Page 1
Data Sheet
F5509, F6509 Differential Pressure Gauge
FEATURES
316L Stainless steel case and wetted parts
Static pressure 232 psi or 580 psi
Ingress protection IP66/NEMA 4X
Compliant to DIN 16003
Dry or liquid filled
Optional solid front case
TYPICAL USES
Chemical and petrochemical plants
Marine and offshore technology
Power plants
F5509
100mm (4˝),
160 mm (6˝) dial sizes
SPECIFICATIONS
Accuracy: Class 1.6 with ±1.6% of span
Class 1 with ±1% of span (OPT.)
Dial Sizes: 100mm (4˝), 160mm (6˝)
Static Pressure: 1-5 psi static 232 psi (16 bar)
6-362 psi static 580 psi (40 bar)
Over-Pressure: Single sided over-pressure 10 times the range of
the gauge not to exceed the max. working/static
pressure of the gauge
Process Connection
¼ NPT, ½ NPT, G ¼ B, G ½ B
Size:
Process Connection
Lower
Location:
Case Style: 316L Stainless steel open front case (F5509)
(F5509) with rear blow out disk
316L Stainless steel solid front case (F6509)
(F6509) with rear blow out back
Pointer: Black, aluminum
Red set hand, maximum pointer (OPT.)
Weather Protection: EN 60529/IEC 529
IP65 for instruments with integrated contacts
IP66/NEMA 4X
Mounting: Direct, wall, 2˝ pipe mounting (OPT.)
Dial: Black figures on white background
(secondary scale is inner scale for dual scale
dials), aluminum. Meets DIN 16003
Electric Contacts: Consult Inside Sales
KEY BENEFITS
• Perfect solution for challenging application and
installation requirements
• Designed for harsh services
• High reliability and safety
WETTED COMPONENTS
Pressure
Chamber
316L SS
Duratherm® 2.4781 (NiCrCo alloy) ≥ 8 psi
Diaphragm
316Ti SS ≤ 6 psi
NON-WETTED COMPONENTS
Case Window Bayonet Ring
316L SS Laminated safety glass 316L SS
MIN/MAX TEMPERATURE LIMITS
Version Ambient Process Storage
Dry
Glycerin Fill
Silicone Fill
Temperature
Effects:
-4°F to 176°F
(-20°C to 80°C)
16°F to 176°F
(-9°C to 80°C)
-4°F to 176°F
(-20°C to 80°C)
Max. 0.8% of span per 10 K change with reference temperature of
68°F (20°C)
-40°F to 212°F
(-40°C to 100°C)
-20°F to 212°F
(-7°C to 100°C)
-40°F to 212°F
(-40°C to 100°C)
Process Connection
Materials
316L SS
-4°F to 176°F
(-20°C to 80°C)
16°F to 176°F
(-9°C to 80°C)
-4°F to 176°F
(-20°C to 80°C)
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc., f550 9_gauge_ds_RevB_05- 08-19
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Page 2
Data Sheet
F5509, F6509 Differential Pressure Gauge
ORDERING CODE Example:
Dial Size
10 - 100mm (4˝) 10
16 - 160mm (6˝ )
Model
F5509 - 316L Stainless steel open front case F5509
F6509 - 316L Stainless steel solid front case
Housing Material
S - 316 Stainless steel
Case Fill
D - Dry D
L - Glycerin fill
Process Connection Size
02 - ¼ NPT Male
04 - ½ NPT Male
13 - G ¼ B Male
15 - G ½ B Male
16 - M20X1.5 Male
25 - ¼ NPT Female
27 - G ¼ B Female
50 - ½ NPT Female
51 - G ½ B Female
Process Connection Location
L - Lower L
Range (coding examples only, see range tables on page 3 for all standard ranges)
10IW - 10 in. H2O 10IW
Options (If choosing an option(s) must include an “X”) –X _ _
AN - Class 1 with ±1% of span
CS - Combination range/Dual scale
DA - Dial marking
EP - Maximum pointer adjustable and polycarbonate window
EQ - Miniumum pointer adjustable and polycarbonate window
FW - Wall mounting bracket
GT - Napvis fill (used with magnetic spring contacts only)
GV - Silicone fill
HY - Hydrostatic pressure test
ML - Mass spectrometer leak test
MQ - Positive material identification (PMI)
NH - Stainless steel Wired tag
NN - Paper tag bonded to case
ON - Without Ashcroft logo, neutral
PD - Polycarbonate window
TM - Pipe mounting bracket
C3 - Certificate arccording EN 10204 3.1
C4 - Individual calibration chart C4
6B - Oxygen Service
6W - Cleaned for oxidizing processes other than oxygen
10 F5509 S D 27 L 10IW –XC4
S
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc., f550 9_gauge_ds_RevB_05- 08-19
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Page 3
Data Sheet
F5509, F6509 Differential Pressure Gauge
STANDARD RANGES
Single Scale
psid mbar bar IWD
1# 40MB 0.6BR 10IW
5# 60MB 1BR 15IW
10# 100MB 1.6BR 30IW
15# 160MB 2.5BR 60IW
30# 250MB 4BR 100IW
60# 400MB 6BR 160IW
100# - 10BR 200IW
160# - 16BR -
200# - 25BR -
300# - - -
400# - - -
Dual Scale
mbar psi
25MB 0.36#
40MB 0.58#
60MB 0.87#
100MB 1.45#
160MB 2.3#
250MB 3.6#
400MB 5.8#
bar psi
0.6BR 8.7#
1BR 14.5#
1.6BR 23#
2.5BR 36#
4BR 58#
6BR 87#
10BR 145#
16BR 232
25BR 362#
kg/cm² psi
0.6KSC 8.53#
1KSC 14.22#
1.6KSC 22.76#
2.5KSC 35.56#
4KSC 56.89#
6KSC 85.34#
10KSC 142.2#
16KSC 277.6#
25KSC 355.6#
kPa psi
2.5KP 0.36#
4KP 0.58#
6KP 0.87#
10KP 1.45#
16KP 2.3#
25KP 3.6#
40KP 5.8#
60KP 8.7#
100KP 14.5#
160KP 23#
250KP 36#
400KP 58#
MPa psi
0.6MP 87#
1MP 145#
1.6MP 232#
2.5MP 362#
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc., f550 9_gauge_ds_RevB_05- 08-19
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Page 4
Data Sheet
D*
[0.65]
THREADS SEE TABLE
D*
M20x1.
