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Differential Pressure

0-5" H2O to 0-50 psid

Diaphragm Sensors

for Liquids & Gases

 

Features

>> Low DP ranges at high line pressures

>> Rugged, weatherproof design

>> Gauge, switch and transmitter versions

>> Popular in filtration, flow and level measurements

 

Specifications

 

 

HOW THEY WORK

STD. OPTIONS

DIAL CASES

ELECTRICAL

MOUNTING OPTS

DIMENSIONS

HOW TO ORDER

Model

Differential

pressure

range

Maximum

line pressure/

temperature

Accuracy

(F.S.)

(Ascending)

Electrical

available*

Additional

information

(PDFs)

1516DG/DGS/DS/DGT/

         DT

0-1 to 0-50 psid

(0-0.07 to 0-3.3 bar)

1500 psig (100 bar)/

200F (93C)

2%

1 or 2 switches

transmitter

Class 1 Div. 2

Catalog page

Specification sheet

Instruction sheet

Drawing

Replacement parts

1518DG/DGS

 

10-0-10 to

50-0-50 psid

(0.67-0-0.67 to

3.3-0-3.3 bar)

1500 psig (100 bar)/

200F (93C)

2%

1 or 2 switches

Class 1 Div. 2

Catalog page

Specification sheet

Drawing

Replacement parts

1831DG/DGS

0-5" H2O to 0-8 psid

(0-125 mm H2O to

(0-0.5 bar)

Aluminum body:

100 psig (7 bar)/

200F (93C)

Stainless steel body:

150 psig (10 bar)/

200F (93C)

2%

1 or 2 switches

No enclosure

Catalog page

Specification sheet

Instruction sheet

Drawing

Replacement parts

1833DGS/DS/DGT/DT

0-5" H2O to 0-8 psid

(0-125 mm H2O to

(0-0.5 bar)

Aluminum body:

100 psig (7 bar)/

200F (93C)

Stainless steel body:

150 psig (10 bar)/

200F (93C)

2%

1 or 2 switches

1 relay

transmitter

Class 1 Div. 2

Catalog page

Specification sheet

Instruction sheet

Replacement parts

1835DS/DGS

5-0-5" H2O to

8-0-8 psid

(125 mm-0-125 mm

 H2O to 0.5-0-0.5 bar)

Stainless steel body:

150 psig (10 bar)/

200F (93C)

2%

1 or 2 switches

No enclosure

Catalog page

Specification sheet

Instruction sheet

Replacement parts

D=Diahragm  G=Gauge  S=Switch  T=Transmitter

 

 

*NEMA 4X switch models have a 1/2" NPT conduit port as standard (all other have 1/4" NPT standard).

A DIN  43650A-PG11 with mating connector is optional, rated IP65 & NEMA 4X.

 

 

 

Dimensions

 

Model 1516 differential pressure gauge  

Model 1518 differential pressure gauge

Model 1831 differential pressure gauge-switch Model 1833 differential pressure switch

Model 1835 differential pressure gauge-switch

For complete dimensions click on Drawing PDF in table above


 

How to Order

Select from each of the applicable categories to construct a model number. Write down model number for future reference. Contact Orange Research or your local Orange Research distributor for additional options and pricing information. Reordering? You must supply the Part Number from your instrument label.

 

Samples

Gauge (w/switch option): 1516DGS - 1A - 2.5B - A  0-15 psid, 2 switch to close at 10 psid ascending

Switch only (no gauge): 1516DS - 1C  - A  0-15 psid switch to close at 10 psid ascending

-

 

^

Model

- 

 

^

Pressure Body

- 

 

^

Dial Case

 

 

^

Electrical

,

 

^

Range

 

 

^

Options

1516DG

1516DGS

1516DS

1516/DGT

1516/DT

1518DG

1518DGS

1831DG

1831DGS

1833DGS

1833DS

1835DG

1835DGS

1835DS

More models

above

In-line ports:

1A = aluminum

1C = 316 stainless

1E = brass

Change "1 "above to:

"4" for back ports

"5" for bottom ports

1518 and 1800 series

in-line only; 1835 SS

only

(optional)

2.5B = 2.5" basic

3.5B = 3.5" basic

4.5B = 4.5" basic

6.0B = 6.0" basic

Change "B" above

to "F" for flanged

dial case

(optional)

A = SPST, N.O.

B = SPST, N.C.

C = SPDT

A-A = 2 ea. -A

B-B = 2 ea. -B

C-C = 2 ea. -C

R2 = relay

T2 = transmitter

Model 1516:

0-1, 0-2, 0-3, 0-5, 0-8,

0-10, 0-15, 0-20, 0-25,

0-30, 0-35, 0-40, 0-50

psid

Model 1518:

10-0-10, 15-0-15,

20-0-20, 25-0-25,

30-0-30, 50-0-50 psid

(others available)

Models 1831 & 1833:

0-5', 0-10",0-15", 0-20",

0-25", 0-30", 0-40",

0-50", 0-60", 0-80",

0-100", 0-150", 0-200",

H2O; 0-8 psid

Model 1835:

5-0-5" H2O;

1-0-1, 2-0-2, 3-0-3,

5-0-5, 8-0-8,

10-0-10, 15-0-15,

20-0-20, 25-0-25,

30-0-30, 50-0-50

100-0-100 psid

(others available)

 

1 = 1/2" NPT

2 = plastic lens

3 = liquid filled (glycerine)

4 = follower pointer

5 = Teflon coated magnet & spring

6 = red arc (specify range)

7 = dual scale (specify both)

8 = high temperature

Special diaphragms and seals

(Buna is standard)

E = EPDM

F = Fluorosilicone

V = Viton

T = Teflon (o-ring seals only)

 

(more differential pressure options)


Diaphragm Sensor Differential Pressure Gauges

These diaphragm sensor differential pressure gauges measure the pressure difference between two points. Acting in the place of two pressure gauges, these units allow for one simple reading on an easy-to-read scale. Popular in filtration, flow and level applications, they are a low cost alternative to bourdon tube and bellows designs.

Our 1516 Series models are our most popular diaphragm sensor design. They combine a highly sensitive sensor with high line pressure capabilities.

We offer them with bodies (and wetted parts) of aluminum, stainless steel or brass. A variety of dial sizes are also available, from 2.5 inch to 6 inch, with many porting and mounting configurations. Choose from a wide selection of standard options; enough to satisfy any requirement.

Our 1800 Series models are our most sensitive sensor designs. While being sensitive they also handle high line pressures up to 150 psi!

Note: Select these diaphragm models for air or gas applications or where fluid migration from the high to low pressure ports cannot be tolerated.

Switches, Relays, Transmitters

A variety of reed switches and relays can accompany the gauges or be supplied on their own, without a dial. SPST switches are offered normally open (N.O.) or normally closed (N.C.). SPDT reed switches also are available. DPDT relays are offered for high inductance applications, such as those incorporating motors or solenoids. Transmitters offer a current or a voltage output. More information on switches, relays and transmitters

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