502/503 All Welded Flanged Diaphragm Seal

502/503 All Welded Flanged Diaphragm Seal

The Ashcroft® 502/503 all welded flanged diaphragm seal uses a full size diaphragm on small size flanges and is capable to drive process gauges with ranges down to 1 bar. The semi flush-mounted diaphragm prevents clogging and is available in a full range of metallic materials.

Key Features

Flush port (optional) provides easy cleaning / flushing for process media prone to clogging

Continuous duty

High volumetric displacement for small flanges and low pressure ranges

All-welded construction; prevents inadvertent disassembly

Cost effective

Selection of wetted materials

NACE compliant (optional)

Material certificates to EN 10204:2004 3.1

Markets & Applications

Water and Wastewater

Chemical and Petrochemical

Energy

Biogas and Biodiesel

Oil and Gas

Refinery

NACE Compliant Processes (Sour Gas Separation)

Pumps and Compressors

Process Connection Size

1/2" ... 1 1/2"

DN15 ... DN40

Pressure Rating

150 ... 600 lbs.

PN6 ... PN100

Wetted Parts Material

Tantalum

Inconel

Duplex

Hastelloy C

Monel

Stainless steel 316L (1.4404)

Instrument Connection Style

Threaded

Welded

Accuracy

Added Tolerance ±0.5% typical

Process Connection Style

Flange according to EN 1092-1

Flange according to ASME B16.5

Case or Body Material

Stainless steel 316L (1.4404)

Data Sheets
Installation + Maintenance
Safety Data Sheets

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