PDF Published April 28, 2009

Ball Float
Valves Your Pipeline To Quality

The Chemline BF Series Ball Float Valve is a

cost effective level control device for water Polypropylene
or non-hazardous liquids. The valve may be SERIES: BF
mounted through a hole in the tank wall
SIZES: 1/2" – 1-1/2"
and anchored with the lock nut provided.
ENDS: Threaded

For Tank Level Control

Will not Corrode

Features
All Plastic Construction
● Body components and ball are all plastic
construction
● Plastic-coated metal arm for strength and

chemical resistance

Easily Maintainable
● Body unscrews from center to expose all internal
parts
● Components are all replaceable

Adjustable Float Arm

● No tools needed to adjust the ball
● 5 positions for more accurate level adjustment
● Resolves air gap between liquid level and inlet

Different Bores Available

● Allows for choice in flow rates

Designed for Safety

● Internal plunger seat eliminates fluid escaping
from top or rear of arm/pivot
● Threaded outlet into tank for use with standpipe

04/09 ©Chemline Plastics Limited 2009

Chemline is a registered trade mark of Chemline Plastics Limited
 BFB Series Ball Float Valves
PARTS ▲ Recommended Spare Parts
H
No. Part Pcs. Materials
G
D
1 Float/Arm 1 Polypropylene
7 6 5 3
B K FULLY CLOSED 2 Screw 1 Polypropylene
3 Body Part "A" 1 Polypropylene
INLET F 4 Body Part "B" 1 Polypropylene
E 5 Plunger 1 Polypropylene
2 1
C 6▲ Disc* 1 Polyethylene
8 4 J 7▲ Seat 1 Polypropylene
8 Lock Nut 1 Polypropylene
OUTLET
9 Delivery Tube† 1 Polypropylene
9 B *1", 1-1/2" has PE disc; 1/2" has PP diaphragm
† 3-1/2" long delivery tube is supplied on 1/2" valve
outlet only.
TEMPERATURE RANGE
1/2": – 20 to 70ºC (–4 to 158ºF)
DIAMETER A
1", 1-1/2": – 20 to 50ºC (–4 to 122ºF)
DIMENSIONS INCHES
Port H
Size Type A B C D E F G 1 2 3 4 5 J
1/2" Standard 5.0 7.0 3/8" BSP 1.25 1/2" BSP 0.25 2.50 15.75 15.55 15.16 14.37 13.58 0.50
1/2" High Flow 5.0 7.0 3/8" BSP 1.25 1/2" BSP 0.37 2.50 15.55 15.16 14.37 13.78 12.60 0.50
1" Standard 7.0 14.5 1" BSP 2.25 1" BSP 0.56 4.37 27.36 26.97 25.59 24.02 21.65 0.75
1" High Flow 7.0 14.5 1" BSP 2.25 1" BSP 0.81 4.37 27.36 26.77 25.59 23.82 21.46 0.75
1-1/2" Standard 9.0 15.0 1-1/4" BSP 2.37 1-1/2" BSP 0.87 5.37 31.10 30.71 29.53 28.15 25.79 0.75
1-1/2" High Flow 9.0 15.0 1-1/4" BSP 2.37 1-1/2" BSP 1.25 5.37 31.10 30.51 29.33 27.56 25.39 0.75

DIMENSIONS INCHES
K Closed M Open
Size Type 1 2 3 4 5 1 2 3 4 5 P R
1/2" Standard 2.36 3.62 5.12 6.89 8.07 8.27 9.65 10.83 12.20 12.99 1.00 1.00
1/2" High Flow 3.15 5.12 6.38 7.48 8.98 8.27 9.65 10.83 12.20 12.99 1.00 1.00
1" Standard 5.12 7.87 10.63 13.39 15.75 18.50 20.87 22.83 24.21 25.39 2.01 2.01
1" High Flow 5.51 8.46 11.42 13.78 16.14 18.50 20.87 22.83 24.21 25.39 2.01 2.01
1-1/2" Standard 5.12 6.69 10.04 12.80 15.75 21.10 23.03 25.39 27.17 29.53 2.37 2.46
1-1/2" High Flow 5.51 8.27 12.01 14.76 16.73 21.10 23.03 25.39 27.17 29.53 2.37 2.46

WORKING FLOW RATES

PRESSURES USGPM WATER Cv VALUES
PSI (Water vs. Line Pressure – PSI USGPM at
Size Type Level at "K") 10 30 50 85 100 150 1 psi P
1/2" Standard 150 2.9 5.0 6.5 8.4 9.1 11.2 0.9
1/2" High Flow 85 6.5 11.3 14.5 19.0 – – 2.0
1" Standard 100 14.1 24.5 31.5 41.2 45.0 – 4.5
1" High Flow 50 29.5 51.1 65.9 – – – 9.3
1-1/2" Standard 100 22.5 39.0 50.0 65.5 71.0 – 7.0
1-1/2" High Flow 50 46.4 80.4 103.8 – – – 14.6

ORDERING EXAMPLE
Chemline Ball Float Valve BF B 005 -HF
Body Material B – PP
Size 005 – 1/2" 015 – 1-1/2" 010 – 1"
Flow Blank – Standard Flow HF – High Flow
Example: Chemline BF Sereis Ball Float Valve, PP, 1/2", high flow.

Authorized Distributor:
Aetna Plastics Corp. 9075 Bank Street, Valley View, OH 44125 ▪ Tel: 800-634-3074
216-781-4421 ▪ Fax: 216-524-2280 ▪ sales@aetnaplastics.com ▪ www.aetnaplastics.com