BFY-CL

BFY-CL
• Easy installation
• Available in carbon and
stainless steel
• Diagnostics through the FY
family positioner
• Applications diversity
Introduction
BFY-CL is a coupling device for the FY family of Smar positioners,
designed for applications in several different models of final
control elements.
BFY-CL attends to the needs of modulating controls for processes
requiring strokes longer than 100 mm in the final control
element.
The operation principle of BFY-CL is based on the oblique split
rule, reducing a original long stroke to a short one, orthogonal to
the original travel.
The BFY applications are many. From the modulation in control
cylinders of long stroke to acting as floodgates of high capacity.
The BFY-CL is used with the FY301 / FY302 / FY303 / FY400 Smar
positioners – presented in HART®/4-20 mA, Foundation fieldbus™
and Profibus PA communication protocol versions.
• Easy installation;
• Available in carbon and stainless steel;
• Diagnostics through the FY family positioner;
• Applications diversity.
Technical Specifications
• For use in ISO6431 serie cylinders.
• 63 mm to 160 mm cylinders diameters.
• 100 mm to 1000 mm cylinder and ruler strokes.
• Carbon and stainless steel materials.
Note: The cylinder and the positioner are not included in BFY-CL.
BFY-CL Weight
Total Weight (grams)
Stroke (mm)
Carbon Steel
Stainless Steel
100
2.230
4.030
125
2.270
4.070
160
2.350
4.150
200
2.410
4.210
250
2.530
4.330
320
2.650
4.450
400
2.840
4.640
500
2.890
4.690
630
3.210
5.010
800
3.430
5.230
1000
3.760
5.560
2
Dimensions
3
Ordering Code
BFY-CL
COD. STROKE
1
2
3
4
5
6
7
8
9
A
B
Z
00 mm
1
125 mm
160 mm
200 mm
250 mm
320 mm
400mm
500mm
630mm
800mm
1000mm
Special – See Notes
COD. MATERIAL
C
I
Carbon Steel SAE 1020
Stainless Steel 316
COD. CYLINDER DIAMETER
1 63mm
2 80mm
3 100mm
4 125mm
5 160mm
BFY-CL
2
I
1
smar
www.smar.com
Specifications and information are subject to change without notice.
Up-to-date address information is available on our website.
web: www.smar.com/contactus.asp
B F Y C L C E
© Copyright 2007 - Smar International - all rights reserved. - February/2009
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