Dwyer Instruments SERIES 4000 Catalog Page
3/4 [19.05] TYP
SERIES 4000
CAPSUHELIC® DIFFERENTIAL PRESSURE GAGE
Measures Pressure, Vacuum or Differential, Suitable for Internal Pressures to 500 psig
1/4 FEMALE NPT LOW
PRESSURE CONNECTION
[AIR OR GAS]
13/32
[10.32] TYPE
Capsuhelic® pressure gage has a large,
easy-to-read 4˝ (102 mm) dial.
1/4 FEMALE NPT HIGH
PRESSURE CONNECTION
[4] #6-32 X 3/8 [9.53] DP
HOLE ON A 4-11/32 [110.33]
PRESSURE CONNECTION
[AIR OR GAS]
BOLT CIRCLE
1/4 FEMALE NPT HIGH
1/4 FEMALE NPT LOW
PRESSURE CONNECTION
[LIQUID]
[LIQUID]
35° TYP
Ø4-45/64
[119.46]
2-19/32
[65.86]
1/2
[12.70]
Ø5
[127.00]
PRESSURE
The Series 4000 Capsuhelic® Differential Pressure Gage is designed to give fast,
accurate indication of differential pressures. The gage may be used as a readout
device when measuring owing uids, pressure drop across lters, liquid levels in
storage tanks and many other applications involving pressure, vacuum or differential
pressure.
The pressure being measured is held within a capsule which is an integral part of
the gage. This containment of the pressure permits the use of the gage on system
pressures of up to 500 psig, even when differentials to be read are less than 0.1 in w.c.
FEATURES/BENEFITS
• Gage capsule permits high-pressure usage with small differentials
• Zero and range adjustments outside of gage means no disassembly in normal
service
• Time-proven, simple, frictionless movement that permits full-scale readings as low
as 0.5 in w.c.
• Diaphragm-actuated versus liquid lled gage supports outdoor use
APPLICATIONS
• Fluid ow
• Liquid storage tanks
• Filter pressure drops
• Vacuum or differential pressure
Note: May be used with hydrogen where pressures are less than 35 psi. Order with a
Buna-N diaphragm.
MODEL CHART
Model Range Model Range
4005*
4006*
4010*
4015*
4020*
4025*
4030*
4040*
4050*
4060*
4080*
4100*
4200*
*These ranges available for vertical scale position only.
**Available only with the brass case for water service.
Note: Scales reading directly in ow, heights, etc., are also available.
0-5.0 in w.c.
0-6.0 in w.c.
0-10 in w.c.
0-15 in w.c.
0-20 in w.c.
0-25 in w.c.
0-30 in w.c.
0-40 in w.c.
0-50 in w.c.
0-60 in w.c.
0-80 in w.c.
0-100 in w.c.
0-200 in w.c.
4310
4330
4205
4210
4215
4220
4616B**
4635
5-0-5 in w.c.
15-0-15 in w.c.
0-5 psid
0-10 psid
0-15 psid
0-20 psid
0-16 ft w.c.
0-35 ft w.c.
SPECIFICATIONS
Service: Aluminum case: Air and compatible gases and oil based liquids; Brass
case: Air and compatible gases and water based liquids.
Wetted Materials: Consult factory.
Housing: Die cast aluminum with impregnated hard coating, standard. Optional
forged brass housing is required for water or water based uids. Special material
diaphragms available, contact factory.
Accuracy: ±3% of FS at 70°F (21.1°C). (±4% on 4200, 4210, 4215, 4220, 4300,
4400, and 4500).
Pressure Limits: -20˝ Hg to 500 psig (-0.677 bar to 34.4 bar).
Temperature Limits: 20 to 200°F (-6.67 to 93.3°C).
Size: 4˝ (101.6 mm) diameter dial face.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other
position orientations.
Process Connections: 1/4˝ female NPT high and low pressure taps, duplicated one pair top for air and gas, and one pair bottom for liquids.
Weight: 3 lb, 3 oz (1.45 kg) aluminum case; 7 lb, 13 oz (3.54 kg) brass case.
OPTIONS
To order add sufx: Description
-ASF
B
Scale Overlays
-NIST
ACCESSORIES - STANDARD
Description
Two 1/4˝ NPT plugs for duplicate pressure taps, four ush mounting adapters with
screws and four surface mounting screws.
ACCESSORIES
Model Description
A-298
Flat ush mounting bracket
A-309
3-way manifold valve
A-314
Bleed tting
A-370
Mounting bracket
A-471
Portable kit
A-496
Flush mount bracket
A-610
Pipe mount kit
USA: California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Adjustable signal ag
Brass case
Red, green, mirrored or combination; specify locations
NIST traceable calibration certicate
Process Tubing Options: See page 453 (Gage Tubing Accessories)
DWYER INSTRUMENTS, INC.
Differential Pressure Gages
31
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