CABLE GLAND
F5509, F6509 Differential Pressure Gauge
DIMENSIONS in [ ] are inches
For reference only, consult Ashcroft for specific dimensional drawings
Dial Size
Millimeters
100
160
*With optional integrated contacts. Consult Inside Sales.
ØA B* C D E F F1
101
[3.98]
161
[6.34]
86
[3.39]
51
[2.01]
120
[4.72]50[1.96]
99
[3.90]
18.5
[0.73]
100
[3.94]17[0.67]
Open front case for 1 psi - 4 psi (25 - 250 mbar)
B*
[0.20]
5
M20X1.5
CABLE GLAND
[Ø 0.28 ... 0.51]
7 ... 13
G ¼ (CODE 27)
[1.46]
37
[5.43]
Ø138
SEALING SURFACE
E
F
[0.30]
7.5
[5.71]
[6.89]
C
[2.48]
Ø 63
145
175
144
[5.67]
174
[6.85]
~17
ØA
X
ACROSS FLATS
SW SEE THREADS TABLE
POSSIBLE PROCESS
CONNECTION
Weight
Dial Size
Millimeters
≤4 psi: 20 21
100
≥6 psi: 9 10
≤4 psi: 21 22
160
≥6 psi: 9 10
THREADS CODE X SW
¼ NPT Male
½ NPT Male
G ¼ B Male; DIN EN 837
G ½ B Male; DIN EN 837
¼ NPT Female
¼ NPT Female
G ½ B Female; DIN EN 837
Dry
lbs
Liquid Filled
30 19
02
[1.18] [0.75]
37 22
04
[1.46] [0.87]
25 19
13
[0.98] [0.75]
37 22
15
[1.46] [0.87]
20 19
25
[0.79] [0.75]
26 27
50
[1.02] [1.06]
26 27
51
[1.02] [1.06]
lbs
Open front case for 6 psi - 362 psi (0,4 - 25 bar)
B*
5
[Ø 0.28 ... 0.51]
Ø 7 ... 13
[1.46]
G ¼ (CODE 27)
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc., f550 9_gauge_ds_RevB_05- 08-19
37
[2.48]
Ø 63
[3.19]
Ø 81
SEALING SURFACE
[0.20]
5
E
F1
[0.30]
7.5
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C
POSSIBLE PROCESS
CONNECTION
THREADS SEE TABLE
[0.65]
17
~
Ø A
X
ACROSS FLATS
SW SEE THREADS TABLE
of 54
Page 5
Data Sheet
D1*
[1.22]
30
[1.18]
[0.87]
22
2˝ PIPE
[0.67]
ACROSS FLATS 17
MOUNT SET
M8
31
[1.22]
18
[0.71]
HH
2222
[0.87]
F5509, F6509 Differential Pressure Gauge
DIMENSIONS in [ ] are inches
For reference only, consult Ashcroft for specific dimensional drawings
Solid front case
Dial Size
Millimeters
100
160
C1 D1* E1
61
[2.38]
64
[2.52]
109
[4.29]
115
[4.53]
[1.02]
[1.11]
26
28
[0.67]
C1
~17
E1
*With optional integrated contacts. Consult Inside Sales.
Mounting options
Range G H
1 psi - 4 psi
(25 - 250 mbar)
6 psi - 362 psi
(0,4 - 25 bar)
83
[3.27]
82
[3.22]
111
[4.35]
55
[2.15]
31
[0.71]
M8
18
[1.18]
30
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc., f550 9_gauge_ds_RevB_05- 08-19
Wall mounting bracket option FW 2˝ Pipe mounting bracket option TM
2˝ PIPE
MOUNT SET
ACROSS FLATS 17
22
[0.87]
[0.43]
Ø 11
3388
[1.50]
[2.87]
73
[3.94]
100
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[0.87]
GG
2222
[0.67]
2222
HH
[0.87]
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