Dwyer SFI-700 User Manual download pdf

NOTE: Read safety precautions on back before installing

or operating!

INSTALLATION

1. Use proper sealing compound on the fitting threads.

2. Check the flow direction arrow on hex to make sure the

sight flow indicator is aligned properly.

3. Attach sight flow indicator to the correct size fittings.

4. Hold the sight flow indicator in place with the correct

size wrench by the hex adjacent to the fitting.

5. Avoid over tightening the fittings or placing stress on

the sight flow indicator.

6. Attach the other side of the sight flow indicator

repeating steps 1-5 above making sure a torque load is

NOT applied across the unit.

OPERATION

1. Gradually introduce the medium into the sight flow

indicator. Avoid any pressure surges.

2. The rotation of the impeller indicates flow. See table

right for minimum flow surges.

2. The rotation of the impeller indicated flow. See table

right for minimum flow values.

3. By rotating the glass axially, the wipers will clean the

inner surface of the glass. Care should be taken while

medium is flowing.

Bulletin F-53

Specifications - Installation and Operating Instructions

Series 700 Sight Flow Indicators

W.E. ANDERSON DIV., DWYER INSTRUMENTS, INC.

P.O. BOX 358 • MICHIGAN CITY, INDIANA 46361 U.S.A.

Phone: 219/879-8000 www.dwyer-inst.com

Fax: 219/872-9057 e-mail: [email protected]

SPECIFICATIONS

Wetted Materials:

Body: Model 700; nickel plated brass.

Model 700 SS; 316 Stainless.

Window: Tempered boroslicate glass.

O-ring: Florelastomer.

Wiper: Florelastomer.

Spindle: 416 Stainless Steel.

Impeller: Acetal plastic.

Temperature Limit: 212ºF (100ºC).

Pressure Limit: 230 psig (1585.8 kPa).

Weight: 1 to 5 lb. (.45 to 2.3 kg) Depending on model.

Options: BSPP or BSPT metric thread forms, less

impeller, bidirectional flow models.

Minimum Flows for Impeller

Rotation (nominal)

Size Water Air

Inches GPM (LPM) SCFM (LPM)

1/4 0.10 (0.38) 1.1 (31.2)

3/8 0.10 (0.38) 1.1 (31.2)

1/2 0.25 (0.95) 2.0 (56.6)

3/4 0.30 (1.14) 2.0 (56.6)

1 0.50 (1.89) 4.0 (113.3)

1-1/4 0.80 (3.03) 5.0 (141.6)

1-1/2 1.0 (3.79) 5.0 (141.6)

Sizes Dim “L” Dim “H”

Inches Inches (mm) Inches (mm)

1/4 & 3/8 2-3/4 (70) 1-1/2 (38)

1/2 & 3/4 3-11/16 (94) 2-1/4 (57)

1, 1-1/4 4-7/8 (124) 2-3/4 (70)

& 1-1/2

F-53:F-53 1/29/10 10:04 AM Page 1

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Summary of Contents

Page 1

NOTE: Read safety precautions on back before installingor operating!INSTALLATION1. Use proper sealing compound on the fitting threads.2. Check the f

Page 2

You have purchased a quality Sight Flow Indicator. Please protect your safety and that of others by observingthe following safety instructions when in

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Dwyer SFI-700 User Manual

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