Omega Products PGU-15B-100PSI-7BAR User Manual

LOW-COST UTILITY GAUGES

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FOR INDUSTRIAL AND OEM MARKETS
DUAL psi/bar SCALES

PGU Series

Starts at

$

12

 Dual Scales in psi

and bar

 Economically Priced
 3-2-3% Full Scale

Accuracy*

 38, 50, 63, or 89 mm

Dials (1
or 31⁄2" Dials)

 Center Back or Lower

Mount Fittings

* 3% first 1⁄3 of scale, 2% middle

1

⁄3 of scale, 3% last 1⁄3 of scale

1

⁄2, 2, 21⁄2,

PGU-20L-30PSI/2BAR,
with lower-mount fitting,
$12, shown actual size.

PGU-35L-100PSI/7BAR,
with lower-mount fitting,
$21, shown smaller than
actual size.

OMEGA’s PGU Series utility
gauges provide economical,
reliable service in a wide range of
applications including pumps,
compressors, and other equipment.
These gauges come in ranges of
(psi/bar) 0 to 30/2, 60/4, 100/7,
160/11, 200/14, and 300/21 with
an accuracy of ±3-2-3% of span.

Gauges are available in 38 mm

1

⁄2"), 50 mm (2"), 63 mm (21⁄2"), or

(1
89 mm (31⁄2") steel cases with center
back- or lower-mount NPT
connections.

PGU-15B-160PSI/11BAR, with back-mount
fitting, $16, shown actual size.

Back-Mount

PGU Series

Lower-Mount PGU Series

SPECIFICATIONS

Ranges (psi/bar): 0 to 30/2, 60/4,

100/7, 160/11, 200/14, 300/21

Accuracy: ±3-2-3%
Bourdon Tube: Phosphor bronze
Window: Polycarbonate
Dial: ABS
Pointer: Aluminum
Case: Painted steel
Connection:

[1⁄8 NPTM on 38 mm (11⁄2") dials]

1

⁄4 NPTM

Dimensions Table

on Next Page

G-45

HOW TO ORDER PGU SERIES GAUGES

PGU-35L-100PSI/7BAR, $21,

shown actual size.

Recommended Reference Book:

Measure for Measure,

OP-17, $15.

Visit omega.com/bobi

for Additional Books

MOST POPULAR RANGES HIGHLIGHTED!

STANDARD RANGES

OUTER SCALE INNER SCALE

RANGE CODE (psi)(bar)

30PSI/2BAR 0 to 30 0 to 2
60PSI/4BAR 0 to 60 0 to 4
100PSI/7BAR 0 to 100 0 to 7
160PSI/11BAR 0 to 160 0 to 11
200PSI/14BAR 0 to 200 0 to 14
300PSI/21BAR 0 to 300 0 to 21

PRESSURE

GAUGES

G

MOST POPULAR MODELS HIGHLIGHTED!

To Order (Specify Model Number)

DIAL SIZE MODEL NO. CONNECTION PRICE

38 mm (11⁄2") PGU-15L-[*]
38 mm (11⁄2") PGU-15B-[*]
50 mm (2") PGU-20L-[*]
50 mm (2") PGU-20B-[*]
63 mm (21⁄2") PGU-25L-[*]
63 mm (21⁄2") PGU-25B-[*]
89 mm (31⁄2") PGU-35L-[*]

[*] Insert range code from Standard Ranges table.
Ordering Examples: PGU-35L-30PSI/2BAR, 89 mm (3

and scaled 0 to 30 psi and 0 to 2 bar, $21.
PGU-25B-30PSI/2BAR, 63 mm (2

and 0 to 2 bar, $16

1

") gauge with back fitting and scaled 0 to 30 psi

⁄

2

Dimensions: mm (in)

DIAL SIZE FITTING AB C DEF

38.1 Lower 42.4 22.6 7.1 11.0 5.6 15.7
(11⁄2) mount (1.67) (0.89) (0.28) (0.43) (0.22) (0.62)

38.1 Center 42.4 23.1 21.3 11.0 4.6 15.7
(11⁄2) back mount (1.67) (0.91) (0.84) (0.43) (0.18) (0.62)

50.8 Lower 55.1 27.4 9.7 14.0 6.4 18.0
(2) mount (2.17) (1.08) (0.38) (0.55) (0.25) (0.71)

50.8 Center 55.1 27.9 27.7 14.0 7.4 19.8
(2) back mount (2.17) (1.10) (1.09) (0.55) (0.29) (0.78)

63.5 Lower 63.2 29.7 9.9 14.0 8.9 21.6
(21⁄2) mount (2.49) (1.17) (0.39) (0.55) (0.35) (0.85)

63.5 Center 63.2 31.5 30.7 14.0 8.9 21.6
(21⁄2) back mount (2.49) (1.24) (1.21) (0.55) (0.35) (0.85)

88.9 Lower 89.7 30.2 10.2 14.0 10.7 22.1
(31⁄2) mount (3.53) (1.19) (0.40) (0.55) (0.42) (0.87)

1

⁄8" lower $16

1

⁄8" back 16

1

⁄4" lower 12

1

⁄4" back 12

1

⁄4" lower 16

1

⁄4" back 16

1

⁄4" lower 21

1

") gauge with bottom fitting

⁄

2

PGU-20B-100PSI/7BAR, $12,

shown actual size.

