ORDERING CODE

Example:

10

A

DF

S

S

02T

150

RF

XCK

MQ

Process Connection Size

10 - 1 NPS

10

15 - 11⁄2 NPS

20 - 2 NPS

30 - 3 NPS

40 - 4 NPS

Flange Dimension Specification

A - ASME B16.5

A

Seal Type

DF - Flush Diaphragm

DF

Diaphragm Material

S - 316L Stainless Steel

S

P - Monel® 400

U - Tantalum

H - Hastelloy® C-276

SH - Halar®-coated 316L Stainless Steel

ST - Teflon®-coated 316L Stainless Steel

HT - Teflon®-coated Hastelloy C-276

UT - Teflon®-coated Tantalum

W - Gold-plated 316L Stainless Steel

M - Inconel 625

L - Inconel 825

Z- Duplex 2205

Flange and top housing material

S - 316L SS

S

Instrument Connection Size

02T - ¼ NPT Female

02T

04T - ½ NPT Female

Flange Class

150 - ASME 150 class

150

300 - ASME 300 class

600 - ASME 600 class

900 - ASME 900 class

1500 - ASME 1500 class

2500 - ASME 2500 class

Flange Form (Contact Ashcroft for other range forms)

RF - Raised Face

RF

RJ - Ring Joint

Options (if choosing option(s) must include an “X”)

X__

Fill Fluid

CK - Silicone 50cST

CK

DJ - Silicone 10cST

CF - Halocarbon®

HA - Syltherm®

Optional Features

6B - Cleaned for oxygen service

DU - Instrument welded to seal

NH - Wired Stainless Steel tags

C3 - EN 3.1 Traceability

CD5 - NACE certificate

MQ - Positive material identification

MQ

AT - ATEX approval

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Data Sheet

DF Flush Flanged Diaphragm Seal

All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

©2022 Ashcroft Inc. df_flush_flanged_seal_ds_RevF_04-14-22

ashcroft.com

info@ashcroft.com

1.800.328.8258