2

All specifications are subject to change without notice.

All sales subject to standard terms and conditions.

©2022 Ashcroft Inc. ald2_gauges_ds_RevF_03-23-22

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1.800.385-0635

Acid Leak Detection (ALD) Assembly

Brochure

Data Sheet

ORDERING CODE

Example:

45 ALD

1

S

1P

P

04

G 100# -XOC

Dial Size

45 - 41/2˝ dial (available only with cases 1 and 2)

45

10 - 100mm dial (available only with case 3)

Assembly

ALD - Acid leak detection

ALD

Case

1 - 1279 (available only with dial size 41/2˝)

1

2 - 1259 (available only with dial size 41/2˝)

3 - T6500 (available only with dial size 100mm)

Bourdon Tube & Gauge Process Connection

S - 316 Stainless steel

S

P - Monel®

Diaphram Seal and Material

1S (510) - 316L Stainless steel

1P (510) - Monel® (available only with (P-Monel®) lower housing)

1P

1H (510) - Hastelloy® C-276

1U (510) - Tantalum

2S (DF) - 316L Stainless steel

2P (DF) - Monel® (Monel diaphragm with 316L top housing and flange)

2M (DF) - Monel® (Monel diaphragm with Monel top housing and flange)

2H (DF) - Hastelloy® C-276

2U (DF) - Tantalum

Lower Housing Material (510 seal only)

N - No lower housing for DF seal

S - 316L Stainless steel

P - Monel® (available only with (P-Monel®) diaphragm material)

P

H - Hastelloy® C-276

B - Hastelloy B

Process Connection Size and Type

04 - 1/2 NPT Male

04

1A - 1˝ 150RF Flange DF seal

1B - 1˝ 300RF Flange DF seal

1C - 1˝ 600RF Flange DF seal

1D - 1.5˝ 150RF Flange DF seal

1E - 1.5˝ 300RF Flange DF seal

1F - 1.5˝ 600RF Flange DF seal

2A - 2˝ 150RF Flange DF seal

2B - 2˝ 300RF Flange DF seal

2C - 2˝ 600RF Flange DF seal

2D - 2˝ 1500RF Flange DF seal

3A - 3˝ 150RF Flange DF seal

3B - 3˝ 300RF Flange DF seal

3C - 3˝ 600RF Flange DF seal

3D - 3˝ 900RF Flange DF seal

3E - 3˝ 1500RF Flange DF seal

System Fill Fluid

G - Glycerin

G

S - Silicone

H - Halocarbon®

Range (see data sheet)

100# - 100 psi

100#

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

-X_

D3 - DuraVis™ Retroreflective Dial (dry case only)

HP - High pressure seal option for ranges 2,000 psi to 10,000 psi

LL -

PLUS!™ Performance (1279, T6500 only)

NZ - Silcone free

PLUS!™ Performance (1279, T6500 only)

OC - Orange case (available only with case 1)

OC

PD - Acrylic window (recommended for HF applications)

YC - Yellow case (available only with case 1)