All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

©2021 Ashcroft Inc. 400-500_Thread_Seal_ds_RevH_06-28-21

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1.800.328.8258

Data Sheet

400/500 Threaded All-Welded Diaphragm Seal

of 4

2

ORDERING CODE

Example:

02

4

00

S

S

02T

XCK

HP

Process Connection Size

02 - ¼ NPT Male (400, 500 only)

02

04 - ½ NPT Male (400, 500 only)

06 - ¾ NPT Male (400, 500 only)

08 - 1 NPT Male (400, 500 only)

25 - ¼ NPT Female

50 - ½ NPT Female

75 - ¾ NPT Female

10 - 1 NPT Female

15 - 1½ NPT Female

Diaphragm Seal Type

4 - 400 Series All-welded clamped seal, threaded process connection

4

5 - 500 Series All-welded seal without clamps, threaded process connection

Flushing Port

00 - No flushing port

00

01 - With flushing port

Diaphragm Material

S - 316L Stainless steel

S

H - Hastelloy® C-276

J - Hastelloy® C-22

U - Tantalum

G - Hastelloy® B

P - K-Monel® (only available with Monel® top and lower housing)

Ti - Titanium (only available with a Titanium top and lower housing)

Bottom Housing Material

S - 316L Stainless steel

S

H - Hastelloy® C-276

J - Hastelloy® C-22

M - Monel® (includes Monel® top housing standard)

TI - Titanium (includes Titanium top and housing standard)

Instrument Connection Size

02T - ¼ NPT Female

02T

04T - ½ NPT Female

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

X__

Fill Fluid (see table 2 on page 3 for more available fill fluids)

CG - Glycerin

CK - Silicone SF-96

CK

CF - Halocarbon®

Optional Features (see Table 1 below for option list)

HP - High-pressure clamp rings

HP

When selecting an instrument, refer to the Min/Max Guide for compatibility with this diaphragm seal or scan the QR code to the right.