Ashcroft 1209 Specifications
Data Sheet
1209 4½˝ SS Process Gauge
FEATURES
Solid front case design with full pressure relief back
4½˝ Dial size
Accuracy: ±0.50% of span (ASME B40.100 Grade 2A)
316L stainless steel case and ring
Patented PLUS!
™
Performance
Dampens vibration, shock and pulsation effects
TYPICAL USES
Oil & Gas Industry
Upstream: Onshore/offshore production
Midstream: Transport, storage and natural
gas compression
Downstream: Refineries and petrochemical
industries
Chemical Industry
Injection Molding Equipment
Power Plants
Conventional power plants
Flue gas desulfurization plants
Other Industries
Waste incineration plants
Seawater desalination plants
Steel mills
Cement plants
TM
1209
41⁄2˝ Dial size
KEY BENEFITS
• Full pressure relief back for safety
• Socket welded to case for superior leak integrity
SPECIFICATIONS
Accuracy: ±0.5% of span (ASME B40.100 Grade 2A)
Dial Size: 4½˝
Range: Vacuum, compound to 20,000 PSI
Process Connection:
1⁄4 NPT Male, 1⁄2 NPT Male
Case Style: Solid front with full pressure relief back
Movement: 304 stainless steel, adjustable
Window Material: Acrylic (STD.), safety glass (OPT.)
Pointer: Micrometer adjustable, aluminum
Weather Protection: IP65 hermetically sealed
Mounting: Stem, surface (STD.), flush, pipe, remote (OPT.)
Dampening:
Liquid fill,
™
PLUS!
Performance, throttle screw,
dampeners, capillary, diaphragm seals and snubbers
WETTED COMPONENTS
Model
1209
Bourdon Tube Process Connection Joints
316L SS 316L SS Welded
NON-WETTED COMPONENTS
Model
1209
Case Ring Back Cover
316L SS 316L SS 316L SS
MIN./MAX. TEMPERATURE LIMITS
Ambient Process Storage
Dry
PLUS
Glycerin
Silicone
Halocarbon®-40 to 150°F (-40 to 66°C) -40 to 150°F (-40 to 66°C) -40 to150°F (-40 to 66°C)
Note: Other than discoloration of the dial and hardening of the gasketing that may occur as ambient or process temperatures exceeds 150°F, non-liquid-filled gauges with standard glass windows, can withstand continuous operating temperatures up to 250°F (121°C). Liquid-filled gauges
can withstand 200°F (93°C) but glycerin fill and acrylic window will tend to yellow. Accuracy at
temperatures above or below the reference ambient temperature of 68°F (20°C) will be affected
by approximately 0.4% per 25°F. Gauges with welded joints will withstand 750°F (400°C), 450°F
(232°C) with silver brazed joints for short times without rupture, although other parts of the gauge
will be destroyed and calibration will be lost. For continuous use and for process or ambient temperatures above 250°F (121°C), a diaphragm seal or capillary or siphon is recommended.
-40 to 200°F (-40 to 93°C) -40 to 200°F (-40 to 93°C) -40 to 200°F (-40 to 93°C)
™
-40 to 200°F (-40 to 93°C) -40 to 200°F (-40 to 93°C) -40 to 200°F (-40 to 93°C)
20 to 150°F (-7 to 66°C) 20 to 150°F (-7 to 66°C) 20 to 150°F (-7 to 66°C)
-40 to 150°F (-40 to 66°C) -40 to 150°F (-40 to 66°C) -40 to 150°F (-40 to 66°C)
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. 1209_gauge_ds _RevE_Ltr_03-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
1 of 3
Data Sheet
1209 4½˝ SS Process Gauge
ORDERING CODE Example:
Dial Size/Model Code
451209 - 41⁄2˝ SS, solid front process gauge per ASME B40.100 451209
System (tube and process connection)
S - SS system S
Case Fill
D - Dry Case D
L - Liquid filled case, glycerin (STD.)
Process Connection Sizes
02 - 1⁄4 NPT Male (up to 20,000 psi)
04 - 1⁄2 NPT Male (up to 20,000 psi) 04
Process Connection Location
L - Lower connection only L
Range (coding examples only, see range table on next page for all standard ranges)
Single Scales
15# - 15 psi 15#
1KSC - 1 kg/cm
100KP - 100 kPa
Options (if choosing an option(s) must include an “X”) -X_ _
EP - Maximum pointer, adjustable
GV - Silicone case fill
GX - Halocarbon case fill
LL -
PLUS!
NH - SS tag wired to case
OS - Overload stop
SG - Safety glass
VS - Underload stop
C3 - Material test report to EN 10204.3.1
C4 - Individual calibration chart (in accordance with ASME B40.100:2013. Accuracy traceable to NIST)
D3 - DuraVis™ Retroreflective Dial (4½˝ and dry case only)
6B - Cleaned for oxygen service
2
™
Performance
4512 09
S D 04 L 15# -XLL
LL
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. 1209_gauge_ds _RevE_Ltr_03-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
2 of 3
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