Model 10 Pressure Reducing Regulator - Equilibar

Model 10

Low-Medium Pressure Reducing Regulator

General Specifications & Performance Characteristics

The Model 10 is a pressure reducing regulator useful in a wide

variety of applications.

The Model 10 is available in ranges to regulate pressures of 0 to

2 psi up to 0 to 400 psi.

A poppet valve which is balanced by utilizing a rolling diaphragm,

ensures a constant output pressure even during wide supply

pressure variations. Stability of regulated pressure is maintained

under varying flow conditions through the use of an aspirator

tube which adjusts the air supply in accordance with the flow

velocity.

FEATURES

Positive

Bias Spring

Supply

Valve

Diaphragm

Assembly

Inlet

Port

Inner

Valve

Assembly

Outlet

Port

Gauge Port (2)

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Control sensitivity of 1/8" water column allows use in

precision processes. Pressure balanced supply valve

prevents supply pressure changes from affecting the

setpoint.

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Separate control chamber isolates the diaphragm from the

main flow to eliminate hunting and buzzing.

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An aspirator tube compensates downstream pressure

droop under flow conditions.

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Canadian Registration Number (CRN) certification for all

territories and provinces.

2-200 psig Range

300 & 400 psig Range

Mounting

Bracket

OPERATING PRINCIPLES

The Model 10 Series regulator uses the force balance principal

to control the movement of the Valve Assembly that controls

the output pressure. When the regulator is adjusted for a

specific set point, the downward force of the Positive Bias Spring

moves the Diaphragm Assembly downward. The Supply Valve

opens and allows air to pass to the Outlet Port. As the set point

is reached, the downward force exerted by the Positive Bias

Spring is balanced by the force of the downstream pressure that

acts on the Diaphragm Assembly. The resultant force moves the

Supply Valve upward to reduce the flow of air to the Outlet Port.

Outlet pressure is maintained as a result of balance between

forces acting on the top and bottom of the Diaphragm Assembly.

? 2011-2023 Equilibar, LLC

9/16

14.4

27/32

21.6

1 7/8 to CL

47.6 of unit

7/32 Dia. (3)

5.5

11/32 Dia. (2)

8.7

3/8

9.5

1 1/18

28.6

3/4

19.1

2 1/4

57.2

3

76.2

Application Highlight

The Model 10 Pressure Reducing Regulator is often used to pilot operate an Equilibar? Back Pressure Regulator. This is static

pressure and is not under constant flow. Because the Model 10 is isolated from the process fluid by the diaphragm in the Equilibar,

it is not necessary for the wetted parts of the Model 10 to be compatible with process fluids. In most applications it will only see

air or inert gases.

Air Compressor

Model 10

Leads To

Process

Inlet

Reference Port

Outlet

PRECISION GAS DELIVERY APPLICATION

The Model 10 is useful as a stand-alone general

purpose regulator in any application where a higher

pressure supply must be regulated down to an

accurate lower pressure.

Device

Under Test

Air Compressor

Model 10



3

Technical & Ordering Information

TECHNICAL INFORMATION

ORDERING INFORMATION

Model 10262D - Regulated Pressure vs. Flow Performance Curve

110

-250

0

250

Air Flow, LPM

500

750

100 PSI Supply

1000

1250

1750

90 psig setpoint

75 psig setpoint

60 psig setpoint

45 psig setpoint

30 psig setpoint

100

90

PART NUMBER

750

70

60

0-2 psig

0-0.15 BAR

0-15 kPa

650

10222D

0-10 psig

0-0.70 BAR

0-70 kPa

600

10202D

0-20 psig

0-1.5 BAR

0-150 kPa

500

10232D

0.5-30 psig

0.03-2 BAR

3-200 kPa

450

10242D

1-60 psig

0.1-4 BAR

10-400 kPa

550

400

50

40

PRESSURE RANGE

10212D

700

Output, kPa

80

Output, psig

1500

350

10262D

2-150 psig

0.1-10 BAR

15-1000 kPa

300

10272D

3-200 psig

0.2-14 BAR

20-1400 kPa

250

30

200

10282D

5-300 psig

0.3-21 BAR

35-2100 kPa

20

150

10292D

5-400 psig

0.3-28 BAR

35-2100 kPa

100

10

50

0

-15 -10 -5

0

5

10

15

20 25

30

35

40 45

Air Flow, SCFM

50

55 60

0

65 70

Perfomance Curves display typical decrease in outlet pressure as flow

increases. Similar response to be expected for other supply pressures and

setpoints. Performance data outside of these curves is not available.

SPECIFICATIONS

SUPPLY PRESSURE

500 psig, [35.0 BAR], (3500 kPa) Maximum

PIPE SIZE

1/4¡± NPT Inlet Outlet Gauge

FLOW CAPACITY

40 SCFM (68 m?/hr) @ 100 psig, [7.0 BAR], (700 kPa)

supply and 20 psig, [1.5 BAR], (150 kPa) setpoint

EXHAUST CAPACITY

5.5 SCFM (9.35 m?/hr) where downstream pressure is

5 psig, [.35 BAR], (35 kPa) above 20 psig, [1.5 BAR],

(150 kPa) setpoint

SUPPLY PRESSURE

EFFECT

Less than 0.1 psig, [.007 BAR], (.7 kPa) for 100 psig,

[7.0 BAR], (700 kPa) change in supply pressure

AMBIENT

TEMPERATURE

-40oF to +200oF, (-40oC to 93.3oC)

HAZARD

RATING

Standard models are for use in non-hazardous

environments. For ATEX rated models, please

contact Equilibar

6.64

MATERIALS OF CONSTRUCTION

BODY AND HOUSING

Aluminum

DIAPHRAGMS

Buna N on Dacron

TRIM

Brass, Zinc Plated Steel

MODEL 10 REGULATOR KITS & ACCESSORIES

Mounting Bracket Kit - 14523 (316 Stainless Steel)

? 2011-2023 Equilibar, LLC

1.00

3.00

About Equilibar

Equilibar provides innovative and robust pressure control technology

for researchers and engineers worldwide. We are proud to design,

manufacture, and test our patented back pressure regulators in our

factory overlooking the Blue Ridge Mountains near Asheville, NC.

APPLICATION ENGINEERING¨C

WHAT SETS US APART

Unlike mass-market regulator distributors, we focus on working

with you, the scientist or engineer with a complex pressure

control scenario.

Our application engineers work collaboratively with clients

to identify the optimal model, trim, and diaphragm for each

application¡¯s unique challenges. No matter where you are on the

globe, you can stay in close contact with your engineer by email,

telephone, videoconferencing, or fax.

After installation, your application engineer will support you with

start-up information and fine-tuning as needed.

Each application is reviewed by our engineering team to

ensure quality performance of our products.

Equilibar, LLC

320 Rutledge Rd.

Fletcher, North Carolina 28732

United States

Tel: +1-828-650-6590

Fax: +1-801-504-4439

Monday - Friday

8:00 AM - 5:00 PM EST

12:00 - 21:00 GMT

inquiry@

Our engineers offer custom designed solutions for the most

difficult pressure control challenges. Feel free to contact us

to discuss your situation.

Made in the

USA

Equilibar¡¯s quality system is

ISO 9001:2015 certified.

?Equilibar July 2023 R4

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