Ashcroft 1180 Data sheet
107
Next Page
Previous Page
Index
Low Pressure Bellows Gauge
Type 1187, 1188 & 1189
ASME B 40.1 Grade A
(±2-1-2% of span)
• Available in 41⁄2˝ and 6˝ dial sizes
• Bellows-actuated mechanism
• Three bellows materials
• Easily adjustable micrometer
pointer
• Phenolic (1188) or aluminum
(1187, 1189) cases
• All-stainless steel movements
STANDARD
Vacuum
in.h
(4)
20 mmhg
20
METRIC
Single Dual
Scale Dial Scale Dial
Pressure Pressure
Outer Scale
2
mmh
2O in.h20
0/250 0/10
0/400 0/16
0/600 0/24
0/1000 0/40
0/1600 0/60
0/2500 0/100
0/4000 0/160
0/6000 0/240
Vacuum Vacuum
–250/0 –10/0
–400/0 –16/0
–600/0 –24/0
–1000/0 –40/0
–1600/0 –60/0
–2500/0 –100/0
–4000/0 –160/0
–6000/0 –240/0
Compound Compound
–125/125 –5/5
–200/200 –8/8
–300/300 –12/12
–500/500 –20/20
–800/800 –30/30
–1250/1250 –50/50
–2000/2000 –80/80
–3000/3000 –120/120
PRESSURE RANGES
Single Dual
Scale Dial Scale Dial
Compound Pressure
(Vac/Press) Inner Outer
in.h2O in.h2O oz/in
–5/5 0/10 0/6
–10/10 0/15 0/9
–30/10 0/20 0/12
–20/20 0/30 0/18
–40/20 0/40 0/24
–10/30 0/60 0/35
–30/30 0/80 0/45
–70/30 0/100 0/57
–20/40 0/150 0/90
–50/50
in.hg/psi psi in.hg
–5/3 0/5 0/10
–2/5 0/8 0/16
–5/5 0/10 0/20
–10/5
10/0 18/0
15/0 28/0
20/0 37/0
30/0 56/0
40/0 75/0
60/0 110/0
80/0 150/0
100/0 180/0
150/0 270/0
in.hg fth
10/0 11/0
15/0 17/0
20/0 23/0
Ashcroft® bellows gauges are
used for measuring low pressures
from 10˝ H2O to 10 psi pressure as
well as vacuum and compound
ranges. Coupled with their sensitivity, these gauges have a rugged
design for process and industrial
applications.
CASE SELECTION
(1)
Dial Size
epoxy coated black crinkle enamel
ring Flush— back, order 1278M
mounting ring, specify X56
4
BELLOWS SYSTEM/RANGE SELECTION
Order Bellows Pressure Vacuum Compound NPT Available
Code & Socket Range Range Range Conn.
Material and Type
A Brass
Hg vac. & 5 psi 4
S 316 SS
Hg vac. & 5 psi
P Monel 10˝ H2O to 5 in.H2O vac. & 5 in. 41⁄2˝–1187
Hg vac. & 5 psi 4
(3) For selection of the correct bellows system material, see the
(4) Others ranges available: Consult factory.
(5) Lower connect only.
Case Type Case Material Ring Style Mounting
41⁄2˝ 1187
Stem — lower or back
41⁄2˝ 1188 Phenolic, black
1
⁄2˝, 6˝ 1189
10 in.H2O to 10 psi
Meets NACE
MR01-75
media application table on page 253 or the Corrosion Guide.
Aluminum, black Hinged steel,
Aluminum, Threaded polypropylene
black epoxy coated ring Surface — lower
(3)
10 in.H2O to 10 psi
10 in.H2O to 10 psi
20 in.Hg 5 in.H
10 in.H2O to
20 in.Hg
10˝ H
20 in.Hg
5 in.H
O to
2
5 in.H
5 in.H
5 in.H
Flush — back only
Threaded polypropylene Surface — lower or back
Stem — lower
O vac. & 5 in. 41⁄2˝–1187
2
O vac. & 10 in. 1⁄4, 1⁄2 41⁄2˝–1188
2
O vac. & 5 in. 41⁄2˝–1187
2
O vac. & 10 in. 1⁄4, 1⁄2 41⁄2˝–1188
2
O vac. & 10 in. 1⁄4, 1⁄2 41⁄2˝–1188
2
1
41⁄2˝, 6˝–1189
1
Case Size
⁄2˝, 6˝–1189
⁄2˝, 6˝–1189
(5)
(5)
(5)
TO ORDER THIS 1188, 1187 OR 1189 PRESSURE GAUGE:
Select: 45 1188 AS* 02L XXX 10 IW
1. Dial size–41⁄2˝ & 6˝
2. Case type–1188, 1187, 1189
3. Bellows and socket material
4. Connection size – 1⁄4˝ (02), 1⁄2˝ (04)
5. Connection location – Lower (L), Back (B)
6. Optional features – see page 249
7. Standard pressure range –10 in.H2O
Accessories – see pages 243-248
(*) Denotes solid-front case design.
Consult factory for guidance in product selection
Phone (203) 385-0217, Fax (203) 385-0602 or
visit our web site at www.ashcroft.com
Loading...