Ashcroft 5503 Specifications
Data Sheet
5503 Differential Pressure Gauge
FEATURES
Stainless steel case
Dry or liquid filled
Available with diaphragm seals
Electric contacts (optional)
Flow measurement dial (optional)
Ranges from 10 IWD to 1,000 psid
TYPICAL USES
Refineries
Chemical and petrochemical plants
Water and wastewater pressure control
Mining and metals
Filtration monitoring, level and flow measurement
5503
100mm (4˝),
160 mm (6˝) dial sizes
SPECIFICATIONS
Accuracy: ±1.6% of span (STD.), ±0.5% upscale (OPT.)
Dial Sizes: 100 mm (4˝) or 160 mm (6˝)
Static Pressure: 1,450 psi (STD.)
3,625 psi for ranges <6 psid (OPT.)
5,801 psi for ranges ≥8 psid (OPT.)
Process Connection: ¼ NPT, ½ NPT, G ¼ B Male
Process Connection
Lower
Location:
Case Style: Open front case
Pointer: Black painted aluminum
Weather Protection: IP65: Dry case (STD.)
IP66: Hermetically sealed (OPT.)
Mounting: Stem (STD.), wall, pipe (OPT.)
Liquid Fill: Glycerin (STD.), silicone, Halocarbon (OPT.)
Set Point: High and Low, Double High, Double Low
Certificates: NACE, EN 10204 3.1(OPT.)
Approvals: CRN, CE (STD.), ATEX (OPT.)
ATEX Conformity according to RL 2014/34/EU
appendix X for mechanical equipment in potential
hazardous areas.
11 2 GD c 95°C IP65 (Ta -20°C ... +60°C) File No.
35106158 at notified body 0044 TUV NORD CERT
NON-WETTED COMPONENTS
Case Ring Window
304 SS open front case
316 SS (OPT.)
Bayonet ring Safety glass
KEY BENEFITS
• High static pressure with low
differential pressure
• Perfect solution for challenging applications
and installation requirements
• Robust design with dual diaphragms for safety
• NACE compliant (OPT.)
• Designed for harsh services
WETTED COMPONENTS
Diaphragm Housing O-Ring
316Ti: 15 IW to 6 psid 316L SS Viton
Duratherm®: 8 psid to 40 psid 316L SS Viton
Inconel®: >40 psid 316L SS Viton
Hastelloy® C276 Hastelloy® C276 Viton
Hastelloy® C276 316L SS Viton
Monel®: 10 psid and above 316L SS Viton
MIN/MAX TEMPERATURE LIMITS
Version Ambient Process Storage
Dry
Glycerin Fill
Silicone Fill
-4°F to 176°F
(-20°C to 80°C)
20°F to 150°F
(-7°C to 66°C)
-40°F to 150°F
(-40°C to 66°C)
-4°F to 185°F
(-20°C to 85°C)
20°F to 150°F
(-7°C to 66°C)
-40°F to 200°F
(-40°C to 93°C)
-40°F to 140°F
(-40°C to 60°C)
0°F to 150°F
(-18°C to 66°C)
-40°F to 150°F
(-40°C to 66°C)
®
®
®
®
®
®
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. 5503 _gauge_ds1.0, Rev. C, 05/19
of 41
ashcroft.com
info@ashcroft.com
1.800.328.8258
Data Sheet
5503 Differential Pressure Gauge
ORDERING CODE Example:
Dial Size
10 - 100mm (4˝) 10
16 - 160mm (6˝ )
Model
5503 - 304 Stainless steel open front case 5503
Diaphragm & Housing Material
316 SS diaphragm and housing for ranges of 5 psi and below
SS -
High strength cobalt alloy (Duratherm 600®) for ranges of 10 psi and above
HS - Hastelloy® C 276 diaphragm, 316 stainless steel housing
HH - Hastelloy® C 276 diaphragm and housing (NACE compliant)
PS - Monel® diaphragm and 316 stainless steel housing
Case Fill
D - Dry
L - Glycerin fill L
Process Connection
02 - ¼ NPT Male, ¼ - 18 NPT Male; DIN EN837 02
04 - ½ NPT Male, ½ - 14 NPT Male; DIN EN837
13 - G ¼ B Male, DIN EN837
15 - G ½ B Male; DIN EN837
25 - ¼ NPT, ¼ - 18 NPT Female
27 -G ¼ B Female, DIN EN837
50 - ½ NPT, ½ - 14 NPT Female
51 - G ½ Female
Process Connection Location
L - Lower L
Options (If choosing an option(s) must include an “X”) X _ _
GV - Silicone fill
GX - Halocarbon fill
FW - Wall mounting bracket
TM - Pipe mounting bracket
YW - 316 stainless steel case and ring
DA - Dial marking
LJ - Hermetically sealed case (IP66)
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)
CD-5 - Certificate of Conformance to NACE (Hastelloy C diaphragm & housing required) (with Kalrez O-Rings STD.)
(must be ordered as a separate line item)
C4 - Individual calibration chart C4
AX - ATEX Listed
C3 - Material Certificate to EN 10204 3.1
6B - Oxygen Service (Teflon coated Viton o-rings standard)
SP - Static pressure to 3,625 psi for ranges <6 psid or 5,801 psi ranges >8 psid
AJ - Accuracy ±0.5% Upscale
MN - Bonded stainless steel tag
NH - Stainless steel wired tag
NN - Paper tag bonded to case
Range (coding examples only, see range table on page 3 for all standard ranges)
10IW - 10 IWD 10IW
10 5503 SS L 02 L XC4 10IW
SS
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2019 Ashcroft Inc. 5503 _gauge_ds1.0, Rev. C, 05/19
of 42
ashcroft.com
info@ashcroft.com
1.800.328.8258
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