DULCO®flex DF4a Peristaltic Pump for Flocculant Metering

The DULCO®flex DF4a peristaltic pump has been specifically developed for flocculant metering applications. It is used wherever flocculants needs to be added constantly and accurately to treated water. Typical applications include swimming pools and whirlpools.

Advantages

Sign-based user prompting and programming with four buttons for easy and convenient operation
Safe operation by entering the reproducible throughput quantity and concentration
Straightforward installation ensures flexible retrofit – also in existing installations
Efficient operation, e.g. by reducing feed rates at night
Hose change made easy by servicingfriendly design
Proportional adaptation of metering rate via current and voltage input

Features

Silent-running speed-variable stepper motor with drive shaft mounted in ball bearings
No mechanical gears means long service life
100 % duty factor
Operating pressure up to 4 bar possible
Infinitely variable adjustment of metering rate from 1 to 100 %
Reproducible metering rates of 1.5, 6.0 and 12.0 l/h are shown on the display
Operating and hose hours counter
Intake function (continuous operation)
Level input (1-stage or 2-stage contact)
Hose break monitoring with alarm relay
Switchable output rate change, e.g. night reduction or increased output

Main applications

For metering flocculants in:

Swimming pools
Whirlpools

	Feedrate		Speed	Pump hose	Hose connection	Suction lift	Intake head
Pump type DULCO®flex DF4a	bar	l/h	rpm	o.D. × i.D.	o.D. × i.D.	mWS	mWS
04015	4,0	1,5	0-85	1,6 x 4,8	6x4 / 10x4	4	3
03060	2,5	6,0	0-85	3,2 x 6,4	6x4 / 10x4	4	3
02120	2,0	12,0	0-85	4,8 x 8,0	6x4 / 10x4	4	3