G-46

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D

A

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2

D

LOW-COST, LIQUID-FILLABLE
UTILITY GAUGES

PGUF Series

PGUF-25B-100PSI/7BAR,
center back-mount gauge,
$20, shown actual size.

Starts at

$

20

 Dual Scales in psi

and bar Standard

 Economically Priced
 2.5% Full Scale Accuracy
 38, 50, or 63 mm Dia.

1

⁄2, 2, or 21⁄2")

(1

 Center Back- or

Lower-Mount Fittings

OMEGA’s PGUF Series liquid­fillable utility gauges are designed
for a wide range of applications on
pumps, compressors, hydraulic
systems, machine tools, and
petrochemical processing
equipment. For high-shock
and vibration applications, the
PGUF can be liquid-filled in the
field to dampen the gauge
pointer movement.

The PGUF Series liquid-fillable
gauges come in ranges of (psi/bar)
0 to 30/2, 60/4, 100/7, 160/11,
300/21, 600/42, and 1000/70
[the 63 mm (2
available in 2000/140 and
3000/210]. Rated accuracy is
±2.5% of span.

The gauges feature a corrosion­resistant 304 SS case and ring,
and a durable polycarbonate
window. Phosphor bronze Bourdon
tubes with brass movement,
socket, and NPT connections
are standard. PGUF gauges
are available in 38 mm (1
50 mm (2"), and 63 mm (21⁄2")
designs with center back- or
lower-mount NPT connections.

1

⁄2") gauge is also

1

⁄2"),

PGUF Series

G-47

PGUF-20L-100PSI/7BAR,
lower-mount gauge, $20,
shown actual size.

Dimensions Table

on Next Page

HOW TO ORDER PGUF SERIES GAUGES

PGUF-20B-60PSI/4BAR,
$20, shown slightly larger
than actual size.

PRESSURE

GAUGES

G

SPECIFICATIONS

Ranges: From 30 psi/2 bar to 1000 psi/70 bar

[2000 psi/140 bar and 3000 psi/200 bar ranges
on 63 mm (21⁄2") models only]

Accuracy: ±2.5%
Bourdon Tube: Phosphor bronze
Window: Polycarbonate
Dial: Galvalume white background with blue and

black markings

Pointer: Galvalume black finish
Movement: Brass
Case and Ring: 304 SS
Connection:

[1⁄8 MNPT on 38 mm (11⁄2") dials]

Seals: Buna-N
Scale: Dual scale psi/bar
Compatible Filling Liquids: Glycerin, silicone oil

or mineral oil

Dimensions: mm (in)

DIAL SIZE A B1 B2 C1 C2 D E1 E2 F1 F2

38 (11⁄2) 45.5 26.7 — 20.9 — 14.5 8.6 — 19.6 —

(CBM†only) (1.79) (1.05) — (0.82) — (0.57) (0.34) — (0.77) —

(2) (2.33) (1.12) (1.14) (1.05) (0.40) (0.57) (0.24) (0.29) (0.76) (0.79)

(21⁄2) (2.76) (1.33) (1.33) (1.27) (0.44) (0.57) (0.46) (0.30) (1.00) (0.82)

† Center back mount.

1

⁄4 MNPT

50 59.2 28.4 29.0 26.7 10.2 14.5 6.1 7.4 19.4 20.1

63 70.1 33.8 33.8 32.3 11.2 14.5 11.7 7.6 25.4 20.8

PGUF-25B-100PSI/7BAR,

$20, shown slightly larger

than actual size.

MOST POPULAR RANGES HIGHLIGHTED!

STANDARD RANGES

RANGE CODE OUTER SCALE (psi) INNER SCALE (bar)

30PSI/2BAR 0 to 30 0 to 2
60PSI/4BAR 0 to 60 0 to 4
100PSI/7BAR 0 to 100 0 to 7
160PSI/11BAR 0 to 160 0 to 11
300PSI/21BAR 0 to 300 0 to 21
600PSI/42BAR 0 to 600 0 to 42
1000PSI/70BAR 0 to 1000 0 to 70
2000PSI/140BAR** 0 to 2000 0 to 140
3000PSI/210BAR** 0 to 3000 0 to 210

63 mm (21⁄2") gauges only.

**

MOST POPULAR MODELS HIGHLIGHTED!

To Order (Specify Model Number)

DIAL SIZE PRICE PRICE PRICE

mm (in) MODEL NO. CONNECTION

38 (11⁄2) PGUF-15B-[*]

50 (2) PGUF-20L-[*]
50 (2) PGUF-20B-[*]

63 (21⁄2) PGUF-25L-[*]
63 (21⁄2) PGUF-25B-[*]

[*] Insert range code from Standard Ranges table above.
Ordering Examples: PGUF-20L-60PSI/4BAR, 50 mm (2") gauge with lower fitting scaled 0 to 60 psi and 0 to 4 bar, $20.
PGUF-20B-60PSI/4BAR, 50 mm (2") gauge with back fitting scaled 0 to 60 psi and 0 to 4 bar, $20.

1

⁄8" back $20 $20 —

1

⁄4" lower 20 20 —

1

⁄4" back 20 20 —

1

⁄4" lower 20 23 $26

1

⁄4" back 20 23 26

<1000PSI/70BAR 1000PSI/70BAR >1000PSI/70BAR

Recommended Reference Book: Handyman in Your Pocket, GE-2408, $15. Visit omega.com/bobi for Additional Books

G-48

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