CASTLE WFS-25-S User manual

WFS SERIES
FLOW CONTROLLERS
C RSTLE@
Mm 20 25 32 38 51 63 76 102 127 152
Pipe Size Inches 3/4 1 1-1/4 1-1/2 2 2-1/2 345.- 6
USGPM 5.50 6.00 9.80 12.70 18.80 24.30 30.00 39.70 .58.70 79.20
Flow LPM 21 23 37 48 71 92 113 150 222 300
Increase
Minimum m
3
/h 1.11 1.36 2.22 2.89 4.27 5.51 6.82 9.02 13.33 17.99
Adjustment
(Factory Set) USGPM 2.90 3.60 5.60 7.00 9.40 11.60 12.00 19.80 29.30 39.60
I
Flow LPM 10 13.62 21 26 35 44 45 75 110 150
Decrease m
3
/h 0.66 0.82 1.27 1.59 2.13 2.63 2.72 4.49 6.65 8.99
USGPM 8.80 10.20 16.80 23.00 32.80 42.40 52.10 73.50 115.00 166.00
Flow LPM 33 38 63 87 124 160 197 278 435 628
Increase
Minimum m
3
/h 2.12 2.32 3.80 5.22 7.45 9.63 11.83 16:69 26.12 37.70
Adjustment USGPM 8.50 9.20 15.00 19.50 24.00 37.50 46.10 64.20 92.00 123.00
Flow LPM 32 35 56 74 91 142 174 243 348 465
Decrease
m
3
/h 1.82 2.09 3.41 4.43 5.45 8.51 10.47 14.58 20.89 27.94
I
Flow Rates, m
3
th, US GPM & LPM
* Use or trim standard paddle size.
Operating Instructions
Setting Adjustment.
1. Remove flow controller cover.
2. For higher flow rate, turn range adjusting
screw clockwise.
3. For lower flow rate, turn range adjusting
screw counter-clockwise.
4. Be sure that flow controller cover is
replaced before leaving jobsite.
FLOW INCREASE
FLOW OECREASE
!
COM
NO NC
\0
COM
RANGE
ADJUSTING
SCREW
RANGE
ADJUSTING
SCREW
Wiring Diagram
79
50
FLOW SWITCH
- FLOW
DIMENSION AMMUST BE AT LEAST 5 PIPE
DIAMETERS FROM NEAREST ELBOW,
VALVE OR OTHER PIPE RESTRICTION
FI.OW
---' -
FLOW
Typical Installation
P5
Dimensions in mm

C:r ISTLE@
WFS SERIES
FLOW CONTROLLERS
GENERAL PURPOSE FLOW CONTROLLERS
General,
The paddle type WFS series flow controllers are
specifically designed for use on liquid lines such
as water, ethylene glycol or any other fluid
which is not harmful to brass or phosper bronze
and which is not classified as a hazardous fluid.
Cover
~~~~~~ Micro 81 W
When a WFS series flow controller is used as an
operating control device and where an operating
control device failure would result in personal
injury and/or loss of property, it is the
responsibility of the user to add safety devices
that protect against control device failure.
Adjusting Screw
IU J'~~~~f Seesaw Plate,
Ik Bellows
Balance Spring
1 Connection
Mounting.
The flow controller can be mounted in a
horizontal or vertical pipeline but must be
located in a section of pipe where there is a
straight run of atleast 5 pipe diameters on each
side of the switch.
SPECIFICATIONS
Model Number WFS-25-S
Pipe Connection 1 male NPT
Materials Brass I Stainless Steel 304
Phosphor Bronze
Mild Steel
Palstic
Maximum Operating Pressure 10 bar ( 140 Psi)
Liquid Temperature 1 to 100° C
Setpoint Adjustment Screw under cover.
Ambient Temperature Limits
o to 60°C
Flow rates See chart overleaf. Flow Rates m
3
/h, US GPM LPM
Bellow life 5.00,000 cycles
Switch Action SPOT, Snap-acting.
Electrical Ratings Upto 250VAC, 15(7.5) A, 50/60 Hz
Wire Connections Screw-down Terminals
Paddles Supplied in 5-piece package in sizes of 1 ,2 ,3 ,5 and 6
Enclosure Protection Class I.P 55
Conduit Opening 22 mm diameter hole for
% Conduit.
Dimensions See overleaf. Dimension in mm. '
Shipping Weight O.6/kgs
The specifications above are normal and confirm to generally acceptable industry standards.
Castle is not responsible for damages resulting from misapplication or misuse of it's products.