Threaded Seals

510-511 All-Welded Diaphragm Seals
510-511 All-Welded Diaphragm Seals

510-511 All-Welded Diaphragm Seals

The Ashcroft® 510 and 511 compact, all-welded diaphragm seals or isolation devices protect pressure measuring instruments.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
316L Stainless Steel, Duplex, Hastelloy C 276, Monel 400, Inconel 625316L Stainless Steel, Duplex, Hastelloy C 276, Monel 400, Inconel 625160 bar, 689 bar
740-741 High-Displacement Diaphragm Seals
740-741 High-Displacement Diaphragm Seals

740-741 High-Displacement Diaphragm Seals

The Ashcroft® 740 and 741 high-displacement diaphragm seals or isolation devices are used with low-ranged instruments or high static pressure dp gauges with low differential pressure.

Diaphragm MaterialBottom Housing MaterialPressure Ratings
Variety of metallic wetted materialsVariety of metallic wetted materials50 bar