Ashcroft 1125, 1125A Specifications
Data Sheet
1125/1125A Differential Pressure Gauge
FEATURES
Rugged design
1125A has 12 o’clock pointer position
Electric contacts (Optional)
Available with diaphragm seals
TYPICAL USES
Refineries
Chemical and petrochemical plants
Water and wastewater pressure control
Mining and metals
Filtration monitoring, level and flow measurement
SPECIFICATIONS
Accuracy: ±2-1-2% of span (ASME B40.100 Grade 1A)
Sizes: 4½˝ or 6˝
Ranges: 10 to 1,000 psi
Process Connection: ¼ NPT
Process Connection
Location:
Case Style: Open Front
Window Material: Glass
Dial: White painted aluminum with black markings
Pointer: Black
Weather Protection: Case is not sealed and reccomended for
Movement: Bronze
Mounting Options: Stem or surface
WETTED COMPONENTS
Bourdon Tube Process Connection Joints
Grade A phosphor
bronze
NON-WETTED COMPONENTS
Case Ring Back Cover
Cast aluminum,
black epoxy coated
Lower or back
weather protected environment only
Bronze Soldered
Aluminum,
black epoxy coated
Aluminum
1125
4½˝, 6˝ dial sizes
1125A
4½˝, 6˝ dial sizes
KEY BENEFITS
• Built in back flange for surface or wall mounting
• Zero center dial to indicate positive or negative
pressure
• Compatible with diaphragm seals
MIN/MAX TEMPERATURE LIMITS
Version Ambient Process Storage
Dry
-20°F to 200°F
(-29°C to 93°C)
-20°F to 250°F
(-29°C to 121°C)
-40°F to 250°F
(-40°C to 121°C)
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2 019 Ash cr oft In c. 1125_ gauge _ds _ R evB _Lt r_ 0 4-11-19
of 51
ashcroft.com
info@ashcroft.com
1.800.328.8258
Data Sheet
1125/1125A Differential Pressure Gauge
ORDERING CODE Example:
Dial Size
45 - 4½˝ 45
60 - 6˝
Models
1125 - Aluminum, open front case 1125
1125A - Aluminum, open front case - zero center dial
Process Connection Size
02 - ¼ NPT Male 02
Process Connection Location
L - Lower L
B - Lower back
Options (if choosing an option(s) must include a “X”) X__
45 1125 02 L XC4 100#
Windows/Pointers
PD - Acrylic window
SG - Safety glass
EP - Maximum pointer
EQ - Minimum pointer
SH - Red set hand, stationary
EO - Red set hand, adjustable
Switch Outputs
ED - Dual setpoint, high and low contacts (specify magnetic or inductive contacts)
EE - Dual setpoint, double high contacts (specify magnetic or inductive contacts)
EF - Dual setpoint, double low contacts (specify magnetic or inductive contacts)
EG - Dual setpoint, off at low and high and on in-between
Other
C4 - Individual calibration chart C4
NH - SS tag wired to case
Range (coding example only, see range tables for all standard ranges)
100# - 100 psid 100 #
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2 019 Ash cr oft In c. 1125_ gauge _ds _ R evB _Lt r_ 0 4-11-19
of 52
ashcroft.com
info@ashcroft.com
1.800.328.8258
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