Emerson FISHER T208 Series Manuale di installazione - Pagina 4

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T208 Series

Table 1. Body Sizes, End Connection Styles and Maximum Allowable Inlet (Casing) Pressures

BODY SIZE

In.

20 or 25

3/4 or 1

CF8M/CF3M Stainless steel

1. All flanges are welded. Weld-on flange dimension is 356 mm / 14 inches face-to-face.

2. Pipe nipples and flanges are 316 Stainless steel for flanged body assemblies.

CONTROL PRESSURE RANGE

mbar

In. w.c.

5 to 17

2 to 7

(1)(2)

7 to 32

3 to 13

(1)(2)

25 to 65

10 to 26

62 to 172

0.9 to 2.5 psig

90 to 310

1.3 to 4.5 psig

0.26 to 0.48 bar

3.8 to 7 psig

1. To achieve the published control pressure range, the spring case must be installed pointing down.

2. Do not use Fluorocarbon (FKM) diaphragm with this spring at diaphragm temperatures lower than 16°C / 60°F.

TRIM OPTION

CODE

Standard

Fluorinated Ethylene Propylene (FEP)

FDA

(1)

1. EPDM option available with FDA/USP Class VI approved/ADI-free elastomers (wetted components only).

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Fisher.com

Emerson Automation Solutions

Americas

McKinney, Texas 75070 USA

T +1 800 558 5853

+1 972 548 3574

Europe

Bologna 40013, Italy

T +39 051 419 0611

For further information on the current

PED revision see Bulletin: D103053X012

or scan the QR code.

END CONNECTION

BODY MATERIAL

Gray cast iron

WCC Carbon steel

NPT, CL150 RF, CL300 RF or

LCC Carbon steel

(2)

Table 2. Control Pressure Ranges and Spring Information

SPRING PART NUM-

BER

1B653827052

1B653927022

1B537027052

1B537127022

1B537227022

1B537327052

Table 3. Operating Temperature Ranges for Available Trim Combination

DIAPHRAGM MATERIAL

Nitrile (NBR)

Fluorocarbon (FKM)

EPDM

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Asia Pacific

Singapore 128461, Singapore

T +65 6777 8211

Middle East and Africa

Dubai, United Arab Emirates

T +971 4 811 8100

STYLES

(1)

NPT

PN 16/25/40 RF

SPRING WIRE DIAMETER

SPRING COLOR

Red

2.2

Unpainted

2.7

Yellow

2.9

Green

4.0

Light blue

4.8

Black

5.5

DISK AND O-RING MATERIAL

Nitrile (NBR)

Fluorocarbon (FKM)

Nitrile (NBR)

Fluorocarbon (FKM)

Perfluoroelastomer (FFKM)

Ethylene Propylene Diene (EPDM)

EPDM

MAXIMUM ALLOWABLE INLET (CASING) PRESSURE

bar

2.4

5.2

In.

0.085

0.105

0.114

0.156

0.187

0.218

OPERATING TEMPERATURE RANGES

-40 to 82°C / -40 to 180°F

4 to 149°C / 40 to 300°F

-29 to 82°C / -20 to 180°F

4 to 82°C / 40 to 180°F

-18 to 82°C / 0 to 180°F

-29 to 82°C / -20 to 180°F

-29 to 107°C / -20 to 225°F

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Electric Co. All other marks are the property of their prospective owners.

Fisher™ is a mark owned by Fisher Controls International LLC, a

business of Emerson Automation Solutions.

The contents of this publication are presented for informational

purposes only, and while every effort has been made to ensure their

accuracy, they are not to be construed as warranties or guarantees,

express or implied, regarding the products or services described herein

or their use or applicability. All sales are governed by our terms and

conditions, which are available upon request. We reserve the right to

modify or improve the designs or specifications of such products at any

time without notice.

Emerson Process Management Regulator Technologies, Inc does not

assume responsibility for the selection, use or maintenance of any

product. Responsibility for proper selection, use and maintenance of any

Emerson Process Management Regulator Technologies, Inc. product

remains solely with the purchaser.

psig

SPRING FREE LENGTH

In.

92.2

3.63

95.3

3.75

109

4.31

103

4.06

100

3.94

101

3.98