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AGRICULTURE |    Poly series

AGRICULTURE
Poly series

Pumps with diaphragms/pistons, built to beat the more and more aggressive plant protection products, negative PH weed–killing products, liquid fertilizers able to corrode even the steel.

Bertolini launches new Desmopan Diaphragm

Poly 2073

15 Bar | 75 L/Min

Poly 2085

15 Bar | 85 L/Min

Poly 2105

15 Bar | 106 L/Min

Poly 2120

15 Bar | 126 L/Min

Poly 2150

15 Bar | 150 L/Min

Poly 2180

15 Bar | 170 L/Min

Poly 2210

15 Bar | 210 L/Min

Poly 2240

15 Bar | 249 L/Min

Poly 2260

15 Bar | 260 L/Min

Poly 2300

15 Bar | 300 L/Min

Poly 2400

15 Bar | 400 L/Min

Sound Reasons   |   Poly series




Double body head in polypropylene incorporating a die-cast aluminium core.

Diaphragm washer and diaphragm bolts made up of 316 stainless steel (exclusive); precalibrated and pre-charged for an easy installation. Abrasion and corrosion proof.

Pre-deformed diaphragm available in 4 different materials: Buna-Nbr, Desmopan, Viton and exclusive Bertolini HPS®

Die-cast crankcase incorporating a new cooling system.

New conrods in special bronze alloy.

Less crankshaft stroke and so less stress for longer diaphragm life.

New check valve design: spheric section-shaped, made up of AISI 316 stainless steel, delivering high volumetric ef?ciencies.

Special " Dracomet" ® treatment on head bolts and mounting rails to ensure wide mechanical and chemical resistance; no maintenance.

Exclusive technology of the piston pro?le to reduce friction on the diaphragm.