OMEGA®GENERAL SERVICE GAUGES
TYPE S
PGS Series
Starts at
$
80
PGS-35L-300, $90,
shown actual size.
⻬ 63 and 89 mm
(21⁄2 and 31⁄2") Dials
⻬ Stem and Panel
Mount Styles
⻬ Weather-Resistant
Stainless Steel Case
⻬ 316 SS Wetted Parts
⻬ 1% FS Accuracy
To combat hostile environments,
this general service gauge is
corrosion, weather, and dust
resistant. Mounting versatility,
PGS-25L-160, $80,
shown actual size.
excellent readability, and sustained
accuracy make this stainless steel
design a gauge leader. It can be
stem, surface, or flush mounted.
Sustained accuracy and excellent
readability are especially important
to users of the OMEGA®general
service gauge line. Meeting the
requirements of many industrial
applications, general service gauges
can be used on steam boilers or
other pressurized vessels; on pumps
and compressors; on many types of
industrial machinery; in the chemical,
petrochemical, and allied process
industries; in power plants; and in
pulp and paper mills.
The pressure gauge actuation
system in the OMEGA® general
service gauge line is the standard
316 SS Bourdon tube system, which
is engineered to precise tolerances
for repeatability and consistent
response to pressure fluctuations.
STYLE L
STYLE B
G-55
With Flange Mounting Kit
STYLE B
3
1
⁄2" Lower
and Back Connect
75
(2.95)
11
FLATS
(0.44)
Ø 98.8
(3.89)
10.4
(0.41)
9.1
(0.36)
31.7
(1.25)
Ø 91.3
(3.59)
21.3
(0.84)
29.4
(1.16)
21⁄2" Lower
and Back Connect
(2.39)
Ø69.9
60.6
(2.75)
11
FLATS
(0.44)
10.4
(0.41)
(0.36)
9.1
Ø 62.3
(2.45)
31.7
(1.25)
21.3
(0.84)
29.4
(1.16)
TYPE S GENERAL SERVICE GAUGES
31⁄2" Back Connect
21.3
(0.84)
2 (1/16) TO 6 (1/4)
PANEL
48
(1.89)
9.1
(0.36)
33.3
(1.31)
22.6
(0.89)
29.4
(1.16)
Ø91.3
(3.59)
11 (0.44)
FLATS
#8-32 STUDS
& 3/8 HEX NUT
61.1
(2.41)
93 (3.66) ±1 (0.03)
PANEL CUTOUT
6.4
(0.25)
26.4
(1.04)
106.3
(4.18)
Ø 3.89
(98.8)
21⁄2"
Back Connect
21.3
(0.84)
29.4
(1.16)
9.1
(0.36)
2 (1/16) TO 6 (1/4)
PAN EL
Ø62.3
(2.45)
22.6
(0.89)
33.3
(1.31)
48
(1.89)
11 (0.44)
FLATS
#8-32 STUDS
& 3/8 HEX NUT
49.2
(1.94)
28.4
(1.12)
73.3
(2.88)
6.4
(0.25)
64 (2.53) ±1 (0.03)
PAN EL CUTO UT
Ø69.9
(2.75)
21⁄2" 1009 Back
Connect
Ø79.5
BOLT CIRCLE
(3.13)
Ø69.9
(2.75)
Ø 4.1
(0.16)
Ø93.7
(3.69)
21.3
(0.84)
Ø 2.45
(62.3)
29.4
(1.16)
31.7
(1.25)
Ø
2.59 (66) MAX
PANEL CUTOUT
Ø
2.53 (64) MIN
10.6
(0.42)
11 (0.44)
FLATS
3
1
⁄2" 1009 Lower and
Back Connect
(2.95)
75
Ø (4.57)
BOLT
CIRCLE
116
(0.44)
FLATS
11
Ø (3.89)
98.8
Ø (5.20)
132
Ø (0.22)
5.6
(0.80)
20.3
(1.64)
41.6
(0.84)
21.3
(0.77)
19.5
PGS-25B/PGS-25L PGS-35B/PGS-35L
Dimensions: mm (in) ø = diameter
SPECIFICATIONS
Max Operating Temp: 66°C (150°F)
Case: Polished stainless steel
Window: Polycarbonate plastic with
Neoprene sealing gasket
Bourdon Tube: 316 SS
ACCESSORIES FOR TYPE S GAUGES
MODEL NO. DESCRIPTION PRICE
UBK-25A U-bracket kit for 21⁄2 gauge $12
UBK-35A U-bracket kit for 31⁄2 gauge 12
FMK-25A Flange mount kit for 21⁄2 gauge 15
FMK-35A Flange mount kit for 31⁄2 gauge 20
Connection: Back or lower
Fitting: 316 SS,
Dial Size: 63 and 89 mm (2
Mounting: Stem, flange or “U” bracket
Accuracy: 1% full scale
1
⁄4 NPT
1
⁄2 and 31⁄2")
PRESSURE
GAUGES
G
Warning: To prevent misapplication, all
gauge components should be chosen
with an eye to the media and ambient
operating conditions to which they will
be exposed. Improper application
can be detrimental to the gauge,
causing failure and possible personal
injury and property damage.
