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Series STFLO Stainless Steel Flowmeters

Specifications - Installation and Operating Instructions

Bulletin F-41-STFLO

Series STFLO Stainless Steel Flowmeters are ideal for dirty or

opaque fluids, high temperature and high pressure service and harsh

environments, specifically steam applications.The direct reading scale

provides ±2% accuracy. Flowmeters can quickly be disassembled

without removing the body from the pipeline for easy cleaning.

SAFETY PRECAUTIONS

Personnel safety should be considered before pressurizing and

operating the system. There are numerous possibilities for

error in system operation and maintenance as well as

component installation. Because human eyes must necessarily

come into close proximity with the flowmeter to read it, Dwyer

Instruments, Inc. recommends that safety shielding such as a

sheet of transparent, high impact material be used in front of

the meter. If hazardous, toxic, or flammable fluids are being

metered, recommended safeguard should include methods to

protect personnel from splash or rebound. A method of quick,

safe removal of dangerous fluids should also be included.

INSTALLATION

PREPARATION: Series STFLO Stainless Steel Flowmeters are ready to

install as-is, although the reading scales may need repositioning so the

scale is visible after installation. First, remove the protective caps from

the connection ports. Also, remove the plastic tubing above the inlet cap

in the meter core tube! This tubing blocks the float assembly in place

during shipment. Check that the float moves freely within the core tube,

and that no packing materials are in the meter.

DWYER INSTRUMENTS, INC.

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

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com

SPECIFICATIONS

Service: Compatible with liquids and gases.

Wetted Material: T316 SS, Alnico magnet, PTFE.

Temperature Limits: See chart on page 7.

Pressure Limits: See chart on page 7.

Accuracy: ±2% FS.

Repeatability: ±0.5% of indicated flow rate.

Process Connections: 3/4˝ or 1-1/2˝ female NPT, optional flange

connections.

Scale Length: 3/4˝ models: 3.2˝ (8 cm); 1-1/2˝ models: 5.2˝ (13 cm).

Weight: 3/4˝ NPT models: 5.75 lb (2.6 kg); 1-1/2˝ NPT models: 14 lb (6.4

kg). 3/4˝ Flange: 9.75 lb (4.4 kg); 1-1/2˝ Flange: 22 lb (10 kg).

4-1/32

[102.25]

2-11/16

[68.07]

10-21/32

[270.78]

LABEL, SEE

DETAIL 1

3/4 NPT CONNECTION

-13/16

[

71.37]

LABEL

SEE

DETAIL 2

2-3/4

[69.95]

Ø1-11/32

[34.29]

3/4 NPT

5-21/32

[

397.28]

LABEL SEE

DETAIL 1

LABEL, SEE

DETAIL 2

OUT

-1/2

[

114.38]

3-23/32

[94.23]

-11/16

[

144.65]

-1/2 NPT

Ø2-15/32

[62.99]

Ø4

[101.85]

1-1/2 NPT CONNECTION

[76.20]

LABEL, SEE

DETAIL 1

ABEL, SEE

DETAIL 2

[127.00]

4-31/32

[125.98]

[127.00]

-13/16

[

172.97]

-1/2

[

88.91]

Ø3-7/8

[Ø98.55]

Ø2-3/4

[Ø69.85]

2-1/8

[53.59]

[76.20]

4-1/2

[114.30]

LABLE, SEE

DETAIL 1

LABEL, SEE

DETAIL 2

3-11/16

[93.73]

3-9/16

[90.43]

3-7/8

[98.55]

3/4 FLANGE CONNECTION

1-1/2 FLANGE CONNECTION

1 2 3 4 5 6

DWYER INSTRUMENTS, INC 1

Inhaltsverzeichnis

Seite 1 - DWYER INSTRUMENTS, INC

Series STFLO Stainless Steel FlowmetersSpecifications - Installation and Operating InstructionsBulletin F-41-STFLOSeries STFLO Stainless Steel Flo

Seite 2

RECOMMENDED PIPINGSeries STFLO Stainless Steel Flowmeters generally have no specialstraight run or other piping requirements. Inlet piping sho

Seite 3

MAXIMUM FLOWS (WITHOUT EFFECTING ACCURACY)FOR UNDERSIZED PIPES CONNECTED DIRECTLY TOFLOWMETER INLETSPIPE NPS1/43/81/23/411-1/41-1/222-1/23DATA(ID)20.1

Seite 4

1. Remove the reading scale by removing the two set screws in the blackrings attaching the reading scale to the sight tube. Lift the reading scale upa

Seite 5

5. Using hands only, press the sight tube firmly down into the meter bodywith a twisting motion. Be careful not to rock the sight tube side to side an

Seite 6

DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.comP.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwye

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Dwyer STFLO Bedienungsanleitung

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Inhaltsverzeichnis

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