GEMO QBY3 Third-Generation Pneumatic Diaphragm Pump

QBY3 third-generation AODD with low noise and long service life.

Max flow

1041 L/min

Max pressure

8.4 bar

Turndown / accuracy

—

Wetted materials

—

Protection

—

Power

—

Inquire Now Download datasheetxiongxiaoyang55@gmail.com

Best for: verifying flow/pressure and control interfaces against your dosing duty (Metering Pump). Confirm chemical compatibility and install constraints before ordering — inquire for help.

Features

Third-generation air-operated diaphragm technology
Flow 22–1041 L/min
Low noise, low vibration
Strong self-priming
Wide range of materials and port sizes

Specifications

Series	QBY3
Drive	pneumatic
Max flow	1041 L/min
Max head	84 m
Max outlet pressure	8.4 bar
Brand	GEMO

Applications

Chemical

Environmental protection

Oilfield

Pharmaceutical

Food

Metallurgy

Papermaking

Power generation

Textile dyeing

Materials & media

Ask for wetted-parts details or check the brochure.

Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.

Controls & communication

Control options are listed in notes or confirmed on inquiry.

Models & specs

Model	Flow	Pressure	Notes
QBY3-10/15	22 L/min	7 bar	head 70 m; suction lift 4 m; air inlet 1/4"; particles ≤1.5 mm
QBY3-20/25	57 L/min	7 bar	head 70 m; suction lift 4.5 m; air inlet 1/4"; particles ≤2.5 mm
QBY3-32/40	170 L/min	8.4 bar	head 84 m; suction lift 5.48 m; air inlet 1/2"; particles ≤3.2 mm
QBY3-50/65	378.5 L/min	8.4 bar	head 84 m; suction lift 5.48 m; air inlet 1/2"; particles ≤4.8 mm
QBY3-80/100	568 L/min	8.4 bar	head 84 m; suction lift 5.48 m; air inlet 1/2"; particles ≤6.4 mm
QBY3-125	1041 L/min	8.4 bar	head 84 m; suction lift 2.4–7.6 m; air inlet 3/4"; particles ≤9.4 mm