Dimensions: mm (in) ø = diameter
FMK-25A
UBK-25A
G-56
UBK-35A
FMK-35A
HOW TO ORDER TYPE S
GENERAL SERVICE GAUGES
Standard Ranges—Type S
Pressure (psi)
DIAL SIZE MODEL NO. CONNECTION PRICE
PGS-25L-[*] (to 600 psi) Lower $80
21⁄2"
1
3
⁄2"
Insert range code from table below. Comes complete with operator’s manual.
*
Option: “X6B”, oxygen service cleaning, $65.
Ordering Example: PGS-25B-160, pressure gauge, general service type, 21⁄2 " dial,
back connection, 0/160 psi range, $85.
Pressure Range: Select a gauge
with a full scale pressure range of
approximately twice the normal
operating pressure. The maximum
operating pressure should not
exceed approximately 75% of the
full scale range. Failure to select a
gauge range within these criteria
may ultimately result in fatigue
failure of the Bourdon tube.
Oil-Filled Gauges Also Available:
Type S gauges are available on
special order filled with silicone oil.
The silicone oil is used to dampen
the internal movement of the gauge
when it is installed on vibrating
equipment. The oil has an operating
range of -40 to 66°C (-40 to 150°F).
The maximum storage temperature
of the gauge is 82°C (180°F).
To Order: Add suffix “F” to
model number and an additional
$25 to price for 63 mm (21⁄2") gauges
or an additional $35 for 89 mm
(31⁄2") gauges.
RANGE INCHES INCHES
CODE RANGE MERCURY psi MERCURY psi
30V/15 30 inHg vac/0/15 psi 5310.5
30V/30 30 inHg vac/0/30 psi 10 511
30V/60 30 inHg vac/0/60 psi 10 10 21
30V/100 30 inHg vac/0/100 psi 10 10 21
30V/150 30 inHg vac/0/150 psi 10 20 52
30V/300 30 inHg vac/0/300 psi 30 25 55
Note: For Type S gauges with oxygen cleaning, gauge fill must be Halocarbon. Add $25
Ordering Example: PGS-25B-60-F, pressure gauge, general service type, 63 mm (21⁄2") dial,
0/60 psi range, silicone oil filled, $90 + 25 = $115.
PGS-25L-[*] (over 600 psi) Lower 90
PGS-25B-[*] (to 600 psi) Back 90
PGS-25B-[*] (over 600 psi) Back 95
PGS-35L-[*] (to 600 psi) Lower 90
PGS-35L-[*] (over 600 psi) Lower 105
PGS-35B-[*] (to 600 psi) Back 105
PGS-35B-[*] (over 600 psi) Back 120
PGS-25L-160, $80,
shown smaller
than actual size.
FIGURE MINOR
INTERVAL GRADUATION
G-57
PGS-25L-100, $80,
shown smaller
than actual size.
MOST POPULAR
RANGES HIGHLIGHTED!
RANGE FIGURE MINOR
CODE RANGE
15 0/15 1 0.2
30 0/30 5 0.5
60 0/60 51
100 0/100 10 1
160 0/160 20 2
200 0/200 20 2
300 0/300 30 5
400 0/400 50 6
600 0/600 50 10
800 0/800 100 10
1000 0/1000 100 10
1500 0/1500 200 20
2000 0/2000 200 20
3000 0/3000 300 50
5000 0/5000 500 50
6000 0/6000 1000 100
7500 0/7500 1000 100
10,000 0/10,000 1000 100
VACUUM
30V 30 to 0 5 0.5
inHg inHg inHg
Recommended Reference Book:
Hydraulics and Pneumatics,
CM-4422, $55.
Visit omega.com/bobi
for Additional Books
INTERVAL
GRADUATION
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
EPG05
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