogging
Applications	N/A Process Market: Oil and Gas Refineries Chemical and Petrochemical Water and Wastewater Process Applications: Oil and Gas Fracking Biogas and Biodiesel