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Data Sheet
1038A Duplex Pressure Gauge
FEATURES
Single gauge measures two related pressures
Ranges to 1000 psi including compound
TYPICAL USES
Filters
Pumps and valves
Rail braking systems
Specialized OEM equipment
SPECIFICATIONS
Accuracy:
Size:
Ranges:
Process Connection
Location:
Process Connection
Size:
Case Style:
Movement:
Window Material:
Dial:
Case Material:
Pointer:
Case Style:
1
±2-1-2% of span (ASME B40.100 Grade A)
4 1 ⁄
2
˝
Compound, 30 to 1,000 psi
Lower or back
⁄
4
NPT
Open front
Bronze
Glass
Brushed aluminum with black markings
Aluminum
Non-adjustable black & red
Open front
Weather Protection:
Dry case, case not sealed, recommended for weather protected environment only.
Mounting: Stem, surface or flush
WETTED COMPONENTS
Bourdon Tube Process Connection
Material
Grade A Phosphor
Bronze
Brass
NON-WETTED COMPONENTS
Joints
Soldered (100 psi), silver braised (above 100 psi)
Case Ring
Aluminum black epoxy coated Aluminum, threaded, black epoxy coated
1038A
4 1 ⁄
2
˝ dial size
KEY BENEFITS
• Convenient readability of two related pressures on a single gauge
• High reliability and performance
• Ideal product for satisfying critical installation requirements
• One year warranty
Dry
Version
MIN/MAX TEMPERATURE LIMITS
Ambient
-20°F to 200°F
(-29°C to 93°C)
Process
-20°F to 250°F
(-29°C to 121°C)
Storage
-40°F to 250°F
(-40°C to 121°C)
1 of 3
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2020 Ashcroft Inc. 1038A_gauge_ds_RevD_06-19-20 ashcroft.com
1.800.328.8258
Data Sheet
1038A Duplex Pressure Gauge
ORDERING CODE Example:
Dial Size
45 - 4 1 ⁄
2
˝ dial
Model
1038A - Duplex, black aluminum, open front
System
A - Phosphor bronze tube/brass process connection
Process Connection Size
02 - 1 ⁄
4
NPT
Process Connection Location
L - Lower
B - Lower Back
Range (See range table on page 2 for all standard ranges)
Single Scales
100# - 100 psi
STANDARD RANGES CODE - SINGLE SCALE psi
30IMV&15#
30IMV&30# bar
N1/1.5BR
N1/3BR kPa
N100/150KP
N100/300KP
30IMV&60#
30IMV&100#
30IMV&150#
30IMV&300#
160#
200#
-
300#
-
400#
30#
-
60#
-
100#
-
600#
800#
-
1000#
N1/5BR
N1/9BR
N1/15BR
N1/24BR
-
2.5BR
4BR
6BR
-
10BR
-
-
16BR
-
25BR
-
40BR
-
60BR
-
N100/500KP
N100/900KP
N100/1500KP
N100/2400KP
-
250KP
400KP
600KP
-
1000KP
-
-
1600KP
-
2500KP
-
4000KP
-
6000KP
-
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2020 Ashcroft Inc. 1038A_gauge_ds_RevD_06-19-20 ashcroft.com
1.800.328.8258
45 1038
45
1038
A
A
02
02
L 100#
L
100#
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Data Sheet
1038A Duplex Pressure Gauge
DIMENSIONS in [ ] are millimeters
For reference only, consult Ashcroft for specific dimensional drawings
Gauge Size
(inches)
4 1 ⁄
2
A
5 13 ⁄
16
[148]
B
2 1 ⁄
4
[57]
C
5 7 ⁄
8
[149]
D
27 ⁄
32
[22]
E
2 11 ⁄
16
[68]
F
1 1 ⁄
16
[27]
G H
3 25 ⁄
32
[96]
1 17 ⁄
32
[39]
J
3 ⁄
8
[10]
L
7 ⁄
32
[6]
S
7 ⁄
16
[11]
T
1 9 ⁄
16
[40]
V
1 1 ⁄
2
[38]
Weight
(lbs)
2.4
1.0 kg
B
A
S J
C F
G
3L dia. holes equally spaced onE dia.
This connection operates red pointer
V
This connection operates black pointer
T
D
H
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2020 Ashcroft Inc. 1038A_gauge_ds_RevD_06-19-20 ashcroft.com
1.800.328.8258
3 of 3
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