Pressure gauge dimensions
in.
Materials
Name
Case
Connection port thread
Bourdon tube
Clear cover
Materials
SPCC (painted black)
SUS316
SUS316
Plastic (PC)
Symbol
Pressure gauge
G1S-40-F11
•
G3S-40-F11
Order codes
Outside diameter
40
Outside diameter 1.575 in.
Pressure gauge
Pressure indicator range
1
Standard specifications 145 psi
3
Low pressure specifications 43.5 psi
G
S
40
Specifications
Item
Media
Port size
Pressure indicator range
Accuracy
Maximum operating pressure
Operating temperature range
Mass
Air, N
2
, O
2
, CO
2
, He, Ar
NPT1/4
F.S.
±
2.5%
41 to 140 (non-condensation)
3.21
G1S-40-F11
0 to 145
134.9
G3S-40-F11
0 to 43.5
36.3
Model
psi
psi
°F
oz
Handling instructions and precautions
During mounting and piping operations, do not grab the
pressure gauge body to tighten. For tightening, always use a
wrench on the piping connection port's square portion. Use a
tightening torque of 2.21 to 3.69 ft
•
lbf if the pressure gauges
are mounted on the pressure port plate with NPT1/4.
150
90
30
120
60
0
0.4
0.6
1
０
0.8
0
．
2
USE NO OIL
(MPa)
psi
Low pressure marker
High pressure marker
Cover ring
Preset marker
You can set the preset marker. Rotate the cover ring to first set
the low pressure and then set the high pressure.
Mounting and piping
●
Stainless steel Bourdon tube pressure gauge.
NOTE
The pressure gauge is a precision measuring device.
Be careful of impacts and vibrations.
（
1.870
）
1.055
0.815
0.472
φ
1.673
□
0.551
NPT1/4
0.1
0
．
3
0
．
2
45
35
25
15
５
0
0
10
20
30
40
USE NO OIL
(MPa)
psi
●
G3S-40-F11
Low pressure specifications
43.5 psi
150
90
30
120
60
0
0.4
0.6
1
０
0.8
0
．
2
USE NO OIL
(MPa)
psi
●
G1S-40-F11
Standard specifications
145 psi
F11
NPT thread specifications
