ORDERING CODE

Example:

451377

S

S

04

L

XLL

15#

Dial Size/Model Code

451377 - 41⁄2˝ aluminum case

451377

601377 - 6˝ aluminum case

851377 - 81⁄2˝ aluminum case, max. 20,000 psi

System (tube and process connection)

A - Bronze tube, brass process connection, max. pressure connection 1,000 psi

P - K-Monel® 500 tube, Monel® 400 process connection, max. pressure 30,000 psi, N/A for 81⁄2˝

R - 316L SS tube, steel process connection, max. pressure 20,000 psi

S - 316 SS tube and 316L SS process connection, max. pressure 20,000 psi

S

Case Design

S - Solid front case, dry

Process Connection Sizes

02 - 1⁄4 NPT Male, N/A for ranges over 20,000 psi

04 - 1⁄2 NPT Male, N/A for ranges over 20,000 psi

04

09 - 9⁄16 18 UNF-2B, high pressure fitting, standard for pressures over 20,000 psi

Process Connection Location

L - Lower

L

B - Back

D - Side (3 o’clock)

E - Side connection (9 o’clock)

T - Top connection

Options (If choosing an option(s) must include a “X”) (See table 1 on page 3 for more options)

X__

LL -

PLUS!™ Performance

LL

NZ -

PLUS!™ Performance, silicone free (dry gauges)

6B - Cleaned for gaseous, oxygen service

NH - Stainless Steel tag wired to case

5G - Attach one accessory to gauge. Applicable to PL02 pressure limiting valve, V01,V02 valves, 1098, 1100, 1198,

2198 siphons, 7001, 7004 needle valves, 1115 capillary, 1106 pulsation dampner, 1112, PD02 pressure snubbers, MDV

swivel adapter, 2265 electric warning contact

Range (coding examples only, see range table on page 4 for all standard ranges)

Single Scales

15# - 15 psi

15#

1BR - 1 bar

1KG - 1 kg/sm2

100KP - 100 kPa

Dual Scales

15#/BR - 15 psi inner scale, 1 bar outer scale

1BR/# - 1 bar inner scale, 15 psi outer scale

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1377 Duragauge® Pressure Gauge

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

Ashcroft®, Duragauge®, DuraVis™,

Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark

of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Halocarbon®,

Inconel®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks

©2023 Ashcroft Inc. 1377_gauge_ds_RevI_02-09-23

ashcroft.com

| 1.800.328.8258 | Contact Us

Data Sheet

When selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide for compatibility with this gauge or scan the QR code to the right.