Submittal Sheet

Type 1490 Low Pressure Diaphragm Gauge
Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA
Tel: [phone] • Fax: [phone]
email: [e-mail] • www.ashcroft.com
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
© Ashcroft Inc. 2010 06/10
S
TANDARD METRIC RANGES
P
ressure Figure Intervals Minor Graduation
0/60 cm. H
2
O 10 1
0/2.5 kPa 0.5 0.05
0/4 kPa 1 0.1
0
/10 kPa 1 0.1
0
/16 kPa 2 0.2
0
/25 kPa 5 0.5
0/40 kPa 10 1
0
/100 kPa 10 1
V
acuum
2.5/0 kPa 0.5 0.05
4/0 kPa 1 0.1
10/0 kPa 1 0.1
16/0 kPa 2 0.2
25/0 kPa 5 0.5
4
0/0 kPa 10 1
100/0 kPa 10 1
Compound
–
10/60 cm H
2O
10 1
–
10/80 cm H
2O
10 1
–20/40 cm H2O 10 1
–10/100 cm H2O 10 1
–
10/120 cm H
2O
20 2
S
TANDARD RANGES
Pressure Figure Intervals Minor Graduation
0
/10 in.H
2
O
1 0.1
0
/15 in.H
2
O
5 0.2
0/30 in.H
2
O5 0.5
0/60 in.H
2
O 10 1
0/100 in.H
2
O 10 1
0
/160 in.H
2
O
20 2
0
/200 in.H
2
O
20 2
0/300 in.H
2
O 50 5
0/10 oz./in.
2
1 0.1
0/15 oz./in.
2
5 0.2
0
/30 oz./in.
2
5
0.5
0
/60 oz./in.
2
1
0 1
0/100 oz./in.
2
10 1
0/160 oz./in.
2
20 2
0/250 oz./in.
2
50 5
0
/3 psi 0.5 0.05
0/5 psi 1 0.1
0
/10 psi 1 0.1
0/15 psi 5 0.2
BULLETIN DG-1490
S
ELECTION TABLE
D
ial Size Type Wetted Material Conn. Size & Type Connection Location Ranges Optional Features
C
ode Desc. Code Description Code Description Code Description Code Description Code Description Code Description
25 2
1
/2˝
1490
Low Pressure A Beryllium Copper 01
1
/8 NPT L Lower 10 IW 0 to 10 in.H
2
O XAN 1% Opt. Accuracy
35 3
1
/2˝ Diaphragm Gauge Brass 02
1
/4 NPT B Center Back XDA Dial Marking
Polysulfone HD
1
/8˝ I.D.Tubing Hose Barb
(2,3)
T Top See Chart for XNH Stain. Steel Tag
RTV Silicone HE
3
/16˝ I.D.Tubing Hose Barb
(
2,3)
D 3 O’Clock Entire List of XNN Paper Tag
HF
1
/4˝ I.D.Tubing Hose Barb
(2,3)
E 9 O’Clock Ranges XTU
(1,3)
Throttle Plug
HG
1
/4˝ O.D. Polytube Hose Barb
(2,3)
XTS
(4)
Throttle Screw
HH 10-32-2B Female Thread
(
2,3,5)
XUC
(
2)
U-clamp
XZY FlutterGuard™
(1)
A throttle plug must be installed in the socket whenever the gauge is used for intermittent or continuous service on natural gas.
(2) U-clamp furnished when hose barb or female thread is specified.
(3) Throttle plug not available with hose barb or female thread connections.
(4) .020 throttle screw available with HH connection only.
Vacuum Figure Intervals Minor Graduation
15/0 in.H
2
O5 0.2
3
0/0 in.H
2
O
5 0.5
6
0/0 in.H
2
O
10 1
100/0 in.H
2
O 10 1
200/0 in.H
2
O 20 2
1
5/0 oz./in.
2
5
0.2
3
0/0 oz./in.
2
5
0.5
60/0 oz./in.
2
10 1
100/0 oz./in.
2
10 1
C
ompound
–
30/30 in.H
2
O
10 1
–30/30 in.oz./in.
2
10 1
–10/10 in.H
2
O2 0.2
Dual Scale
Graduations
R
ange
I
nner Scale Outer Scale
Inner Scale Outer Scale
Figure Minor Figure Minor
I
ntervals Grad. Intervals Grad.
0/9 oz./in.
2
0/15 in.H2O1 0.2 5 0.2
0/20 oz./in.
2
0/35 in.H2O5 0.5 5 0.5
0
/35 oz./in.
2
0
/60 in.H
2O
5 0.5 10 1
0/60oz./in.
2
0/100 in.H2O 10 1 10 1
Other ranges available on request. Consult factory.
S
TANDARD RANGES (Cont.)
HOW TO ORDER: 25 1490 A 02L XXX 10 IW
1. Dial size – 2
1
⁄2 (25), 3
1
⁄2 (35)
2. Case type
3. Wetted material
4. Connection size –
1
⁄4 (02),
1
⁄8 (01)
5. Connection location – Lower (L), Back (B)
6. Optional features
7. Standard pressure range – 10 in.H
2
O
Ash Bul DG-1490:layout 6/24/10 8:38 AM Page 2