[81]

3.188˝

[57]

2.244˝

½ NPT

Instrument

Connection

½ NPT

Process

Connection

Lower

Housing

Upper

Housing

[Ø 31]

1.22˝

[Ø 37.5]

1.48˝

½ NPT Instrument

Connection

½ NPT Process

Connection

Across Flats SW

[27] / 1.06˝

Across Flats SW

[28.6] / 1.13˝

510 Diaphragm Seal

511 Diaphragm Seal with

Flushing Connection

510 High Pressure Diaphragm Seal

511 High Pressure Diaphragm Seal with

Flushing Connection

[Ø37.5]

1.48˝

Across Flats SW

[28.6] / 1.13˝

1

/2 NPT

Process

Connection

Across

Flats SW

[27] / 1.06˝

[Ø31]

1.22˝

1

/2 NPT

Instrument

Connection

½ NPT Instrument

Connection

½ NPT Process

Connection

Across Flats SW

[27] / 1.06˝

[Ø 57.5]

2.26˝

[Ø 31 mm]

1.22˝

Across Flats SW

[28.6] / 1.13˝

[Ø 50]

1.97˝

DIMENSIONS

For reference only, consult Ashcroft for specific dimensional drawings

of 3

3

510/511 All Welded Diaphragm Seal

Data Sheet

All specifications are subject to change without notice. All sales subject to standard terms and conditions.

Ashcroft® and Trust the Shield® are trademarks of Ashcroft Inc. The following non-Ashcroft trademarks are

the property of their respective owners: Halocarbon®, Hastelloy®, Monel®, Syltherm®, Tantalum®.

For more information, see Ashcroft Brands & Trademarks

©2023 Ashcroft Inc. 510-511_welded_seal_ds_RevH_03-13-23

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