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100/101, 200/201, 300/301 Threaded Diaphragm Seal

Data Sheet

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

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non-Ashcroft trademarks are the property of their respective owners: Carpenter 20®, Monel®, Hastelloy®, Viton®,

Duplex 2507®, Inconel®, Calflo®, Kalrez® and Neobee®. For more information, see Ashcroft Brands & Trademarks

©2024 Ashcroft Inc. 100-200-300_thread_seal_ds_RevL_09-09-24

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ORDERING CODE

Example:

10

2

01

S

S

02T

XCK

NH

Process Connection Size

25 - ¼ NPT Female

50 - ½ NPT Female

75 - 3⁄4 NPT Female

10 - 1 NPT Female

10

15 - 1½ NPT Female

02 - ¼ NPT Male

04 - ½ NPT Male

06 - 3⁄4 NPT Male

08 - 1 NPT Male

SA - ¼ ˝ Socket weld

SB - ½ ˝ Socket weld

SC - 3⁄4 ˝ Socket weld

SD - 1 ˝ Socket weld

Diaphragm Type

1 - 100 series capsule diaphragm threaded into top housing

2 - 200 series diaphragm welded (metallic) or bonded (elastomeric) to top housing

2

3 - 300 series elastomeric diaphragm clamped between top and lower housing

Flushing Port

00 - No flushing port

01 - Flushing port in lower housing

01

Diaphragm Materials (See Table 1 on page 2)

S - 316L Stainless steel

S

Bottom Housing Materials (See Table 2 on page 2)

S - 316L Stainless steel

S

Instrument Connection Size

02T - ¼ NPT Female instrument connection

02T

04T - ½ NPT Female instrument connection

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

X__

Fill Fluid (for seals attached to instruments) (See Table 3 on page 3 for more available fill fluids)

CK - 50 cSt Silicone

CK

Optional Features (for more options, see table 4 on page 5)

NH - Stainless steel instrument tag

NH

When selecting an instrument, refer to the Seal Pressure & Temperature Guide for compatibility with this diaphragm seal or scan the QR code to the right.